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HTTP Archive 💾 @httparchive.org · 16/06/2026

You can also continue to query the dataset, and share your findings with the community—our Slack and discuss.httparchive.org are always open for new posts. 4/4 🏁

discuss.httparchive.org

HTTP Archive

A place to explore and discuss the web performance trends and best practices.

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HTTP Archive 💾 @httparchive.org · 16/06/2026

Meanwhile, the HTTP Archive itself isn’t going anywhere! If you have any burning questions about the state of the web in 2026, you can still add new Wappalyzer detections and custom metrics and add new reports (we encourage you to do so!!). 3/4

discuss.httparchive.org

HTTP Archive

A place to explore and discuss the web performance trends and best practices.

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HTTP Archive 💾 @httparchive.org · 16/06/2026

In the meantime we’re going to chip away at some automation to try to take some of the manual effort out of the onerous data querying part of the project so we can consider picking it up again at some point in the future. 2/4

discuss.httparchive.org

HTTP Archive

A place to explore and discuss the web performance trends and best practices.

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HTTP Archive 💾 @httparchive.org · 16/06/2026

We’ve decided to take another break for the Web Almanac this year. This wasn’t an easy call to make, but we feel it’s the right one given the huge effort the project takes and not wanting to half-commit. There’s a lot going on at the moment and we’re all pretty busy and many of you are too. 1/4 🧵

discuss.httparchive.org

HTTP Archive

A place to explore and discuss the web performance trends and best practices.

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Barry Pollard @tunetheweb.com · 24/03/2026

We just added a Core Web Vitals geographic breakdown to the Core Web Vitals tech report when looking at a single technology httparchive.org/reports/tech... Many thanks to @alonko.bsky.social for contributing this!

Table of Core Web Vitals geographic breakdown ordered by number of origins showing how Core Web Vitals differ by country for a particular technology. For many technologies countries like Japan Germany, and the UK have much better Core Web Vitals than other countries like India and Brazil.

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Web Standards @web-standards.dev · 19/01/2026

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/

Illustration with the text “Web Almanac 2025” and “HTTP Archive’s annual state of the web report”, showing a large document and small characters beside it, and a “Start exploring” button.

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CSS-Tricks* @css-tricks.bsky.social · 16/01/2026

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 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

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Montse Cano @montsecano.bsky.social · 16/01/2026

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

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Bsmth, the bsmth guy @bsmth.de · 16/01/2026

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.

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Matt Wright 🤞 @honed.co · 16/01/2026

Page weights look to be getting worse, due to image formats?...

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Matt Wright 🤞 @honed.co · 16/01/2026

GPTbot is an unpopular visitor then!

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Stefan Judis @stefanjudis.com · 16/01/2026

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! 🧵

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Chris Green SEO @chris-green.net · 16/01/2026

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

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Dave Smart @tamethebots.com · 16/01/2026

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!

almanac.httparchive.org

Page Weight | 2025 | The Web Almanac by HTTP Archive

Page Weight chapter of the 2025 Web Almanac covering why page weight matters, bandwidth, complex pages, page weight over time, page requests, and file formats.

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Christian Liebel @christianliebel.com · 16/01/2026

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

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...

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HTTP Archive 💾 @httparchive.org · 16/01/2026

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

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HTTP Archive 💾 @httparchive.org · 12/01/2026

Got something to share real soon...

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Paul Calvano @paulcalvano.bsky.social · 29/12/2025

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!

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HTTP Archive 💾 @httparchive.org · 15/10/2025

There's still more things we want to add, and please do let us know what YOU want, but we've achieved feature parity with the old report (and then some!) so it's time to make the commitment and move forward! Let us know any issues or requests here: github.com/HTTPArchive/...

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HTTP Archive 💾 @httparchive.org · 15/10/2025

A massive "thank you!" to @fossheim.bsky.social for creating such a beautiful front end, and to @maxostapenko.com for doing all the backend work! 🙏 Thank you both 🙏

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HTTP Archive 💾 @httparchive.org · 15/10/2025

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!

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Paul Calvano @paulcalvano.bsky.social · 21/08/2025

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...

paulcalvano.com

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...

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HTTP Archive 💾 @httparchive.org · 30/06/2025

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!

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HTTP Archive 💾 @httparchive.org · 19/05/2025

🚨 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/...

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Dave Smart @tamethebots.com · 15/05/2025

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:

github.com

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 ...

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HTTP Archive 💾 @httparchive.org · 27/04/2025

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.

github.com

Contribute to the 2025 Web Almanac · HTTPArchive almanac.httparchive.org · Discussion #4062

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Jamie Indigo @not-a-robot.com · 20/03/2025

Ask me how excited I got seeing @johnmu.com cite my and @tamethebots.com ‘s Page Weight chapter at Search Central Live

John Mueller on stage in front of a graph of Page Weight by year

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Henri Helvetica 🧑🏾‍🚀🇭🇹 @henrihelvetica.bsky.social · 16/03/2025

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 🧵⬇️

illustration of an video camera projecting a PLAY BUTTON . caption: "MEDIA"

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Henri Helvetica 🧑🏾‍🚀🇭🇹 @henrihelvetica.bsky.social · 16/03/2025

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. 🧵⬇️

chart indication page weight of desktop and mobile pages between February 1 2020 and February 1 2025

MEDIAN DESKTOP
2678.0 KB
up 28.7%

MEDIAN MOBILE
2409.8 KB
up 27.8%

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Henri Helvetica 🧑🏾‍🚀🇭🇹 @henrihelvetica.bsky.social · 11/03/2025

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

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.

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Henri Helvetica 🧑🏾‍🚀🇭🇹 @henrihelvetica.bsky.social · 11/03/2025

Day 007 #100DaysOfPerf: Since I touched on the @httparchive.org Web Almanac, decided to continue sharing more of their content. A note: The HTTP Archive really started as a way to see how the web was built, and its performance. So it will always have a hint of performance discussion. Today? FONTS 🧵⬇️

Illustration of 'F' font being pushed down a conveyor belt by illustrated characters. Caption "fonts"

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Henri Helvetica 🧑🏾‍🚀🇭🇹 @henrihelvetica.bsky.social · 10/03/2025

🏁 The @httparchive.org Web Almanac's Performance chapter is a comprehensive report on the state of performance on the web, w/ focus on the Core Web Vitals. Shout outs @inesakrap.bsky.social + J. Zigisova for penning the near 8000 word piece. #100DaysOfPerf 📚: almanac.httparchive.org/en/2024/perf...

almanac.httparchive.org

Performance | 2024 | The Web Almanac by HTTP Archive

Performance chapter of the 2024 Web Almanac covering Core Web Vitals, with deep dives into the Largest Contentful Paint, Cumulative Layout Shift, and Interaction to Next Paint metrics and their diagno...

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Henri Helvetica 🧑🏾‍🚀🇭🇹 @henrihelvetica.bsky.social · 10/03/2025

Day 006 #100DaysOfPerf: Let's keep it moving by highlighting a great piece from the @httparchive.org Web Almanac, and their #performance chapter. "No one ever complained about a fast website", is a classic quote over the years, and the Performance Chapter highlights web data and patterns 🧵⬇️

Illustration of a browser window, a stopwatch, and some resources. Caption: "part two, chapter 9, performance."

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HTTP Archive 💾 @httparchive.org · 04/03/2025

So they may be the same as desktop pages, they may be responsive and deliver different content to mobiles (based on user-agent, or viewport size), or they may be mobile-optimized sites not visited by desktop devices (e.g. m.facebook.com).

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HTTP Archive 💾 @httparchive.org · 04/03/2025

We get a list of origins visited by mobile devices (based on user-agent) from the Chrome User Experience Report (CrUX). We then crawl them with mobile viewport, mobile user agent, and 4G setting as detailed in our methodology: almanac.httparchive.org/en/2024/meth...

almanac.httparchive.org

Methodology | The Web Almanac by HTTP Archive

Describes how the 2024 Web Almanac was put together: The Datasets and Tools used and how the project was run.

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HTTP Archive 💾 @httparchive.org · 03/03/2025

An enormous thanks to all 88 contributors who made the 2024 edition possible. And we've already started talking about a 2025 edition. Check out our GitHub repo to get a sense of the project, and there's an interest form if you want to help build the 2025 edition: github.com/HTTPArchive/...

github.com

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HTTP Archive 💾 @httparchive.org · 03/03/2025

That marks the end of the 2024 Web Almanac. A little later than usual but worth it in the end. And also means the ebook is now available: almanac.httparchive.org/en/2024/tabl... 754 pages jam packed with all sorts of nerdy goodness!!!

almanac.httparchive.org

Table of Contents | Web Almanac 2024

Table of Contents for the 2024 Web Almanac, listing each section: Page Contents, User Experience, Content Publishing, Content Distribution.

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Tammy Everts 🍁 @tammyeverts.com · 05/02/2025

I recently published my annual dive into the @httparchive.org, focusing on page growth, #webperf and #ux: www.speedcurve.com/blog/page-bl... A common question is "How big SHOULD my pages be?" According to analysis by @infrequently.org, the ideal page should be <1.4 MB with <365 KB coming from JS.

A table that gives ideal versus actual page size and JavaScript size:

The ideal JS weight is under 365 kilobytes. The actual median JS weight is 650 kilobytes. The actual JS weight at the 90th percentile is 1825 kilobytes.

The ideal total page weight is under 1.4 megabytes. The actual median page weight is 2.6 megabytes. The actual JS weight at the 90th percentile is 11.1 megabytes.

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Tammy Everts 🍁 @tammyeverts.com · 29/01/2025

Just published the results of my annual dive into the @httparchive.org. Key findings: 😱 Med page has grown 8% 😱 90p page has grown 24% 😱 90p mobile page is 10MB 😱 Main culprits: JS & video Dig in & learn what your page size targets should be and how to hit them: www.speedcurve.com/blog/page-bl...

speedcurve.com

SpeedCurve | Page bloat update: How does ever-increasing page size affect your business and your users?

The median web page has grown 8% in one year. How does this affect your Core Web Vitals, your search rank, your business and your users?

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Dave Smart @tamethebots.com · 15/01/2025

Great episode search news from @johnmu.com, and honoured to see a shout out for the @httparchive.org web almanac SEO chapter! youtu.be/tVSasQC6G_k?...

youtu.be

The Current State of SEO, Revamped Search Console Emails, and more! (January ‘25)

YouTube video by Google Search Central

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Henri Helvetica 🧑🏾‍🚀🇭🇹 @henrihelvetica.bsky.social · 13/01/2025

HTTP/1.1/2/3 are all present in unison on the web today, w/ a 21/70/9 split. Or is it? @programmingart.bsky.social will shed the light on the @httparchive.org Web Almanac data, and the reality of the protocol's adoption. Join us to hear him share findings this Thursday 🔗 ⬇️ bsky.app/profile/henr...

Http version usage per website
on desktop: 22%, H1, 71% H2, 7%, H3
on Mobile: 21%, H1, 70% H2, 9%, H3

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Henri Helvetica 🧑🏾‍🚀🇭🇹 @henrihelvetica.bsky.social · 09/01/2025

One of the @httparchive.org Web Almanac chapters we'll explore next week is SEO. Some interesting notes: 🔸 14% of Robot TXT files return as 404 🤯 (1 in 7) 🔸 10%+ of pages have invalid elements in the <head> which has important consequences. 🔹 Find out why + more 1 week today 🔗 See pinned tweet

an illustration of a search bar and web pages.

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Henri Helvetica 🧑🏾‍🚀🇭🇹 @henrihelvetica.bsky.social · 10/01/2025

🕵🏾 PRIVACY. How many of you consider it OR even know what's happening? Some data: 🔸 94% of 📲 sites have 1 tracker 🔸 1/4 have 10 🔸 ~10% have anywhere from 55-85 🤯 Luckily, Thursday next week, we'll walk through the Privacy chapter from the @httparchive.org Web Almanac. (pinned post for links)

A chart showing the distribution of trackers per page. Starting at one tracker for 94% of mobile pages, down to as much as 20 trackers for just under 25% of mobile pages.

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Henri Helvetica 🧑🏾‍🚀🇭🇹 @henrihelvetica.bsky.social · 11/01/2025

📊 One of the @httparchive.org Web Almanac chapters we're discussing next week: COOKIES: 🔸 ~61% of sites use 3rd 🍪. top 100k? ~73%-77%. 🔸 How are are we bring tracked? Yana Dimova will share the data w/ us! 📆 Thu Jan 16 ⏰ 14h EST, everytimezone.com/s/6e8b3a3d more info in pinned post.

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Jack Chambers-Ward @jlwchambers.bsky.social · 06/01/2025

We're kicking off 2025 in style on Search With Candour with the inimitable @not-a-robot.com 🙌 Jamie joins me to dish all the details about the SEO chapter of @httparchive.org's The Web Almanac. We discuss everything from robots.txt to core web vitals, canonical tags & much more! Episode out now!

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