HTTP Archive 💾
@httparchive.org
Public dataset that tracks how the web is built. Maintained by @patmeenan.com, @paulcalvano.bsky.social, @tunetheweb.com, @maxostapenko.com, and Nurullah Demir
Pinned
HTTP Archive 💾
@httparchive.org
· Apr 27
Contribute to the 2025 Web Almanac · HTTPArchive almanac.httparchive.org · Discussion #4062
Dear all, We are excited to announce the Call for Contributions for the 2025 Web Almanac (6th Edition)! The Web Almanac is an annual report that provides an overview of the state of the web, based ...
github.com
What do you think? Shall we do another Web Almanac this year? Diving deep into all the data we collect to see what’s changing in web trends?
Check out this post if interested in getting involved:
github.com/HTTPArchive/...
Or nominate your favorite experts that you’d love to see author a chapter.
Check out this post if interested in getting involved:
github.com/HTTPArchive/...
Or nominate your favorite experts that you’d love to see author a chapter.
Reposted by HTTP Archive 💾
2025 Web Almanac by @httparchive.org is out. A comprehensive, data-backed view of the web, built with trusted experts, across 15 chapters on content, user experience, publishing, and distribution. It also includes a PDF version for offline reading. #almanac #report
almanac.httparchive.org/en/2025/
almanac.httparchive.org/en/2025/
January 19, 2026 at 10:59 AM
2025 Web Almanac by @httparchive.org is out. A comprehensive, data-backed view of the web, built with trusted experts, across 15 chapters on content, user experience, publishing, and distribution. It also includes a PDF version for offline reading. #almanac #report
almanac.httparchive.org/en/2025/
almanac.httparchive.org/en/2025/
Reposted by HTTP Archive 💾
Haven't taken the time to digest everything, of course, but The @httparchive.org's 2025 Web Almanac is now out. Dig in!
css-tricks.com/http-archive...
css-tricks.com/http-archive...
HTTP Archive 2025 Web Almanac | CSS-Tricks
I love me some good web research reports. I'm a sucker for them. HTTP Archive's Web Almanac is one report I look forward to every year, and I know I'm not
css-tricks.com
January 16, 2026 at 5:32 PM
Haven't taken the time to digest everything, of course, but The @httparchive.org's 2025 Web Almanac is now out. Dig in!
css-tricks.com/http-archive...
css-tricks.com/http-archive...
Reposted by HTTP Archive 💾
The Almanac is out! If you work in digital, then you should read it to understand where the web is at.
Thanks for the opportunity to work with so many brilliant people on the page weight again and SEO chapters, eg, @tamethebots.com @not-a-robot.com @chris-green.net
Thanks for the opportunity to work with so many brilliant people on the page weight again and SEO chapters, eg, @tamethebots.com @not-a-robot.com @chris-green.net
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
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
January 16, 2026 at 8:57 AM
The Almanac is out! If you work in digital, then you should read it to understand where the web is at.
Thanks for the opportunity to work with so many brilliant people on the page weight again and SEO chapters, eg, @tamethebots.com @not-a-robot.com @chris-green.net
Thanks for the opportunity to work with so many brilliant people on the page weight again and SEO chapters, eg, @tamethebots.com @not-a-robot.com @chris-green.net
Reposted by HTTP Archive 💾
Very pleased to have helped out as an editor on the Cookies chapter of the 2025 Web Almanac, which had 70 contributors this year. Congratulations to everyone who worked on it, and a massive thanks to @tunetheweb.com who does so much behind the scenes to get it published.
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
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
January 16, 2026 at 9:52 AM
Very pleased to have helped out as an editor on the Cookies chapter of the 2025 Web Almanac, which had 70 contributors this year. Congratulations to everyone who worked on it, and a massive thanks to @tunetheweb.com who does so much behind the scenes to get it published.
Reposted by HTTP Archive 💾
Page weights look to be getting worse, due to image formats?...
January 16, 2026 at 11:17 AM
Page weights look to be getting worse, due to image formats?...
Reposted by HTTP Archive 💾
GPTbot is an unpopular visitor then!
January 16, 2026 at 11:04 AM
GPTbot is an unpopular visitor then!
Reposted by HTTP Archive 💾
The new Web Almanac is out. 🎉
If you don't know the Web Almanac, it's pretty much a summary and analysis of the state of the web based on real data from the HTTP Archive.
As a yearly tradition, I'll go over it and highlight/comment on the things that stand out. Let's go! 🧵
If you don't know the Web Almanac, it's pretty much a summary and analysis of the state of the web based on real data from the HTTP Archive.
As a yearly tradition, I'll go over it and highlight/comment on the things that stand out. Let's go! 🧵
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
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
January 16, 2026 at 10:06 AM
The new Web Almanac is out. 🎉
If you don't know the Web Almanac, it's pretty much a summary and analysis of the state of the web based on real data from the HTTP Archive.
As a yearly tradition, I'll go over it and highlight/comment on the things that stand out. Let's go! 🧵
If you don't know the Web Almanac, it's pretty much a summary and analysis of the state of the web based on real data from the HTTP Archive.
As a yearly tradition, I'll go over it and highlight/comment on the things that stand out. Let's go! 🧵
Reposted by HTTP Archive 💾
So glad I (finally) put myself forward for this. Such an epic project, I learned so much and got to work with some really great people.
The rumour are true @tunetheweb.com is a legend
The rumour are true @tunetheweb.com is a legend
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
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
January 16, 2026 at 6:51 AM
So glad I (finally) put myself forward for this. Such an epic project, I learned so much and got to work with some really great people.
The rumour are true @tunetheweb.com is a legend
The rumour are true @tunetheweb.com is a legend
Reposted by HTTP Archive 💾
Whoop whoop! Almanac is out! Really enjoyed being an analyst this year for the page weight chapter, & am hugely impressed by what @not-a-robot.com & @barkseo.bsky.social wove with that data.
👏 to @montsecano.bsky.social for editorial chops & of @tunetheweb.com, who is a whole new plane of helpful!
👏 to @montsecano.bsky.social for editorial chops & of @tunetheweb.com, who is a whole new plane of helpful!
January 16, 2026 at 7:41 AM
Whoop whoop! Almanac is out! Really enjoyed being an analyst this year for the page weight chapter, & am hugely impressed by what @not-a-robot.com & @barkseo.bsky.social wove with that data.
👏 to @montsecano.bsky.social for editorial chops & of @tunetheweb.com, who is a whole new plane of helpful!
👏 to @montsecano.bsky.social for editorial chops & of @tunetheweb.com, who is a whole new plane of helpful!
Reposted by HTTP Archive 💾
The wait is over! The @httparchive.org has officially released the 2025 Web Almanac. 🚀 I led the new #GenerativeAI chapter, which "delves" ;) into the hard numbers of AI adoption on the web, backed by data from millions of sites.
➡️ almanac.httparchive.org/en/2025/gene...
#theWebAlmanac #WebAI
➡️ almanac.httparchive.org/en/2025/gene...
#theWebAlmanac #WebAI
Generative AI | 2025 | The Web Almanac by HTTP Archive
Generative AI chapter of the 2025 Web Almanac covering the transition to local browser-based AI, the adoption of WebNN and Built-in AI, new discoverability standards like llms.txt, and the emergence o...
almanac.httparchive.org
January 16, 2026 at 7:50 AM
The wait is over! The @httparchive.org has officially released the 2025 Web Almanac. 🚀 I led the new #GenerativeAI chapter, which "delves" ;) into the hard numbers of AI adoption on the web, backed by data from millions of sites.
➡️ almanac.httparchive.org/en/2025/gene...
#theWebAlmanac #WebAI
➡️ almanac.httparchive.org/en/2025/gene...
#theWebAlmanac #WebAI
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
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
January 16, 2026 at 3:00 AM
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
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
Got something to share real soon...
January 12, 2026 at 12:12 PM
Got something to share real soon...
Reposted by HTTP Archive 💾
My contribution to this years Web Performance Calendar is all about Third Parties and Single Points of Failure (SPOF). Based on @httparchive.org data I found that 67% of websites have at least 1 render blocking third party - and quite a few of them are SPOF risks!
Web Performance Calendar day 29 with @paulcalvano.bsky.social's research on 3rd parties, SPOF, and the need to test and monitor these. 67% of sites out there have at least 1 render-blocking external dependency.
calendar.perfplanet.com/2025/third-p...
calendar.perfplanet.com/2025/third-p...
Third Parties and Single Points of Failure
You've heard it many times - third party content can easily cause an otherwise well performing website to become sluggish and slow. And depending on how this content is loaded, it can also introduce s...
calendar.perfplanet.com
December 29, 2025 at 3:20 PM
My contribution to this years Web Performance Calendar is all about Third Parties and Single Points of Failure (SPOF). Based on @httparchive.org data I found that 67% of websites have at least 1 render blocking third party - and quite a few of them are SPOF risks!
We've taken the new version of the Core Web Vitals Tech Report out of Beta and now consider this the report to use:
httparchive.org/reports/tech...
Anyone still using the old Looker Studio-based report, it's time to check out the new goodness with much quicker response times and improved UX!
httparchive.org/reports/tech...
Anyone still using the old Looker Studio-based report, it's time to check out the new goodness with much quicker response times and improved UX!
October 15, 2025 at 10:03 PM
We've taken the new version of the Core Web Vitals Tech Report out of Beta and now consider this the report to use:
httparchive.org/reports/tech...
Anyone still using the old Looker Studio-based report, it's time to check out the new goodness with much quicker response times and improved UX!
httparchive.org/reports/tech...
Anyone still using the old Looker Studio-based report, it's time to check out the new goodness with much quicker response times and improved UX!
Reposted by HTTP Archive 💾
New @httparchive.org analysis about sites adding AI Bots and Crawlers to their robots.txt files. While robots.txt doesn't "block" bots by itself, it's a clear demonstration of the preferences of site owners and the sentiment towards AI crawlers on today's web. paulcalvano.com/2025-08-21-a...
AI Bots and Robots.txt
There’s been a lot of discussion lately around AI crawlers and bots, which are used to train LLMs and/or fetch content on behalf of their users. In the past few weeks I’ve seen blog posts about the am...
paulcalvano.com
August 21, 2025 at 12:36 PM
New @httparchive.org analysis about sites adding AI Bots and Crawlers to their robots.txt files. While robots.txt doesn't "block" bots by itself, it's a clear demonstration of the preferences of site owners and the sentiment towards AI crawlers on today's web. paulcalvano.com/2025-08-21-a...
We're please to welcome Nurullah Demir as the newest maintainer of the HTTP Archive project!
Nurullah has helped lead the Web Almanac over the last two years and we look forward to seeing what this year's edition comes up with!
Welcome to the team Nurullah!
Nurullah has helped lead the Web Almanac over the last two years and we look forward to seeing what this year's edition comes up with!
Welcome to the team Nurullah!
June 30, 2025 at 7:46 PM
We're please to welcome Nurullah Demir as the newest maintainer of the HTTP Archive project!
Nurullah has helped lead the Web Almanac over the last two years and we look forward to seeing what this year's edition comes up with!
Welcome to the team Nurullah!
Nurullah has helped lead the Web Almanac over the last two years and we look forward to seeing what this year's edition comes up with!
Welcome to the team Nurullah!
🚨 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/...
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/...
May 19, 2025 at 4:52 AM
🚨 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/...
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/...
Reposted by HTTP Archive 💾
It's that time of year where the web almanac is seeking contributors for the next edition.
It takes a fair amount of work,but it's ridiculously rewarding,
& guaranteed warm fuzzy feelings when you see the chapter you contributed towards published.
I encourage you to give it a go see:
It takes a fair amount of work,but it's ridiculously rewarding,
& guaranteed warm fuzzy feelings when you see the chapter you contributed towards published.
I encourage you to give it a go see:
Contribute to the 2025 Web Almanac · HTTPArchive almanac.httparchive.org · Discussion #4062
Dear all, We are excited to announce the Call for Contributions for the 2025 Web Almanac (6th Edition)! The Web Almanac is an annual report that provides an overview of the state of the web, based ...
github.com
May 15, 2025 at 6:34 PM
It's that time of year where the web almanac is seeking contributors for the next edition.
It takes a fair amount of work,but it's ridiculously rewarding,
& guaranteed warm fuzzy feelings when you see the chapter you contributed towards published.
I encourage you to give it a go see:
It takes a fair amount of work,but it's ridiculously rewarding,
& guaranteed warm fuzzy feelings when you see the chapter you contributed towards published.
I encourage you to give it a go see:
Reposted by HTTP Archive 💾
The @httparchive.org 's Web Almanac is looking for contributors for this year's edition.
github.com/HTTPArchive/...
github.com/HTTPArchive/...
Contribute to the 2025 Web Almanac · HTTPArchive almanac.httparchive.org · Discussion #4062
Dear all, We are excited to announce the Call for Contributions for the 2025 Web Almanac (6th Edition)! The Web Almanac is an annual report that provides an overview of the state of the web, based ...
github.com
April 28, 2025 at 8:09 AM
The @httparchive.org 's Web Almanac is looking for contributors for this year's edition.
github.com/HTTPArchive/...
github.com/HTTPArchive/...
What do you think? Shall we do another Web Almanac this year? Diving deep into all the data we collect to see what’s changing in web trends?
Check out this post if interested in getting involved:
github.com/HTTPArchive/...
Or nominate your favorite experts that you’d love to see author a chapter.
Check out this post if interested in getting involved:
github.com/HTTPArchive/...
Or nominate your favorite experts that you’d love to see author a chapter.
Contribute to the 2025 Web Almanac · HTTPArchive almanac.httparchive.org · Discussion #4062
Dear all, We are excited to announce the Call for Contributions for the 2025 Web Almanac (6th Edition)! The Web Almanac is an annual report that provides an overview of the state of the web, based ...
github.com
April 27, 2025 at 8:13 PM
What do you think? Shall we do another Web Almanac this year? Diving deep into all the data we collect to see what’s changing in web trends?
Check out this post if interested in getting involved:
github.com/HTTPArchive/...
Or nominate your favorite experts that you’d love to see author a chapter.
Check out this post if interested in getting involved:
github.com/HTTPArchive/...
Or nominate your favorite experts that you’d love to see author a chapter.
Reposted by HTTP Archive 💾
Ask me how excited I got seeing @johnmu.com cite my and @tamethebots.com ‘s Page Weight chapter at Search Central Live
March 20, 2025 at 4:32 PM
Ask me how excited I got seeing @johnmu.com cite my and @tamethebots.com ‘s Page Weight chapter at Search Central Live
Reposted by HTTP Archive 💾
Day 010 #100DaysOfPerf: In an apt compliment and follow up to the page weight post, working with media is one rife with challenges. Media loading, media formats, media codecs... But it's what makes the web so valuable.
✨ MEDIA ✨ chapter from the @httparchive.org is another worth checking 🧵⬇️
✨ MEDIA ✨ chapter from the @httparchive.org is another worth checking 🧵⬇️
March 16, 2025 at 4:32 AM
Day 010 #100DaysOfPerf: In an apt compliment and follow up to the page weight post, working with media is one rife with challenges. Media loading, media formats, media codecs... But it's what makes the web so valuable.
✨ MEDIA ✨ chapter from the @httparchive.org is another worth checking 🧵⬇️
✨ MEDIA ✨ chapter from the @httparchive.org is another worth checking 🧵⬇️
Reposted by HTTP Archive 💾
Though I shared a link from the @httparchive.org and the 2024 Web Almanac, sharing a chart from the the actual archive: over 5 yrs, the page weight has grown almost 30%, and there has never been an indication of slowing down. The almanac chapter covers much of the data proving so. 🧵⬇️
March 16, 2025 at 1:30 AM
Though I shared a link from the @httparchive.org and the 2024 Web Almanac, sharing a chart from the the actual archive: over 5 yrs, the page weight has grown almost 30%, and there has never been an indication of slowing down. The almanac chapter covers much of the data proving so. 🧵⬇️
Reposted by HTTP Archive 💾
Web Almanac 2024: JavaScript
@httparchive.org
almanac.httparchive.org/en/2024/java...
#ECMAScript #JavaScript
@httparchive.org
almanac.httparchive.org/en/2024/java...
#ECMAScript #JavaScript
JavaScript | 2024 | The Web Almanac by HTTP Archive
JavaScript chapter of the 2024 Web Almanac covering the usage of JavaScript on the web, libraries and frameworks, compression, web components, and source maps.
almanac.httparchive.org
March 17, 2025 at 11:08 PM
Web Almanac 2024: JavaScript
@httparchive.org
almanac.httparchive.org/en/2024/java...
#ECMAScript #JavaScript
@httparchive.org
almanac.httparchive.org/en/2024/java...
#ECMAScript #JavaScript
Reposted by HTTP Archive 💾
Thoughtful font loading can provide performance benefits. This @httparchive.org Web Almanac FONT chapter surprisingly touches on quite a bit, from formats, sizes and more. You can read it all here:
📚: almanac.httparchive.org/en/2024/fonts
Enjoy! #100DaysOfPerf
📚: almanac.httparchive.org/en/2024/fonts
Enjoy! #100DaysOfPerf
Fonts | 2024 | The Web Almanac by HTTP Archive
Fonts chapter of the 2024 Web Almanac covering where fonts are loaded from, font formats, font loading performance, variable fonts, and color fonts.
almanac.httparchive.org
March 11, 2025 at 8:04 PM
Thoughtful font loading can provide performance benefits. This @httparchive.org Web Almanac FONT chapter surprisingly touches on quite a bit, from formats, sizes and more. You can read it all here:
📚: almanac.httparchive.org/en/2024/fonts
Enjoy! #100DaysOfPerf
📚: almanac.httparchive.org/en/2024/fonts
Enjoy! #100DaysOfPerf