”. MDN, 2 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/main. Web. 9 Feb 2022. ## Slide 268 WHATWG. “4.4.14 The main element”. HTML Living Standard, 3 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-main-element. Web. 9 Feb 2022. MDN contributors. “

”. MDN, 2 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/main. Web. 9 Feb 2022. ## Slide 269 WHATWG. “4.4.14 The main element”. HTML Living Standard, 3 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-main-element. Web. 9 Feb 2022. MDN contributors. “

”. MDN, 2 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/main. Web. 9 Feb 2022. ## Slide 271 MDN contributors. “

”. MDN, 2 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/main.html. Web. 9 Feb 2022. Deveria, Alexis [@Fyrd]. “HTML5 semantic elements”. Can I use…, https://caniuse.com/html5semantic. Web. 9 Feb 2022. ## Slide 276 WHATWG. “3.2.6 Global attributes”. HTML Living Standard, 19 Mar 2023, https://html.spec.whatwg.org/multipage/dom.html#global-attributes. Web. 19 Mar 2023. MDN contributors. “Global attributes”. MDN Web Docs, 1 July 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes. Web. 8 July 2022. MDN contributors. “Using ARIA: Roles, states, and properties”. MDN Web Docs, 17 May 2022, https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Techniques. Web. 8 July 2022. In April 2021, there were 27 global attributes & 63 JavaScript event handlers; as of March 2023, there were 24 global attributes & 70 JavaScript event handlers ## Slide 278 WHATWG. “3.2.6 Global attributes”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/dom.html#classes. Web. 8 July 2022. MDN contributors. “class”. MDN Web Docs, 17 May 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/class. Web. 8 July 2022. ## Slide 279 WHATWG. “3.2.6.1 The title attribute”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/dom.html#the-title-attribute. Web. 8 July 2022. MDN contributors. “title”. MDN Web Docs, 27 Apr 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/title. Web. 8 July 2022. ## Slide 280 WebSanity. “HTML global attribute: title”. CodePen, 19 June 2020, https://codepen.io/websanity/pen/dypzrw?editors=1000. Web. 6 July 2022. ## Slide 281 WHATWG. “3.2.6.1 The title attribute”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/dom.html#the-title-attribute. Web. 8 July 2022. MDN contributors. “title”. MDN Web Docs, 27 Apr 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/title. Web. 8 July 2022. ## Slide 282 WHATWG. “3.2.6.1 The title attribute”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/dom.html#the-title-attribute. Web. 8 July 2022. MDN contributors. “title”. MDN Web Docs, 27 Apr 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/title. Web. 8 July 2022. ## Slide 286 WHATWG. “4.4.5 The ol element”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/grouping-content.html#the-ol-element. Web. 8 July 2022. ## Slide 287 WHATWG. “4.10.5 The input element”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/input.html#the-input-element. Web. 8 July 2022. ## Slide 289 WHATWG. “3.2.6.6 Embedding custom non-visible data with the data-* attributes”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/dom.html#attr-data-*. Web. 8 July 2022. MDN contributors. “data-*”. MDN Web Docs, 2 Oct 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/data-*. Web. 8 July 2022. ## Slide 291 A string is a “sequence of alphanumeric text or other symbols” Attribute values are always strings: https://html.spec.whatwg.org/#attributes ## Slide 293 WHATWG. “4.4.5 The ol element”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/grouping-content.html#the-ol-element. Web. 8 July 2022. ## Slide 295 WHATWG. “4.4.5 The ol element”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/grouping-content.html#the-ol-element. Web. 8 July 2022. ## Slide 297 WHATWG. “4.4.5 The ol element”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/grouping-content.html#the-ol-element. Web. 8 July 2022. WHATWG. “2.3.2 Boolean attributes”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/#boolean-attribute. Web. 8 July 2022. MDN contributors. “HTML attribute reference”. MDN Web Docs, 27 Apr 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes#boolean_attributes. Web. 8 July 2022. ## Slide 298 WebSanity. “HTML: Boolean attributes”. CodePen, 22 June 2020, https://codepen.io/websanity/pen/gOPggVr?editors=1000. Web. 8 July 2022. ## Slide 299 $ curl -s "https://html.spec.whatwg.org" | grep -C 3 "boolean\s*attribute" ## Slide 302 “There must never be two or more attributes on the same start tag whose names are an ASCII case-insensitive match for each other.” Source: WHATWG. “13.1.2.3 Attributes”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/syntax.html#attributes-2. Web. 8 July 2022. “duplicate-attribute: This error occurs if the parser encounters an attribute in a tag that already has an attribute with the same name. The parser ignores all such duplicate occurrences of the attribute.” Source: WHATWG. “13.2.2 Parse errors”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/parsing.html#parse-errors. Web. 8 July 2022. ## Slide 305 MDN contributors. “Semantics”. MDN Web Docs, 7 Oct 2021, https://developer.mozilla.org/en-US/docs/Glossary/Semantics. Web. 8 July 2022. WHATWG. “3.2.1 Semantics”. HTML Living Standard, 29 Mar. 2022, https://html.spec.whatwg.org/#semantics-2. Web. 8 July 2022. ## Slide 306 MDN contributors. “Semantics”. MDN Web Docs, 7 Oct 2021, https://developer.mozilla.org/en-US/docs/Glossary/Semantics. Web. 8 July 2022. WHATWG. “3.2.1 Semantics”. HTML Living Standard, 29 Mar. 2022, https://html.spec.whatwg.org/#semantics-2. Web. 8 July 2022. ## Slide 316 FIXME ## Slide 317 FIXME ## Slide 320 The appearance to a viewer would be the same, but the non-semantic code on the right has a different structure (only 1 object in the document tree, not 2 as on the left) AND a different meaning (it’s not 2 paragraphs, it’s 1) ## Slide 321 The appearance to a viewer would be the same, but the non-semantic code on the right has a different structure (only 1 object in the document tree, not 2 as on the left) AND a different meaning (it’s not 2 paragraphs, it’s 1) ## Slide 327 MDN contributors. “Semantics”. MDN Web Docs, 7 Oct 2021, https://developer.mozilla.org/en-US/docs/Glossary/Semantics. Web. 8 July 2022. WHATWG. “3.2.1 Semantics”. HTML Living Standard, 29 Mar. 2022, https://html.spec.whatwg.org/#semantics-2. Web. 8 July 2022. ## Slide 328 “HTML/New HTML5 Elements”. W3C Wiki, 18 Nov. 2011, https://www.w3.org/wiki/HTML/New_HTML5_Elements. Web. 4 Apr 2022. : Hickson, Ian et al. “4.4.15 The search element”. WHATWG. HTML Living Standard, 24 Oct 2023, https://html.spec.whatwg.org/multipage/grouping-content.html#the-search-element. Web. 25 Oct 2023. MDN contributors. “: The generic search element”. MDN Web Docs, 13 Sep 2023, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/search. Web. 25 Oct 2023. ## Slide 329 “In Finland planners are known to visit their parks immediately after the first snowfall, when the existing paths are not visible. People naturally choose desire lines, which are then clearly indicated by their footprints and can be used to guide the routing of paths.” Source: “3.3 Public Space: The Lost River Park”, found in Earls Court Project Application 1, Royal Borough of Kensington & Chelsea Cultural Strategy, June 2011, pg. 95. https://www.rbkc.gov.uk/idoxWAM/doc/Other-777167.pdf?extension=.pdf&id=777167&location=VOLUME2&contentType=application/pdf&pageCount=1. Joly, Gordon. “Two Desire Paths, Battersea Park.” Flickr, 23 Sept. 2006, https://www.flickr.com/photos/loopzilla/251134757/in/pool-desire_paths/. Web. 14 Sept. 2016. Licensed CC BY-SA 2.0: https://creativecommons.org/licenses/by-sa/2.0/. ## Slide 330 “In Finland planners are known to visit their parks immediately after the first snowfall, when the existing paths are not visible. People naturally choose desire lines, which are then clearly indicated by their footprints and can be used to guide the routing of paths.” Source: “3.3 Public Space: The Lost River Park”, found in Earls Court Project Application 1, Royal Borough of Kensington & Chelsea Cultural Strategy, June 2011, pg. 95. https://www.rbkc.gov.uk/idoxWAM/doc/Other-777167.pdf?extension=.pdf&id=777167&location=VOLUME2&contentType=application/pdf&pageCount=1. Joly, Gordon. “Two Desire Paths, Battersea Park.” Flickr, 23 Sept. 2006, https://www.flickr.com/photos/loopzilla/251134757/in/pool-desire_paths/. Web. 14 Sept. 2016. Licensed CC BY-SA 2.0: https://creativecommons.org/licenses/by-sa/2.0/. ## Slide 331 “In Finland planners are known to visit their parks immediately after the first snowfall, when the existing paths are not visible. People naturally choose desire lines, which are then clearly indicated by their footprints and can be used to guide the routing of paths.” Source: “3.3 Public Space: The Lost River Park”, found in Earls Court Project Application 1, Royal Borough of Kensington & Chelsea Cultural Strategy, June 2011, pg. 95. https://www.rbkc.gov.uk/idoxWAM/doc/Other-777167.pdf?extension=.pdf&id=777167&location=VOLUME2&contentType=application/pdf&pageCount=1. Joly, Gordon. “Two Desire Paths, Battersea Park.” Flickr, 23 Sept. 2006, https://www.flickr.com/photos/loopzilla/251134757/in/pool-desire_paths/. Web. 14 Sept. 2016. Licensed CC BY-SA 2.0: https://creativecommons.org/licenses/by-sa/2.0/. ## Slide 332 Granneman, Scott. “Gus walking on a path in the Badlands”. 30 June 2007. Licensed CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/. ## Slide 333 Granneman, Scott. “Gus walking on a path in the Badlands”. 30 June 2007. Licensed CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/. ## Slide 334 “Wildstone Media”. Internet Archive. Wildstone Media, 10 Aug. 2014, https://web.archive.org/web/20150629005858/https://wildstonemedia.com/. Web. 16 Apr. 2024. ## Slide 335 Looking through your code, the semantic elements on the right would be far easier to understand Structurally & visually, the semantic elements on the right are exactly like those on the left, but they have meaning that those on the left do not ## Slide 338 FIXME:

should have

inside it ## Slide 339 WHATWG. “4.3.10 The address element”. HTML Living Standard, 3 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-address-element. Web. 9 Feb 2022. MDN contributors. “

: The Contact Address element”. MDN, 21 Jan. 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/address. Web. 9 Feb 2022. ## Slide 340 Boston Consulting Group. “Careers Blog”. Boston Consulting Group, 16 Feb 2023, https://careers.bcg.com/blog. Web. 19 Feb 2023. ## Slide 342 WebSanity. “HTML: address element”. CodePen, 24 July 2020, https://codepen.io/websanity/pen/jOWJZaj?editors=1000. Web. 24 July 2020. Lovecraft, H. P. “At the Mountains of Madness”. The H. P. Lovecraft Archive, 20 Aug. 2009, https://www.hplovecraft.com/writings/texts/fiction/mm.aspx. Web. 1 May 2014. ## Slide 343 WebSanity. “HTML: address element”. CodePen, 24 July 2020, https://codepen.io/websanity/pen/jOWJZaj?editors=1000. Web. 24 July 2020. Lovecraft, H. P. “At the Mountains of Madness”. The H. P. Lovecraft Archive, 20 Aug. 2009, https://www.hplovecraft.com/writings/texts/fiction/mm.aspx. Web. 1 May 2014. ## Slide 344 WebSanity. “HTML: address element”. CodePen, 24 July 2020, https://codepen.io/websanity/pen/jOWJZaj?editors=1000. Web. 24 July 2020. Lovecraft, H. P. “At the Mountains of Madness”. The H. P. Lovecraft Archive, 20 Aug. 2009, https://www.hplovecraft.com/writings/texts/fiction/mm.aspx. Web. 1 May 2014. ## Slide 345 Emily’s Rule ## Slide 346 WebSanity. “HTML: address element may contain additional text”. CodePen, 1 May 2014, http://codepen.io/websanity/pen/djmCE. Web. 1 May 2014. Lovecraft, H. P. “The Case of Charles Dexter Ward”. The H. P. Lovecraft Archive, 20 Aug. 2009, https://www.hplovecraft.com/writings/texts/fiction/cdw.aspx. Web. 1 May 2014. ## Slide 350 WHATWG. “4.5.2 The em element”. HTML Living Standard, 3 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-em-element. Web. 9 Feb 2022. MDN contributors. “: The Emphasis element”. MDN Web Docs, 2 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/em. Web. 13 Feb 2022. ## Slide 351 WebSanity. “HTML: em element”. CodePen, 11 Sept. 2014, https://codepen.io/websanity/pen/GRqwWy?editors=1000. Web. 11 Sept. 2014. ## Slide 352 WHATWG. “4.5.20 The i element”. HTML Living Standard, 3 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-i-element. Web. 9 Feb 2022. MDN contributors. “: The Idiomatic Text element”. MDN Web Docs, 2 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/i. Web. 13 Feb 2022. ## Slide 353 WebSanity. “HTML: i element”. CodePen, 30 Nov 2022, https://codepen.io/websanity/pen/oNLQzY?editors=1000. Web. 30 Nov 2022. ## Slide 354 WHATWG. “4.5.3 The strong element”. HTML Living Standard, 3 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-strong-element. Web. 9 Feb 2022. MDN contributors. “: The Strong Importance element”. MDN Web Docs, 2 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/strong. Web. 13 Feb 2022. ## Slide 355 WebSanity. “HTML: strong element”. CodePen, 27 Apr 2014, https://codepen.io/websanity/pen/VwjVpb?editors=1000. Web. 27 Apr 2014. ## Slide 356 WHATWG. “4.5.21 The b element”. HTML Living Standard, 3 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-b-element. Web. 9 Feb 2022. MDN contributors. “: The Bring Attention To element”. MDN Web Docs, 2 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/b. Web. 13 Feb 2022. ## Slide 357 WHATWG. “4.5.21 The b element”. HTML Living Standard, 3 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-b-element. Web. 9 Feb 2022. MDN contributors. “: The Bring Attention To element”. MDN Web Docs, 2 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/b. Web. 13 Feb 2022. ## Slide 358 WebSanity. “HTML: b element”. CodePen, 27 Apr. 2014, https://codepen.io/websanity/pen/KKMrNE?editors=1000. Web. 27 Apr. 2014. Why is that text bold? Because it’s more important? Because it should be strongly emphasized? Or because it looks nice bold? Lovecraft, H. P. “At the Mountains of Madness”. The H. P. Lovecraft Archive, 20 Aug. 2009, https://www.hplovecraft.com/writings/texts/fiction/mm.aspx. Web. 1 May 2014. Wikipedia contributors. “Heartbleed”. Wikipedia, The Free Encyclopedia, 8 Feb. 2022, https://en.wikipedia.org/w/index.php?title=Heartbleed&oldid=1070692249. Web. 9 Feb. 2022. ## Slide 360 WHATWG. “4.5.5 The s element”. MDN Web Docs, 11 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-s-element. Web. 13 Feb 2022. MDN contributors. “: The Strikethrough element”. MDN Web Docs, 12 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/s. Web. 13 Feb 2022. ## Slide 361 WebSanity. “HTML: s element”. CodePen, 13 July 2020, http://codepen.io/websanity/pen/xynaj. Web. 13 Feb 2022. ## Slide 362 WHATWG. “4.5.22 The u element”. HTML Living Standard, 3 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-u-element. Web. 9 Feb 2022. MDN contributors. “: The Unarticulated Annotation (Underline) element”. MDN Web Docs, 2 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/u. Web. 13 Feb 2022. ## Slide 363 WebSanity. “HTML: u element”. CodePen, 2 May 2014, https://codepen.io/websanity/pen/YzGrqo?editors=1000. Web. 2 May 2014. ## Slide 364 Schröter, Fritz. 1945–46, https://1.bp.blogspot.com/-lDHkH919w48/TavRb0BbjaI/AAAAAAAAA9k/tVqkSuW8698/s1600/POW2.jpg. Messenger, Robert. “Typewriter Book Written in US POW Camp”. oz.Typewriter: The Wonderful World of Typewriters, 18 Apr. 2011, https://oztypewriter.blogspot.com/2011/04/typewriter-book-written-in-us-pow-camp.html. Web. 11 Sept. 2014. Fair use. ## Slide 365 “The Selectric Typewriter”. *IBM*. IBM 100: Icons of Progress, 16 Mar 2011, https://web.archive.org/web/20191002202520/https://www.ibm.com/ibm/history/ibm100/us/en/icons/selectric/. Web. 7 Nov 2023. Fair use. Modified by converting to the WebP format. ## Slide 366 “The Selectric Typewriter”. *IBM*. IBM 100: Icons of Progress, 16 Mar 2011, https://web.archive.org/web/20191002202520/https://www.ibm.com/ibm/history/ibm100/us/en/icons/selectric/. Web. 7 Nov 2023. “Learn”. Type Balls, 2019, https://typeballs.com/learn/. Web. 7 Nov 2023. Fair use. Modified by converting to the WebP format. ## Slide 367 Gerhyrah’s Rule ## Slide 370 WHATWG. “4.5.4 The small element”. HTML Living Standard, 3 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-small-element. Web. 9 Feb 2022. MDN contributors. “: the side comment element”. MDN Web Docs, 2 Oct. 2021, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/small. Web. 13 Feb 2022. ## Slide 371 WebSanity. “HTML: small element”. CodePen, 30 Apr. 2014, https://codepen.io/websanity/pen/yLaJJZ?editors=100. Web. 30 Apr. 2014. ## Slide 372 WHATWG. “4.5.4 The small element”. HTML Living Standard, 3 Feb. 2022, http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-small-element. Web. 9 Feb 2022. ## Slide 373 WebSanity. “HTML: h2-h6 are not subheadings 2”. CodePen, 21 Oct. 2017, https://codepen.io/websanity/pen/eYzKqa?editors=1000. Web. 21 Oct. 2017. ## Slide 374 WebSanity. “HTML: h2-h6 are not subheadings 2”. CodePen, 21 Oct. 2017, https://codepen.io/websanity/pen/eYzKqa?editors=1000. Web. 21 Oct. 2017. ## Slide 375 WebSanity. “HTML: h2-h6 are not subheadings 2”. CodePen, 21 Oct. 2017, https://codepen.io/websanity/pen/eYzKqa?editors=1000. Web. 21 Oct. 2017. ## Slide 381 Wikipedia contributors. “Raster graphics”. Wikipedia, The Free Encyclopedia, 24 June 2022, https://en.wikipedia.org/wiki/Raster_graphics. Web. 8 Jul. 2022. ## Slide 382 Enfield, Susan. “How Many Photos Will be Taken in 2022?”. Mylio, 9 Mar 2022, https://news.mylio.com/how-many-photos-taken-in-2022/. Web. 21 Feb 2023. ## Slide 383 Tonchino. “File:Vector-based example.svg”. Wikipedia, 11 Jan. 2013, https://en.wikipedia.org/wiki/File:Vector-based_example.svg. Web. 4 Apr 2022. Note that this is a PNG version of the SVG file. ## Slide 384 Tonchino. “File:Vector-based example.svg”. Wikipedia, 11 Jan. 2013, https://en.wikipedia.org/wiki/File:Vector-based_example.svg. Web. 4 Apr 2022. Note that this is a PNG version of the SVG file. ## Slide 385 Tonchino. “File:Vector-based example.svg”. Wikipedia, 11 Jan. 2013, https://en.wikipedia.org/wiki/File:Vector-based_example.svg. Web. 4 Apr 2022. Note that this is a PNG version of the SVG file. ## Slide 386 Tonchino. “File:Vector-based example.svg”. Wikipedia, 11 Jan. 2013, https://en.wikipedia.org/wiki/File:Vector-based_example.svg. Web. 4 Apr 2022. Note that this is a PNG version of the SVG file. ## Slide 387 WebSanity. “Raster vs. Vector”. CodePen, 2 July 2022, https://codepen.io/websanity/pen/OJQdmdr?editors=1000. Web. 2 Jul 2022. ## Slide 388 WebSanity. “Raster vs. Vector”. CodePen, 2 July 2022, https://codepen.io/websanity/pen/OJQdmdr?editors=1000. Web. 2 Jul 2022. ## Slide 389 WebSanity. “Raster vs. Vector”. CodePen, 2 July 2022, https://codepen.io/websanity/pen/OJQdmdr?editors=1000. Web. 2 Jul 2022. ## Slide 391 Adobe Photoshop: https://www.adobe.com/products/photoshop.html Microsoft Paint: https://apps.microsoft.com/store/detail/paint/9PCFS5B6T72H?hl=en-us&gl=US “Paint.NET - Free Software for Digital Photo Editing”. Paint.NET, 19 Feb 2023, https://getpaint.net/. Web. 21 Feb 2023. Mueller, Gus. “Acorn 7 | Full Featured Photo Editor for the Mac”. Flying Meat, 2023, https://flyingmeat.com/acorn/. Web. 21 Feb 2023. “Pixelmator Pro”. Pixelmator, 21 Dec 2022, https://www.pixelmator.com/pro/. Web. 21 Feb 2023. “Affinity Photo – award-winning photo editing software”. Serif, https://affinity.serif.com/en-us/photo/. Web. 2 Mar 2022. ## Slide 393 Wikipedia contributors. “Vector graphics”. Wikipedia, The Free Encyclopedia, 26 June 2022, https://en.wikipedia.org/wiki/Vector_graphics. Web. 8 July 2022. ## Slide 395 WebSanity. “HTML - SVG example”. CodePen, 7 June 2015, http://codepen.io/websanity/pen/xGdLxJ?editors=100. Web. 4 Apr 2022. ## Slide 396 WebSanity. “SVG Yin Yang”. CodePen, 15 Jan. 2021, https://codepen.io/websanity/pen/poEqPNN?editors=1000. Web. 4 Apr 2022. ## Slide 397 WebSanity. “HSL Color Wheel: Tones”. CodePen, 23 July 2020, https://codepen.io/websanity/pen/QWNMRq?editors=1000. Web. 19 Feb 2022. ## Slide 398 WebSanity. “HSL Color Wheel: Tones”. CodePen, 23 July 2020, https://codepen.io/websanity/pen/QWNMRq?editors=1000. Web. 19 Feb 2022. ## Slide 399 WebSanity. “Raster vs. Vector”. CodePen, 2 July 2022, https://codepen.io/websanity/pen/OJQdmdr?editors=1000. Web. 2 Jul 2022. ## Slide 400 WebSanity. “Raster vs. Vector”. CodePen, 2 July 2022, https://codepen.io/websanity/pen/OJQdmdr?editors=1000. Web. 2 Jul 2022. ## Slide 401 WebSanity. “Raster vs. Vector”. CodePen, 2 July 2022, https://codepen.io/websanity/pen/OJQdmdr?editors=1000. Web. 2 Jul 2022. ## Slide 402 Tonchino. “File:Vector-based example.svg”. Wikipedia, 11 Jan. 2013, https://en.wikipedia.org/wiki/File:Vector-based_example.svg. Web. 4 Apr 2022. ## Slide 403 Tonchino. “File:Vector-based example.svg”. Wikipedia, 11 Jan. 2013, https://en.wikipedia.org/wiki/File:Vector-based_example.svg. Web. 4 Apr 2022. ## Slide 404 Tonchino. “File:Vector-based example.svg”. Wikipedia, 11 Jan. 2013, https://en.wikipedia.org/wiki/File:Vector-based_example.svg. Web. 4 Apr 2022. ## Slide 405 Tonchino. “File:Vector-based example.svg”. Wikipedia, 11 Jan. 2013, https://en.wikipedia.org/wiki/File:Vector-based_example.svg. Web. 4 Apr 2022. ## Slide 408 “Industry-leading vector graphics software | Adobe Illustrator”. Adobe, 20 Feb 2023, https://www.adobe.com/products/illustrator.html. Web. 23 Feb 2023. duarte.framos et al. “Draw Freely”. Inkscape, https://inkscape.org/. Web. 23 Feb 2023. “Graphic Design, Illustration and Technical Software”. CorelDRAW, https://www.coreldraw.com/en/. Web. 23 Feb 2023. “The Most Intuitive and Precise Illustration Software in the Galaxy”. Vectornator, https://www.vectornator.io/. Web. 23 Feb 2023. “Affinity Designer: award-winning graphic design software”. Serif, https://affinity.serif.com/en-us/designer/. Web. 23 Feb 2023. “Pixelmator Pro”. Pixelmator, 21 Dec 2022, https://www.pixelmator.com/pro/. Web. 21 Feb 2023. Foksa, Jarosław. “Boxy SVG Editor”. Boxy SVG, https://boxy-svg.com/. Web. 23 Feb 2023. ## Slide 409 WHATWG. “4.8.3 The img element”. HTML Living Standard, 4 Apr. 2022, https://html.spec.whatwg.org/multipage/embedded-content.html#the-img-element. Web. 3 Apr 2022. MDN contributors. “: The Image Embed element”. MDN Web Docs, 29 Mar. 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img. Web. 3 Apr 2022. ## Slide 411 If you are not using responsive design, & you do not specify a width & height (either using these attributes or in CSS), then your webpage will reflow the content as images load, which doesn’t look great & can be disconcerting for the user WHATWG. “4.8.3 The img element”. HTML Living Standard, 4 Apr. 2022, https://html.spec.whatwg.org/multipage/embedded-content.html#the-img-element. Web. 3 Apr 2022. MDN contributors. “: The Image Embed element”. MDN Web Docs, 29 Mar. 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img. Web. 3 Apr 2022. ## Slide 412 WHATWG. “4.8.4.4 Requirements for providing text to act as an alternative for images”. HTML Living Standard, 4 Apr. 2022, https://html.spec.whatwg.org/multipage/images.html#alt. Web. 4 Apr 2022. WHATWG. “4.8.3 The img element”. HTML Living Standard, 4 Apr. 2022, https://html.spec.whatwg.org/multipage/embedded-content.html#the-img-element. Web. 3 Apr 2022. MDN contributors. “: The Image Embed element”. MDN Web Docs, 29 Mar. 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img. Web. 3 Apr 2022. ## Slide 413 VJ Von Art. “white concrete building under blue sky during daytime”. Unsplash, 26 May 2021, https://unsplash.com/photos/BP1Ze0qcp-c. Web. 27 Feb 2022. Licensed from Unsplash: https://unsplash.com/license. ## Slide 414 I had a student put that in their code! VJ Von Art. “white concrete building under blue sky during daytime”. Unsplash, 26 May 2021, https://unsplash.com/photos/BP1Ze0qcp-c. Web. 27 Feb 2022. Licensed from Unsplash: https://unsplash.com/license. ## Slide 415 VJ Von Art. “white concrete building under blue sky during daytime”. Unsplash, 26 May 2021, https://unsplash.com/photos/BP1Ze0qcp-c. Web. 27 Feb 2022. Licensed from Unsplash: https://unsplash.com/license. ## Slide 430 WHATWG. “4.8.4.4 Requirements for providing text to act as an alternative for images”. HTML Living Standard, 4 Apr. 2022, https://html.spec.whatwg.org/multipage/images.html#alt. Web. 4 Apr 2022. WHATWG. “4.8.3 The img element”. HTML Living Standard, 4 Apr. 2022, https://html.spec.whatwg.org/multipage/embedded-content.html#the-img-element. Web. 3 Apr 2022. MDN contributors. “: The Image Embed element”. MDN Web Docs, 29 Mar. 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img. Web. 3 Apr 2022. ## Slide 431 WebSanity. “img element: Leave out value for alt”. CodePen, 27 Feb 2023, https://codepen.io/websanity/pen/LYJxYGW?editors=1100. Web. 27 Feb 2023. ## Slide 434 WebSanity. “HTML: img element”. CodePen, 30 Apr. 2014, https://codepen.io/websanity/pen/poEJqZ?editors=1000. Web. 4 Apr 2022. Often, but not always, goes inside an element that can hold embedded content, e.g.,
## Slide 435 WHATWG. “4.8.3 The img element”. HTML Living Standard, 4 Apr. 2022, https://html.spec.whatwg.org/multipage/embedded-content.html#the-img-element. Web. 3 Apr 2022. MDN contributors. “: The Image Embed element”. MDN Web Docs, 29 Mar. 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img. Web. 3 Apr 2022. ## Slide 437 WebSanity. “HTML: img with srcset attribute”. CodePen, 7 Dec. 2021, https://codepen.io/websanity/pen/gOGPNwa?editors=1000. Web. 7 Dec. 2021. ## Slide 440 srcset & sizes: Deveria, Alexis [@Fyrd]. “Srcset and sizes attributes”. Can I use…, 4 Apr 2022, https://caniuse.com/srcset. Web. 4 Apr 2022. GoogleChrome. “Feature: ”. Chrome Platform Status, 9 Nov. 2020, https://www.chromestatus.com/feature/4644337115725824. Web. 4 Apr 2022. ## Slide 444 Unsplash Team. “Beautiful Free Images & Pictures | Unsplash”. Unsplash, 29 June 2020, https://unsplash.com. Web. 29 June 2020. ## Slide 445 Potschien, Denis. “Unsplash.it: Use Placeholder Photos From Unsplash.com”. Jotform, 19 Aug 2020, https://www.jotform.com/blog/unsplash-it-use-placeholder-photos-from-unsplash-com-93599/. Web. 8 July 2022. ## Slide 446 Potschien, Denis. “Unsplash.it: Use Placeholder Photos From Unsplash.com”. Jotform, 19 Aug 2020, https://www.jotform.com/blog/unsplash-it-use-placeholder-photos-from-unsplash-com-93599/. Web. 8 July 2022. ## Slide 447 WebSanity. “HTML: Placeholder images with Unsplash”. CodePen, 5 July 2022, https://codepen.io/websanity/pen/ExEVEMo?editors=1000. Web. 5 Jul 2022. ## Slide 448 Heimlich, Russell. “Dynamic Dummy Image Generator”. Dynamic Dummy Image Generator, 19 Nov 2021, https://dummyimage.com. Web. 5 Jul 2022. ## Slide 449 Heimlich, Russell. “Dynamic Dummy Image Generator”. Dynamic Dummy Image Generator, 19 Nov 2021, https://dummyimage.com. Web. 5 Jul 2022. ## Slide 450 Wang, Phillip. This Person Does Not Exist, https://thispersondoesnotexist.com. Web. 17 Sept. 2020. ## Slide 451 Wang, Phillip. This Person Does Not Exist, https://thispersondoesnotexist.com. Web. 17 Sept. 2020. ## Slide 452 Wang, Phillip. This Person Does Not Exist, https://thispersondoesnotexist.com. Web. 17 Sept. 2020. ## Slide 453 Wang, Phillip. This Person Does Not Exist, https://thispersondoesnotexist.com. Web. 17 Sept. 2020. ## Slide 454 Wang, Phillip. This Person Does Not Exist, https://thispersondoesnotexist.com. Web. 17 Sept. 2020. ## Slide 455 Wang, Phillip. This Person Does Not Exist, https://thispersondoesnotexist.com. Web. 17 Sept. 2020. ## Slide 457 Wang, Phillip. This Person Does Not Exist, https://thispersondoesnotexist.com. Web. 17 Sept. 2020. ## Slide 458 Wang, Phillip. This Person Does Not Exist, https://thispersondoesnotexist.com. Web. 17 Sept. 2020. ## Slide 460 60%: LePage, Pete. “Images”. Google Developers, 27 October 2020, https://web.archive.org/web/20211202102738/https://developers.google.com/web/fundamentals/design-and-ux/responsive/images. Web. 3 December 2021. ## Slide 463 Wikipedia contributors. “GIF”. Wikipedia, The Free Encyclopedia, 6 December 2021, https://en.wikipedia.org/w/index.php?title=GIF&oldid=1058928240. Web. 7 December 2021. “Baby Run Omg GIF”. Tenor, 6 May 2017, https://tenor.com/view/baby-run-omg-oops-gif-8508999. Web. 10 Nov. 2021. ## Slide 464 Wikipedia contributors. “JPEG”. Wikipedia, The Free Encyclopedia, 28 November 2021, https://en.wikipedia.org/w/index.php?title=JPEG&oldid=1057572559. Web. 7 December 2021. ## Slide 465 Wikipedia contributors. “Portable Network Graphics”. Wikipedia, The Free Encyclopedia, 1 December 2021, https://en.wikipedia.org/w/index.php?title=Portable_Network_Graphics&oldid=1058174006. Web. 7 December 2021. ## Slide 466 Wikipedia contributors. “Scalable Vector Graphics”. Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/w/index.php?title=Scalable_Vector_Graphics&oldid=1058807617, 5 December 2021. Web. 7 December 2021. ## Slide 467 MDN contributors. “Image file type and format guide”. MDN Web Docs, 17 Mar. 2022, https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Image_types. Web. 4 Apr 2022. ## Slide 469 FIXME: add pages listing apps that support each format ## Slide 470 Google. “An image format for the Web”. Google Developers, 16 August 2021, https://web.archive.org/web/20211203115942/https://developers.google.com/speed/webp. Web. 5 December 2021. Wikipedia contributors. “WebP.” Wikipedia, The Free Encyclopedia, 19 November 2021, https://en.wikipedia.org/w/index.php?title=WebP&oldid=1056059303. Web. 3 December 2021. Deveria, Alexis. “WebP image format”. Can I use..., 26 Mar 2021, https://caniuse.com/webp. Web. 27 Mar 2023. ## Slide 471 Google. “An image format for the Web”. Google Developers, 16 August 2021, https://web.archive.org/web/20211203115942/https://developers.google.com/speed/webp. Web. 5 December 2021. Wikipedia contributors. “WebP.” Wikipedia, The Free Encyclopedia, 19 November 2021, https://en.wikipedia.org/w/index.php?title=WebP&oldid=1056059303. Web. 3 December 2021. ## Slide 472 Ella Fitzgerald and Louis Armstrong’s Ella and Louis (1956). See: Wikipedia contributors. “Ella and Louis”. Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/w/index.php?title=Ella_and_Louis&oldid=1061221899, 20 Dec. 2021. Web. 4 Apr. 2022. Radiohead’s OK Computer (1997). See: Wikipedia contributors. “OK Computer”. Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/w/index.php?title=OK_Computer&oldid=1080957748, 4 Apr. 2022. Web. 4 Apr. 2022. Frank Sinatra’s Come Fly With Me (1958). See: Wikipedia contributors. “Come Fly with Me (Frank Sinatra album)”. Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/w/index.php?title=Come_Fly_with_Me_(Frank_Sinatra_album)&oldid=1050650635, 19 Oct. 2021. Web. 4 Apr. 2022. ## Slide 473 Ella Fitzgerald and Louis Armstrong’s Ella and Louis (1956). See: Wikipedia contributors. “Ella and Louis”. Wikipedia, The Free Encyclopedia, 20 Dec. 2021, https://en.wikipedia.org/w/index.php?title=Ella_and_Louis&oldid=1061221899. Web. 4 Apr. 2022. Radiohead’s OK Computer (1997). See: Wikipedia contributors. “OK Computer”. Wikipedia, The Free Encyclopedia, 4 Apr. 2022, https://en.wikipedia.org/w/index.php?title=OK_Computer&oldid=1080957748. Web. 4 Apr. 2022. Frank Sinatra’s Come Fly With Me (1958). See: Wikipedia contributors. “Come Fly with Me (Frank Sinatra album)”. Wikipedia, The Free Encyclopedia, 19 Oct. 2021, https://en.wikipedia.org/w/index.php?title=Come_Fly_with_Me_(Frank_Sinatra_album)&oldid=1050650635. Web. 4 Apr. 2022. ## Slide 474 M. C. Escher’s Drawing Hands (1948). See: Wikipedia contributors. “Drawing Hands”. Wikipedia, The Free Encyclopedia, 22 Feb. 2022, https://en.wikipedia.org/w/index.php?title=Drawing_Hands&oldid=1073475238. Web. 4 Apr. 2022. Hokusai’s The Great Wave Off Kanagawa (1831). See: Wikipedia contributors. “The Great Wave off Kanagawa”. Wikipedia, The Free Encyclopedia, 20 Mar. 2022, https://en.wikipedia.org/w/index.php?title=The_Great_Wave_off_Kanagawa&oldid=1078318929. Web. 4 Apr. 2022. Georges Seurat’s A Sunday Afternoon on the Island of La Grande Jatte (1884). See: Wikipedia contributors. “A Sunday Afternoon on the Island of La Grande Jatte”. Wikipedia, The Free Encyclopedia, 27 Feb. 2022, https://en.wikipedia.org/w/index.php?title=A_Sunday_Afternoon_on_the_Island_of_La_Grande_Jatte&oldid=1074227011. Web. 4 Apr. 2022. ## Slide 475 M. C. Escher’s Drawing Hands (1948). See: Wikipedia contributors. “Drawing Hands”. Wikipedia, The Free Encyclopedia, 22 Feb. 2022, https://en.wikipedia.org/w/index.php?title=Drawing_Hands&oldid=1073475238. Web. 4 Apr. 2022. Hokusai’s The Great Wave Off Kanagawa (1831). See: Wikipedia contributors. “The Great Wave off Kanagawa”. Wikipedia, The Free Encyclopedia, 20 Mar. 2022, https://en.wikipedia.org/w/index.php?title=The_Great_Wave_off_Kanagawa&oldid=1078318929. Web. 4 Apr. 2022. Georges Seurat’s A Sunday Afternoon on the Island of La Grande Jatte (1884). See: Wikipedia contributors. “A Sunday Afternoon on the Island of La Grande Jatte”. Wikipedia, The Free Encyclopedia, 27 Feb. 2022, https://en.wikipedia.org/w/index.php?title=A_Sunday_Afternoon_on_the_Island_of_La_Grande_Jatte&oldid=1074227011. Web. 4 Apr. 2022. ## Slide 476 NASA, ESA, CSA, STScI, Webb ERO Production Team. “Tarantula Nebula (NIRCam Image)”. Webb Space Telescope, 6 Sep 2022, https://webbtelescope.org/contents/media/images/2022/041/01GA76MYFN0FMKNRHGCAGGYCVQ?news=true. Web. 6 Sep 2022. Public domain. ## Slide 478 Issaoun, Sara et al. “Astronomers unveil strong magnetic fields spiraling at the edge of Milky Way’s central black hole”. European Southern Observatory, 27 Mar. 2024, https://www.eso.org/public/news/eso2406/. Web. 29 Mar. 2024. Licensed CC BY 4.0: https://creativecommons.org/licenses/by/4.0/. Modified by converting to the WebP format. ## Slide 479 Issaoun, Sara et al. “Astronomers unveil strong magnetic fields spiraling at the edge of Milky Way’s central black hole”. European Southern Observatory, 27 Mar. 2024, https://www.eso.org/public/news/eso2406/. Web. 29 Mar. 2024. Licensed CC BY 4.0: https://creativecommons.org/licenses/by/4.0/. Modified by converting to the WebP format. ## Slide 480 Wikipedia contributors. “WebP.” Wikipedia, The Free Encyclopedia, 19 November 2021, https://en.wikipedia.org/w/index.php?title=WebP&oldid=1056059303. Web. 3 December 2021. Google. “WebP 2”. Google Git, 29 November 2021, https://chromium.googlesource.com/codecs/libwebp2/. Web. 5 December 2021. ## Slide 481 Google. “WebPShop”. Google Developers, 16 August 2021, https://developers.google.com/speed/webp/docs/webpshop. Web. 6 December 2021. “Work with WebP files in Photoshop”. Adobe Support, 15 Nov 2022, https://helpx.adobe.com/photoshop/kb/support-webp-image-format.html. Web. 25 Jan 2023. ## Slide 482 WebM Project. “WebPShop”. GitHub, 26 November 2021, https://github.com/webmproject/WebPShop. Web. 6 December 2021. ## Slide 483 FIXME ## Slide 484 Wikipedia contributors. “AVIF”. Wikipedia, The Free Encyclopedia, 27 November 2021, https://en.wikipedia.org/w/index.php?title=AVIF&oldid=1057338374. Web. 7 December 2021. Archibald, Jake. “AVIF has landed”. Jake Archibald, 8 September 2020, https://jakearchibald.com/2020/avif-has-landed/. Web. 6 December 2021. ## Slide 485 Wikipedia contributors. “AVIF”. Wikipedia, The Free Encyclopedia, 27 November 2021, https://en.wikipedia.org/w/index.php?title=AVIF&oldid=1057338374. Web. 7 December 2021. ## Slide 486 Wikipedia contributors. “JPEG XL”. Wikipedia, The Free Encyclopedia, 3 December 2021, https://en.wikipedia.org/w/index.php?title=JPEG_XL&oldid=1058484706. Web. 7 December 2021. Joint Photographic Experts Group (JPEG) committee. “Overview of JPEG XL”. JPEG, https://jpeg.org/jpegxl/. Web. 9 Feb 2022. ## Slide 487 Deveria, Alexis [@Fyrd]. “JPEG XL image format”. Can I use…, 29 Nov 2022, https://caniuse.com/jpegxl. Web. 30 Nov 2022. ## Slide 488 dah…@chromium.org. “Comment 84”, from “Issue 1178058: JPEG XL decoding support (image/jxl) in blink (tracking bug)”. Chromium Bugs, 30 Oct 2022, https://bugs.chromium.org/p/chromium/issues/detail?id=1178058#c84. Web. 30 Nov 2022. There is an attempt to bring back JPEG XL support in Chromium; to follow along, track “Request: Re-open JPEG XL issue” at https://issues.chromium.org/issues/40270698 ## Slide 489 Wikipedia contributors. “JPEG XL”. Wikipedia, The Free Encyclopedia, 3 December 2021, https://en.wikipedia.org/w/index.php?title=JPEG_XL&oldid=1058484706. Web. 7 December 2021. Joint Photographic Experts Group (JPEG) committee. “Overview of JPEG XL”. JPEG, https://jpeg.org/jpegxl/. Web. 9 Feb 2022. ## Slide 490 Fractional Xperience. “JPEG XL”. JPEG XL, 2024, https://jpegxl.info/index.html. Web. 11 Sep 2024. ## Slide 491 Wikipedia contributors. “JPEG XL”. Wikipedia, The Free Encyclopedia, 31 Jan. 2022, https://en.wikipedia.org/w/index.php?title=JPEG_XL&oldid=1069103728. Web. 9 Feb. 2022. Fractional Xperience. “Supported Software”. JPEG XL, 2024, https://jpegxl.info/resources/supported-software.html. Web. 11 Sep. 2024. ## Slide 492 † lucia scarlet 🩸 [@luciascarlet]. “macOS Sonoma has proper system-wide support for JPEG XL including in [http://Photos.app](https://t.co/db5xgNGXla) and [http://Preview.app](https://t.co/DhEzZAUovt), not just in Safari”. Twitter, 6 June 2023, https://twitter.com/luciascarlet/status/1666053797049671680. Web. 11 Oct 2023. Wikipedia contributors. “JPEG XL”. Wikipedia, The Free Encyclopedia, 8 Sep. 2024, https://en.wikipedia.org/wiki/JPEG_XL. Web. 11 Sep. 2024. ## Slide 493 WebP: Deveria, Alexis [@Fyrd]. “WebP image format”. Can I use…, 24 Sep 2023, https://caniuse.com/webp. Web. 26 Sep 2023. AVIF Deveria, Alexis [@Fyrd]. “AVIF image format”. Can I use…, 24 Sep 2023, https://caniuse.com/avif. Web. 26 Sep 2023. “Chrome 85: Upload Streaming, Human Interface Devices, Custom Properties with Inheritance and More”. Chromium Blog, 23 July 2020, https://blog.chromium.org/2020/07/chrome-85-upload-streaming-human.html. Web. 2 December 2021. JPEG XL Deveria, Alexis [@Fyrd]. “JPEG XL image format”. Can I use…, 24 Sep 2023, https://caniuse.com/jpegxl. Web. 26 Sep 2023. dah…@chromium.org. “Comment 84”, from “Issue 1178058: JPEG XL decoding support (image/jxl) in blink (tracking bug)”. Chromium Bugs, 30 Oct 2022, https://bugs.chromium.org/p/chromium/issues/detail?id=1178058#c84. Web. 30 Nov 2022. ## Slide 495 GoogleChromeLabs. “Squoosh”. Squoosh, https://squoosh.app. Web. 6 Dec. 2021. GoogleChromeLabs. “squoosh”. GitHub, 20 October 2021, https://github.com/GoogleChromeLabs/squoosh. Web. 6 December 2021. ## Slide 496 GoogleChromeLabs. “Squoosh”. Squoosh, https://squoosh.app/editor. Web. 6 Dec. 2021. ## Slide 497 GoogleChromeLabs. “Squoosh”. Squoosh, https://squoosh.app/editor. Web. 6 Dec. 2021. ## Slide 498 GoogleChromeLabs. “Squoosh”. Squoosh, https://squoosh.app/editor. Web. 6 Dec. 2021. ## Slide 499 GoogleChromeLabs. “Squoosh”. Squoosh, https://squoosh.app/editor. Web. 6 Dec. 2021. ## Slide 503 JacobDev1. “XL Converter”. Code Poems, 2024, https://codepoems.eu/xl-converter/. Web. 06 Apr 2024. ## Slide 504 JacobDev1. “XL Converter”. Code Poems, 2024, https://codepoems.eu/xl-converter/. Web. 06 Apr 2024. ## Slide 505 JacobDev1. “XL Converter”. Code Poems, 2024, https://codepoems.eu/xl-converter/. Web. 06 Apr 2024. ## Slide 523 Monroe, Charlie. “Permute - Media Converter for macOS”. Charlie Monroe Software, 18 Nov 2022, https://software.charliemonroe.net/permute/. Web. 05 Dec 2022. ## Slide 538 Realmac Software Limited. “Powerful Batch Photo Editor for Mac - Squash”. Realmac, 21 Nov 2022, https://www.realmacsoftware.com/squash/. Web. 05 Dec 2022. ## Slide 544 NVS ltd. “Bulk Convert Images to WebP (Free & Online)”. To WebP, https://towebp.io/. Web. 23 Mar 2024. ## Slide 545 NVS ltd. “Bulk Convert Images to WebP (Free & Online)”. To WebP, https://towebp.io/. Web. 23 Mar 2024. ## Slide 546 NVS ltd. “Bulk Convert Images to WebP (Free & Online)”. To WebP, https://towebp.io/. Web. 23 Mar 2024. ## Slide 549 “Use Safari web apps on Mac”. Apple. Apple Support, 13 Dec. 2023, https://support.apple.com/en-us/104996. Web. 24 Mar. 2024. ## Slide 555 MDN contributors. “: The Document Body element”. MDN Web Docs, 21 Apr 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/body. Web. 8 July 2022. ## Slide 823 WHATWG. “4.3.8 The header element”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/sections.html#the-header-element. Web. 8 July 2022. MDN contributors. “
”. MDN Web Docs, 17 May 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/header. Web. 8 July 2022. ## Slide 824 WHATWG. “4.3.8 The header element”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/sections.html#the-header-element. Web. 8 July 2022. ## Slide 825 WHATWG. “4.3.8 The header element”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/sections.html#the-header-element. Web. 8 July 2022. ## Slide 826 WebSanity. “HTML: header element”. CodePen, 17 Jan. 2024, https://codepen.io/websanity/pen/PoGyzq?editors=1000. Web. 8 July 2022. ## Slide 828 WHATWG. “4.3.9 The footer element”. HTML Living Standard, 8 July 2022, https://html.spec.whatwg.org/multipage/sections.html#the-footer-element. Web. 8 July 2022. MDN contributors. “
”. MDN Web Docs, 17 May 2022, https://developer.mozilla.org/en-US/docs/Web/HTML/Element/footer. Web. 8 July 2022. ## Slide 829 http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-footer-element ## Slide 830 WebSanity. “HTML: footer element”. CodePen, 1 May 2014, https://codepen.io/websanity/pen/oNzzRJ?editors=1000. Web. 8 July 2022. ## Slide 831 http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-footer-element ## Slide 832 WebSanity. “HTML: footer element with sections”. CodePen, 1 May 2014, https://codepen.io/websanity/pen/wvzoGz?editors=1000. Web. 8 July 2022. ## Slide 833 Deveria, Alexis [@Fyrd]. “HTML element: nav”. Can I use…, 4 July 2022, https://caniuse.com/mdn-html_elements_nav. Web. 8 July 2022. Deveria, Alexis [@Fyrd]. “HTML element: article”. Can I use…, 4 July 2022, https://caniuse.com/mdn-html_elements_article. Web. 8 July 2022. Deveria, Alexis [@Fyrd]. “HTML element: aside”. Can I use…, 4 July 2022, https://caniuse.com/mdn-html_elements_aside. Web. 8 July 2022. Deveria, Alexis [@Fyrd]. “HTML element: section”. Can I use…, 4 July 2022, https://caniuse.com/mdn-html_elements_section. Web. 8 July 2022. Deveria, Alexis [@Fyrd]. “HTML element: header”. Can I use…, 4 July 2022, https://caniuse.com/mdn-html_elements_header. Web. 8 July 2022. Deveria, Alexis [@Fyrd]. “HTML element: footer”. Can I use…, 4 July 2022, https://caniuse.com/mdn-html_elements_footer. Web. 8 July 2022. ## Slide 835 WHATWG. “4.12.1 The script element”. HTML Living Standard, 6 July 2022, https://html.spec.whatwg.org/multipage/scripting.html#the-script-element. Web. 7 July 2022. MDN contributors. “