![[Valid Atom 1.0]](images/valid-atom.png "Valid Atom 1.0")
This is a valid Atom 1.0 feed.
This feed is valid, but interoperability with the widest range of feed readers could be improved by implementing the following recommendations.
line 13, column 2: (4 occurrences) [help]
<entry xmlns:default="http://www.w3.org/1999/xhtml" xmlns:default1="http:/ ...
^
line 13, column 2: (8 occurrences) [help]
<entry xmlns:default="http://www.w3.org/1999/xhtml" xmlns:default1="http:/ ...
^
line 16, column 117: (4 occurrences) [help]
... ="alternate" title="" type="text/html"/>
^
<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en-US"> <title>Tantek Çelik</title> <link href="https://tantek.com/" rel="alternate" title="Tantek Çelik" type="text/html"/> <link href="https://tantek.com/updates.atom" rel="self"/> <link rel="hub" href="https://pubsubhubbub.superfeedr.com/"/> <id>https://tantek.com/updates.atom</id> <author> <name>Tantek</name> <uri>https://tantek.com/</uri> </author> <updated>2025-08-20T16:28:00-07:00</updated> <entry xmlns:default="http://www.w3.org/1999/xhtml" xmlns:default1="http://activitystrea.ms/spec/1.0/"> <updated>2025-08-04T22:46:00-07:00</updated> <published>2025-08-04T22:46:00-07:00</published> <link href="https://tantek.com/2025/216/t1/finished-skyline50k-ultra" rel="alternate" title="" type="text/html"/> <id>https://tantek.com/2025/216/t1/finished-skyline50k-ultra</id> <title type="xhtml"> <default:div xmlns="http://www.w3.org/1999/xhtml" class="if-your-feed-reader-displays-this-then-it-is-violating-the-Atom-spec-RFC-4287-section-4.2.14"/> </title> <content type="xhtml" xml:base="https://tantek.com/" xml:space="preserve"> <default:div xmlns="http://www.w3.org/1999/xhtml" xml:space="preserve">Finished the #<default:span class="p-category auto-tag">Skyline50k</default:span> #<default:span class="p-category auto-tag">trailRace</default:span> in 9:34:51 yesterday! My 3rd best 50k, and first 50k in over two years since the Marin Ultra Challenge 50k in 2023.<default:br class="auto-break"/><default:br class="auto-break"/>It was quite the journey to get back here, and a lot went well in this race. From training to preparing and planning, the temperate cool weather for most of the day, and executing perhaps the best I have in a race.<default:br class="auto-break"/><default:br class="auto-break"/>For now, I am very happy with my performance in this #<default:span class="p-category auto-tag">Skyline</default:span> race, and want to express my thanks to Scena Performance (<default:a class="auto-link" href="https://scenaperformance.com">@scenaperformance.com</default:a> <default:a class="auto-link h-cassis-username" href="https://twitter.com/ScenaPerform">@ScenaPerform</default:a>) for putting on such a welcoming, friendly, and supportive event.<default:br class="auto-break"/><default:br class="auto-break"/>Lots more thoughts and feelings to share.<default:br class="auto-break"/><default:br class="auto-break"/>Strava: <default:a class="auto-link" href="https://www.strava.com/activities/15336739842/overview">https://www.strava.com/activities/15336739842/overview</default:a><default:br class="auto-break"/><default:br class="auto-break"/>Previously: <default:a class="auto-link" href="https://tantek.com/2022/289/t1/hot-skyline50k-ultra-finish">https://tantek.com/2022/289/t1/hot-skyline50k-ultra-finish</default:a><default:br class="auto-break"/><default:br class="auto-break"/>#<default:span class="p-category auto-tag">run</default:span> #<default:span class="p-category auto-tag">trailRun</default:span> #<default:span class="p-category auto-tag">trailRunning</default:span> #<default:span class="p-category auto-tag">ultraRunning</default:span> #<default:span class="p-category auto-tag">trailRunner</default:span> #<default:span class="p-category auto-tag">ultraRunner</default:span> #<default:span class="p-category auto-tag">50k</default:span> #<default:span class="p-category auto-tag">50kTrailRace</default:span> #<default:span class="p-category auto-tag">50kFinish</default:span> #<default:span class="p-category auto-tag">50kFinisher</default:span> #<default:span class="p-category auto-tag">ultraMarathon</default:span> #<default:span class="p-category auto-tag">2025_215</default:span> #<default:span class="p-category auto-tag">20250803</default:span></default:div> </content> <default1:object-type xmlns="http://activitystrea.ms/spec/1.0/">note</default1:object-type> </entry> <entry xmlns:default="http://www.w3.org/1999/xhtml" xmlns:default1="http://activitystrea.ms/spec/1.0/"> <updated>2025-07-29T22:48:00-07:00</updated> <published>2025-07-29T22:48:00-07:00</published> <link href="https://tantek.com/2025/210/t1/vision-for-w3c-published" rel="alternate" title="" type="text/html"/> <id>https://tantek.com/2025/210/t1/vision-for-w3c-published</id> <title type="xhtml"> <default:div xmlns="http://www.w3.org/1999/xhtml" class="if-your-feed-reader-displays-this-then-it-is-violating-the-Atom-spec-RFC-4287-section-4.2.14"/> </title> <content type="xhtml" xml:base="https://tantek.com/" xml:space="preserve"> <default:div xmlns="http://www.w3.org/1999/xhtml" xml:space="preserve">The Vision for W3C has been officially published as a ratified W3C Statement: <default:a class="auto-link" href="https://www.w3.org/TR/2025/STMT-w3c-vision-20250729/">https://www.w3.org/TR/2025/STMT-w3c-vision-20250729/</default:a><default:br class="auto-break"/><default:br class="auto-break"/>As one of the editors, along with Chris Wilson (<default:a class="auto-link" href="https://cwilso.com">@cwilso.com</default:a> <default:a class="auto-link" href="https://mastodon.social/@cdub">@cdub@mastodon.social</default:a>), I’m both proud of this multi-year W3C Advisory Board (AB) effort, and grateful to everyone who contributed and gave feedback that helped improve the document.<default:br class="auto-break"/><default:br class="auto-break"/>Writing down and openly publishing our collective values and principles is an important step forward for W3C. We now have a shared reference to both guide our priorities and cite to help resolve differences in opinion (rather than having to appeal to authority).<default:br class="auto-break"/><default:br class="auto-break"/>The AB (<default:a class="auto-link" href="https://w3.org/wiki/AB">@w3.org/wiki/AB</default:a> <default:a class="auto-link" href="https://w3c.social/@ab">@ab@w3c.social</default:a>) has prioritized work on the Vision project for many years (<default:a class="auto-link" href="https://www.w3.org/wiki/AB/Vision">https://www.w3.org/wiki/AB/Vision</default:a>), and personally, co-leading this project during my time on the AB has been inspiring, challenging, and a source of many lessons learned. Lots more to share on all that. For now, happy to take a moment to celebrate this milestone.<default:br class="auto-break"/><default:br class="auto-break"/>#<default:span class="p-category auto-tag">w3cVision</default:span> #<default:span class="p-category auto-tag">VisionForW3C</default:span> #<default:span class="p-category auto-tag">WorldWideWeb</default:span> #<default:span class="p-category auto-tag">W3C</default:span> (<default:a class="auto-link" href="https://w3.org">@w3.org</default:a> <default:a class="auto-link" href="https://w3c.social/@w3c">@w3c@w3c.social</default:a>) #<default:span class="p-category auto-tag">w3cAB</default:span> #<default:span class="p-category auto-tag">Vision</default:span> #<default:span class="p-category auto-tag">VisionTF</default:span><default:br class="auto-break"/>#<default:span class="p-category auto-tag">openWeb</default:span> #<default:span class="p-category auto-tag">webStandards</default:span><default:br class="auto-break"/><default:br class="auto-break"/>Previously:<default:br class="auto-break"/>* <default:a class="auto-link" href="https://tantek.com/2025/100/t1/vision-for-w3c-please-vote">https://tantek.com/2025/100/t1/vision-for-w3c-please-vote</default:a><default:br class="auto-break"/><default:br class="auto-break"/>More posts:<default:br class="auto-break"/>* <default:a class="auto-link" href="https://www.w3.org/news/2025/vision-for-w3c-is-a-w3c-statement/">https://www.w3.org/news/2025/vision-for-w3c-is-a-w3c-statement/</default:a><default:br class="auto-break"/>* <default:a class="auto-link" href="https://www.w3.org/blog/2025/vision-for-w3c-a-manifesto-for-our-operations-and-decision-making/">https://www.w3.org/blog/2025/vision-for-w3c-a-manifesto-for-our-operations-and-decision-making/</default:a></default:div> </content> <default1:object-type xmlns="http://activitystrea.ms/spec/1.0/">note</default1:object-type> </entry> <entry xmlns:default="http://www.w3.org/1999/xhtml" xmlns:default1="http://activitystrea.ms/spec/1.0/"> <updated>2025-07-01T17:41:00-07:00</updated> <published>2025-07-01T17:41:00-07:00</published> <link href="https://tantek.com/2025/182/t1/movie-club-tomorrowland-submissions" rel="alternate" title="" type="text/html"/> <id>https://tantek.com/2025/182/t1/movie-club-tomorrowland-submissions</id> <title type="xhtml"> <default:div xmlns="http://www.w3.org/1999/xhtml" class="if-your-feed-reader-displays-this-then-it-is-violating-the-Atom-spec-RFC-4287-section-4.2.14"/> </title> <content type="xhtml" xml:base="https://tantek.com/" xml:space="preserve"> <default:div xmlns="http://www.w3.org/1999/xhtml" xml:space="preserve">I really enjoyed the IndieWeb Movie Club May 2025 submissions about the film “Tomorrowland”. Ordered from earliest to most recent:<default:br class="auto-break"/><default:br class="auto-break"/>* Paolo Feadin: <default:a class="auto-link" href="https://www.feadin.eu/en/posts/tomorrowland">https://www.feadin.eu/en/posts/tomorrowland</default:a><default:br class="auto-break"/>* Thomas Vander Wal: <default:a class="auto-link" href="https://vanderwal.net/random/entrysel.php?blog=2119">https://vanderwal.net/random/entrysel.php?blog=2119</default:a><default:br class="auto-break"/>* gRegor Morrill: <default:a class="auto-link" href="https://gregorlove.com/2025/05/tomorrowland/">https://gregorlove.com/2025/05/tomorrowland/</default:a><default:br class="auto-break"/>* Benji: <default:a class="auto-link" href="https://www.benji.dog/watched/1748757918-tomorrowland-2015/">https://www.benji.dog/watched/1748757918-tomorrowland-2015/</default:a><default:br class="auto-break"/>* James: <default:a class="auto-link" href="https://jamesg.blog/2025/07/01/tomorrowland-indieweb-movie-club">https://jamesg.blog/2025/07/01/tomorrowland-indieweb-movie-club</default:a><default:br class="auto-break"/><default:br class="auto-break"/>As promised in my welcome post, here are my past posts regarding or related to Tomorrowland the film, Before Tomorrowland the book, and the themes and messages therein:<default:br class="auto-break"/>* <default:a class="auto-link" href="https://tantek.com/2016/042/t1/the-problem-to-solve-negative-news">https://tantek.com/2016/042/t1/the-problem-to-solve-negative-news</default:a><default:br class="auto-break"/>* <default:a class="auto-link" href="https://tantek.com/2016/145/b1/tomorrowland-misjudging-by-name-association">https://tantek.com/2016/145/b1/tomorrowland-misjudging-by-name-association</default:a><default:br class="auto-break"/>* <default:a class="auto-link" href="https://tantek.com/2016/150/b1/tomorrowland-change-perspective-flight-paris">https://tantek.com/2016/150/b1/tomorrowland-change-perspective-flight-paris</default:a><default:br class="auto-break"/>* <default:a class="auto-link" href="https://tantek.com/2016/279/t2/finished-reading-before-tomorrowland">https://tantek.com/2016/279/t2/finished-reading-before-tomorrowland</default:a><default:br class="auto-break"/><default:br class="auto-break"/>I rewatched the film in May, and had a mix of remembering my past impressions as well as forming new impressions in the context of 2025. A lot has changed in the past 10 years. Worth a separate blog post.<default:br class="auto-break"/> <default:br class="auto-break"/>Previously: <default:a class="auto-link" href="https://tantek.com/2025/120/t1/indieweb-movie-club-tomorrowland">https://tantek.com/2025/120/t1/indieweb-movie-club-tomorrowland</default:a><default:br class="auto-break"/><default:br class="auto-break"/>#<default:span class="p-category auto-tag">TomorrowlandFilm</default:span> #<default:span class="p-category auto-tag">BeforeTomorrowland</default:span> #<default:span class="p-category auto-tag">IndieWeb</default:span> #<default:span class="p-category auto-tag">IndieWebMovieClub</default:span><default:br class="auto-break"/><default:br class="auto-break"/>This is post 12 of #<default:span class="p-category auto-tag">100PostsOfIndieWeb</default:span>. #<default:span class="p-category auto-tag">100Posts</default:span><default:br class="auto-break"/><default:br class="auto-break"/>← <default:a class="auto-link" href="https://tantek.com/2025/120/t1/indieweb-movie-club-tomorrowland">https://tantek.com/2025/120/t1/indieweb-movie-club-tomorrowland</default:a><default:br class="auto-break"/>→ 🔮</default:div> </content> <default1:object-type xmlns="http://activitystrea.ms/spec/1.0/">note</default1:object-type> </entry> <entry xmlns:default="http://www.w3.org/1999/xhtml" xmlns:default1="http://activitystrea.ms/spec/1.0/"> <updated>2025-06-20T17:48:00-07:00</updated> <published>2025-06-20T17:48:00-07:00</published> <link href="https://tantek.com/2025/171/t1/microformats-20-years" rel="alternate" title="" type="text/html"/> <id>https://tantek.com/2025/171/t1/microformats-20-years</id> <title type="xhtml"> <default:div xmlns="http://www.w3.org/1999/xhtml" class="if-your-feed-reader-displays-this-then-it-is-violating-the-Atom-spec-RFC-4287-section-4.2.14"/> </title> <content type="xhtml" xml:base="https://tantek.com/" xml:space="preserve"> <default:div xmlns="http://www.w3.org/1999/xhtml" xml:space="preserve">🎂 Congrats <default:a class="auto-link" href="https://microformats.org">@microformats.org</default:a> on 20 years! #<default:span class="p-category auto-tag">microformats20</default:span><default:br class="auto-break"/><default:br class="auto-break"/>Even after 20 years, people keep discovering new ways of using #<default:span class="p-category auto-tag">microformats:</default:span><default:br class="auto-break"/>* <default:a class="auto-link" href="https://artlung.com">@artlung.com</default:a>: "WML, WAP, & Microformats Demo!" (<default:a class="auto-link" href="https://lab.artlung.com/wml/faux">https://lab.artlung.com/wml/faux</default:a>)<default:br class="auto-break"/>> Because WML elements may have the class attribute<default:br class="auto-break"/>Originally posted 2025-06-18: <default:a class="auto-link" href="https://xoxo.zone/@artlung/114705990062730513">https://xoxo.zone/@artlung/114705990062730513</default:a><default:br class="auto-break"/><default:br class="auto-break"/>That adds to the list of languages with working microformats examples:<default:br class="auto-break"/>* HTML — modern, unversioned as well as every version since HTML4<default:br class="auto-break"/>* HTML3 — see <default:a class="auto-link" href="https://microformats.org/wiki/html3">https://microformats.org/wiki/html3</default:a><default:br class="auto-break"/>* SVG — see <default:a class="auto-link" href="https://microformats.org/wiki/svg">https://microformats.org/wiki/svg</default:a><default:br class="auto-break"/>* XHTML — every version, 1.0, 1.1, 2.0<default:br class="auto-break"/>and now also:<default:br class="auto-break"/>* WML — <default:a class="auto-link" href="https://microformats.org/wiki/wml">https://microformats.org/wiki/wml</default:a><default:br class="auto-break"/><default:br class="auto-break"/>Literally any HTML-like or XML-like language that has a space-separated class attribute can work with microformats.<default:br class="auto-break"/><default:br class="auto-break"/>In constrast, every alternative to microformats (most now defunct) required adding new attributes, or worse, entirely new elements, which meant revising every language one at a time (or use of fragile XML Namespaces), resulting in supporting only 1-2 languages at most (HTML and XHTML) in practice, and nothing else.<default:br class="auto-break"/><default:br class="auto-break"/>Re-using the "class" attribute based on the existing footpath that web designers made for encoding additional semantics into their HTML, and the similarly extensible "rel" attribute, was one of the best design decisions in any extension format ever.<default:br class="auto-break"/><default:br class="auto-break"/>After 20 years, microformats continue to serve as another example of “loosely joined” approaches being more adaptable, reliable, resilient, and longer lasting than “tightly coupled”.<default:br class="auto-break"/><default:br class="auto-break"/>More microformats 20th anniversary posts from the #<default:span class="p-category auto-tag">indieweb</default:span> personal sites (via <default:a class="auto-link" href="https://stream.indieweb.org/">https://stream.indieweb.org/</default:a>)<default:br class="auto-break"/>* <default:a class="auto-link" href="https://manton.org">@manton.org</default:a>: "It’s the 20th anniversary of the launch of <default:a class="auto-link" href="http://microforrmats.org">microforrmats.org</default:a>!" (<default:a class="auto-link" href="https://www.manton.org/2025/06/20/its-the-th-anniversary-of.html">https://www.manton.org/2025/06/20/its-the-th-anniversary-of.html</default:a>)<default:br class="auto-break"/>* ... hashtag your post #<default:span class="p-category auto-tag">microformats</default:span> or #<default:span class="p-category auto-tag">microformats20</default:span> and #<default:span class="p-category auto-tag">federate</default:span> (using #<default:span class="p-category auto-tag">Mastodon</default:span> or any compatible #<default:span class="p-category auto-tag">fediverse</default:span> server etc.) or webmention this post!<default:br class="auto-break"/><default:br class="auto-break"/>#<default:span class="p-category auto-tag">20thAnniversary</default:span> #<default:span class="p-category auto-tag">smallPieces</default:span> #<default:span class="p-category auto-tag">looselyJoined</default:span><default:br class="auto-break"/><default:br class="auto-break"/>Previously, previously, previously:<default:br class="auto-break"/>* <default:a class="auto-link" href="https://tantek.com/2024/173/t1/years-posse-microformats-beyond">https://tantek.com/2024/173/t1/years-posse-microformats-beyond</default:a><default:br class="auto-break"/>* <default:a class="auto-link" href="https://tantek.com/2023/171/t1/anniversaries-microformats-posse">https://tantek.com/2023/171/t1/anniversaries-microformats-posse</default:a><default:br class="auto-break"/>* <default:a class="auto-link" href="https://tantek.com/2019/171/t1/happy-14th-microformats-org">https://tantek.com/2019/171/t1/happy-14th-microformats-org</default:a></default:div> </content> <default1:object-type xmlns="http://activitystrea.ms/spec/1.0/">note</default1:object-type> </entry></feed> If you would like to create a banner that links to this page (i.e. this validation result), do the following:
Download the "valid Atom 1.0" banner.
Upload the image to your own server. (This step is important. Please do not link directly to the image on this server.)
Add this HTML to your page (change the image src attribute if necessary):
If you would like to create a text link instead, here is the URL you can use:
http://www.feedvalidator.org/check.cgi?url=http%3A//tantek.com/log/posts.atom
