Public dataset that tracks how the web is built. Maintained by @patmeenan @paulcalvano @tunetheweb @themax_o and @nrllah
Joined April 2011
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Pinned Tweet
The 2025 Web Almanac by HTTP Archive has been officially released! ๐
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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HTTP Archive ๐พ retweeted
Mar 26
Check out the new geo-breakdown in the @HTTPArchive CWV Tech Report! httparchive.org/reports/techโฆ
Geography heavily impacts CWVs.
Recent Wix mobile data shows ๐จ๐ฆ(93%), ๐ฏ๐ต(92%), ๐บ๐ธ๐ฌ๐ง๐ฉ๐ช(90%) with high pass rates, while ๐ง๐ท(69%) & ๐ฎ๐ณ(51%) face tougher real-world conditions #WebPerf @Wix
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HTTP Archive ๐พ retweeted
21 Aug 2025
@HTTPArchive 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-aโฆ
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30 Jun 2025
We're please to welcome @nrllah 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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19 May 2025
๐จ Calling all web experts! ๐จ
The 2025 Web Almanac is still open for contributors!
Know someone perfect for it? Mention them here and help us reach the right folks. ๐
๐ข Please help us spread the word!
๐ Learn more: github.com/HTTPArchive/almanโฆ
ALT Call for contributors for the Web Almanac 2025
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27 Apr 2025
What do you think? Shall we do another Web Almanac this year? Diving deep into all the data we collect to see whatโs changing in web trends?
Check out this post if interested in getting involved:
github.com/HTTPArchive/almanโฆ
Or nominate your favorite expert to author the chapters!
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3 Mar 2025
We've just published the 19th and final chapter of the 2024 Web Almanac on JavaScript by @haddiamjad and @TheNishuGoel
almanac.httparchive.org/en/2โฆ
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3 Mar 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/2โฆ
754 pages jam packed with all sorts of nerdy goodness!!!
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3 Mar 2025
An enormous thanks to all 88 contributors who made the 2024 edition possible.
We've already started talking about the next edition. Check out our GitHub repo where there's an interest form if you want to help build the 2025 edition:
github.com/HTTPArchive/almanโฆ
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16 Jan 2025
Just about to start...
We're not in Kansas anymore. The web is... complicated. Let's talk about some of the parts.
โจ The Web Almanac LIVE STREAM II โจ featuring Chapters :
๐ธ SEO
๐ธ Privacy
๐ธ HTTP
๐ธ Cookies
๐ธ 3rd Parties
๐ Thursday, January 16th
โฐ 14h EST, everytimezone.com/s/6e8b3a3d
๐ youtube.com/live/zCiMls26CL8โฆ
This is all per the Web Almanac's gathered data. Join us, and slack a friend. We'll have a fun chat. RT? โจ๐๐พโจ
ALT Web Almanac By HTTP Archive THE WEB ALMANAC LIVE STREAM! Il. The Avatar of the host The avatars for 6 persons. ONLINE JANUARY 16, THURSDAY time: 14h EST, 11h PST, 20h CET. who: the authors!
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HTTP Archive ๐พ retweeted
Speaking of the Web Almanac, during the holidays, a few more chapters were published:
๐ธ Media: almanac.httparchive.org/en/2โฆ
๐ธ Page Weight: almanac.httparchive.org/en/2โฆ
Both are ready to be read now, so enjoy!
ALT illustration of a weight scale
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HTTP Archive ๐พ retweeted
๐๏ธ New year, more new content. We are continuing to explore data content w/ the next stream:
โจ The Web Almanac LIVE STREAM II โจ
๐ Thursday, January 16th
โฐ 14h EST, everytimezone.com/s/6e8b3a3d
๐: youtube.com/live/zCiMls26CL8โฆ
@HTTPArchive's Web Almanac discussions will include this time around:
SEO, Privacy, HTTP, Cookies 3rd Parties.
Join us for this discussion Q&A!
ALT Web Almanac By HTTP Archive THE WEB ALMANAC LIVE STREAM! Il Web Insights, Live and Personal - From Project Origins to Chapter Highlights! ONLINE JANUARY 16, THURSDAY time: 14h EST, 11h PST, 20h CET. who: the authors!
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The #WebAlmanac 2024 from @HTTPArchive is here! ๐ Discover the latest trends shaping the ever-evolving world of #WebDevelopment. Watch @_clarkio's recent video to learn more about the most important asset for developers. youtu.be/v43vWxbALFA
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30 Dec 2024
The Page Weight chapter authored by @davewsmart and @Jammer_Volts becomes the 18th and penultimate chapter in the 2024 Web Almanac:
almanac.httparchive.org/en/2โฆ
What do you thinkโare websites getting bigger or smaller as time goes on?
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29 Dec 2024
Just launched the Media chapter of the 2024 Web Almanac written by @stefanjudis and @etportis
almanac.httparchive.org/en/2โฆ
Check it out to see the state of images and video on the web today!!
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29 Dec 2024
We've two more chapters to come (Page Weight and JavaScript) before we'll be closing out the 2024 Web Almanac and start deciding if there's interest in doing it all again next year!
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HTTP Archive ๐พ retweeted
5 Dec 2024
1๏ธโฃ5๏ธโฃ SEO in 2024
๐ Key insights into web content and AI-driven indexing:
๐ 70% of pages have <h1> elements, but 6% are empty.
๐ค 2.7% of pages include GPTBot directives in robots.txtโthe most common AI crawler.
โ 28% of desktop pages have invalid <head> elements due to <img> issues.
By @jammer_Volts, @davewsmart, @miknaraujo, @MichaelLewittes, @tunetheweb, @henryprice1
Full report: almanac.httparchive.org/en/2โฆ
#SEO #WebSeo #SearchEngines
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HTTP Archive ๐พ retweeted
5 Dec 2024
1๏ธโฃ4๏ธโฃ Privacy in 2024
๐ก๏ธ Privacy practices are shifting: Facebook is moving from third-party to first-party cookies
๐ 63% of pages adopt the Protected Audience API.
๐ช 14.3% of pages include Facebookโs first-party cookie.
๐ The most common number of trackers per page is 3.
by @vekariayash, Benjamin Standaert, @themax_o, @haddiamjad, Yana Dimova, @shaoor_munir, Chris Bรถttger, @umaarr6, Alberto Fernandez-de-Retana
Full report: almanac.httparchive.org/en/2โฆ
#Privacy #WebPrivacy #Tracking #Trackers #Fignerprinting #GoogleSandbox
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HTTP Archive ๐พ retweeted
5 Dec 2024
1๏ธโฃ3๏ธโฃ Cookies in 2024
๐ช Tracking is still common :/
๐ 61% of cookies are third-party.
๐ 11% of first-party cookies use SameSite=None.
By Yohan Beugin, @SW12, Yana Dimova, @rowan_m, @tunetheweb
Full report: almanac.httparchive.org/en/2โฆ
#Cookies #WebCookies #Tracking #Trackers
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HTTP Archive ๐พ retweeted
5 Dec 2024
1๏ธโฃ2๏ธโฃ CDN in 2024
๐ย CDNs are transforming the web:
๐ 70% of the top 1,000 sites use a CDN.
โก 3x faster TLS negotiation at p90 with CDNs.
๐๏ธ 56% of domains use Brotli compression via CDNs.
By J. Viggiano, J. Girinatha, A. Moening, C. Scholles
More: almanac.httparchive.org/en/2โฆ
#CDN #CDNMedia
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