@HTTPArchive

Public dataset that tracks how the web is built. Maintained by @patmeenan @paulcalvano @tunetheweb @themax_o and @nrllah

httparchive.org
Joined April 2011
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The 2025 Web Almanac by HTTP Archive has been officially released! 🚀 We would like to thank all of our contributors from around the globe who made this extensive report possible! Check out the full report here: almanac.httparchive.org #thewebalmanac
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🚨 Calling all web experts! 🚨 The 2025 Web Almanac is still open for contributors! Know someone perfect for it? Mention them here and help us reach the right folks. 🙌 📢 Please help us spread the word! 🔗 Learn more: github.com/HTTPArchive/alman…
Call for contributors for the Web Almanac 2025

ALT Call for contributors for the Web Almanac 2025

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Check out this video from @_clarkio about the 2024 Web Almanac, and in particular the Security chapter he contributed too. 😍 youtube.com/watch?v=v43vWxbA…

Most Important Asset for Web Developers (Web Almanac)

Have you heard of The Web Almanac 2024? No? Well, you're in luck! T...

youtube.com
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Very pleased that @themax_o has agreed to join us as one of the maintainers of the HTTP Archive! Max has done some great work on the project for a number of years, so super pleased to have him on board to help run this project—Thanks Max! httparchive.org/faq#who-main…
Who maintains the HTTP Archive? The current core maintainers are Pat Meenan, Rick Viscomi, Paul Calvano, Barry Pollard, and Max Ostapenko. Many people have contributed and helped make the HTTP Archive successful over the years. Special thanks to Steve Souders, who started the project in 2010, Pat Meenan who built the WebPageTest infrastructure powering the HTTP Archive, Ilya Grigorik, a long-time core maintainer, and Guy Leech and Stephen Hay for design help along the way.

ALT Who maintains the HTTP Archive? The current core maintainers are Pat Meenan, Rick Viscomi, Paul Calvano, Barry Pollard, and Max Ostapenko. Many people have contributed and helped make the HTTP Archive successful over the years. Special thanks to Steve Souders, who started the project in 2010, Pat Meenan who built the WebPageTest infrastructure powering the HTTP Archive, Ilya Grigorik, a long-time core maintainer, and Guy Leech and Stephen Hay for design help along the way.

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Replying to @cyberandy
@cyberandy
Mashup of the nerd and drool emoji

ALT Mashup of the nerd and drool emoji

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Replying to @beltway7
Incredible effort! Thank you @beltway7 for all of your contributions to make the Web Almanac available in Japanese!
Mashup of the siren emoji with stars radiating from it

ALT Mashup of the siren emoji with stars radiating from it

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Replying to @HTTPArchive @HenriHelvetica @wesbos @tunetheweb
Also, pro tip for nerds: you can view the underlying query if you wanted to see exactly how the data for any given figure is calculated. github.com/HTTPArchive/alman…
Screenshot of the expandable menu on the Web Almanac figure with the "View query" option highlighted.

ALT Screenshot of the expandable menu on the Web Almanac figure with the "View query" option highlighted.

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Replying to @Quasicodo
1% of site owners do almanac.httparchive.org/en/2…
Bar chart from the Markup chapter of the 2022 Web Almanac showing the most popular obsolete HTML elements. center is used on 6.3% of desktop and 6.1% of mobile pages, font is used on 5.7% and 5.4% pages respectively, marquee on 0.8% and 1.0%, nobr on 0.5% and 0.4%, and finally big 0.4% of desktop and mobile pages.

ALT Bar chart from the Markup chapter of the 2022 Web Almanac showing the most popular obsolete HTML elements. center is used on 6.3% of desktop and 6.1% of mobile pages, font is used on 5.7% and 5.4% pages respectively, marquee on 0.8% and 1.0%, nobr on 0.5% and 0.4%, and finally big 0.4% of desktop and mobile pages.

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Replying to @SaraSoueidan
Still going strong almanac.httparchive.org/en/2…
Bar chart showing the percent of pages that use the top JavaScript libraries and frameworks. Starting with the most popular, jQuery is used by 81% of mobile pages, followed by core-js on 41%, jQuery Migrate on 34%, jQuery UI on 23%, Modernizr on 13%, Lodash, LazySizes, and OWL Carousel on 9%, React, FancyBox, Slick, and GSAP on 8%, Isotope on 7%, and Underscore.js and Lightbox on 6%. Desktop adoption is very similar.

ALT Bar chart showing the percent of pages that use the top JavaScript libraries and frameworks. Starting with the most popular, jQuery is used by 81% of mobile pages, followed by core-js on 41%, jQuery Migrate on 34%, jQuery UI on 23%, Modernizr on 13%, Lodash, LazySizes, and OWL Carousel on 9%, React, FancyBox, Slick, and GSAP on 8%, Isotope on 7%, and Underscore.js and Lightbox on 6%. Desktop adoption is very similar.

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Replying to @YAtil @briankardell @simevidas
We have some data on the top pseudo-classes in the CSS chapter of the 2021 Web Almanac :focus is found on 70% of sites almanac.httparchive.org/en/2…
A chart listing the most popular pseudo-classes in descending order of popularity from 85% usage to 12% usage. The list is as follows: hover, focus, active, first-child, last-child, not, visited, root, nth-child, link, disabled, empty, checked, -ms-input, last-of-type.

ALT A chart listing the most popular pseudo-classes in descending order of popularity from 85% usage to 12% usage. The list is as follows: hover, focus, active, first-child, last-child, not, visited, root, nth-child, link, disabled, empty, checked, -ms-input, last-of-type.

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