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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HTTP Archive 💾 retweeted
If you tell a browser to cache something for 60s, but also serve an Age header >60s, it's stale on arrival and revalidated before it can be reused. 13.7% of the 15.3M sites measured in the @HTTPArchive do this! paulcalvano.com/2026-09-05-r…
HTTP Archive 💾 retweeted
Check out the new geo-breakdown in the @HTTPArchive CWV Tech Report! httparchive.org/reports/tech…
Geography heavily impacts CWVs.
Recent Wix mobile data shows 🇨🇦(93%), 🇯🇵(92%), 🇺🇸🇬🇧🇩🇪(90%) with high pass rates, while 🇧🇷(69%) & 🇮🇳(51%) face tougher real-world conditions #WebPerf @Wix
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
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!
🚨 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…
ALT Call for contributors for the Web Almanac 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/alman…
Or nominate your favorite expert to author the chapters!
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/2…
754 pages jam packed with all sorts of nerdy goodness!!!
We've just published the 19th and final chapter of the 2024 Web Almanac on JavaScript by @haddiamjad and @TheNishuGoel
almanac.httparchive.org/en/2…
Just about to start...
We're not in Kansas anymore. The web is... complicated. Let's talk about some of the parts.
✨ The Web Almanac LIVE STREAM II ✨ featuring Chapters :
🔸 SEO
🔸 Privacy
🔸 HTTP
🔸 Cookies
🔸 3rd Parties
📆 Thursday, January 16th
⏰ 14h EST, everytimezone.com/s/6e8b3a3d
🔗 youtube.com/live/zCiMls26CL8…
This is all per the Web Almanac's gathered data. Join us, and slack a friend. We'll have a fun chat. RT? ✨🙏🏾✨
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!
HTTP Archive 💾 retweeted
Speaking of the Web Almanac, during the holidays, a few more chapters were published:
🔸 Media: almanac.httparchive.org/en/2…
🔸 Page Weight: almanac.httparchive.org/en/2…
Both are ready to be read now, so enjoy!
ALT illustration of a weight scale
HTTP Archive 💾 retweeted
🎙️ New year, more new content. We are continuing to explore data + content w/ the next stream:
✨ The Web Almanac LIVE STREAM II ✨
📆 Thursday, January 16th
⏰ 14h EST, everytimezone.com/s/6e8b3a3d
🔗: youtube.com/live/zCiMls26CL8…
@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!
HTTP Archive 💾 retweeted
The #WebAlmanac 2024 from @HTTPArchive is here! 🔍 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
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/2…
What do you think—are websites getting bigger or smaller as time goes on?
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!
Just launched the Media chapter of the 2024 Web Almanac written by @stefanjudis and @etportis
almanac.httparchive.org/en/2…
Check it out to see the state of images and video on the web today!!
HTTP Archive 💾 retweeted
1️⃣5️⃣ SEO in 2024
🔍 Key insights into web content and AI-driven indexing:
📊 70% of pages have elements, but 6% are empty.
🤖 2.7% of pages include GPTBot directives in robots.txt—the most common AI crawler.
❌ 28% of desktop pages have invalid elements due to
elements, but 6% are empty.
🤖 2.7% of pages include GPTBot directives in robots.txt—the most common AI crawler.
❌ 28% of desktop pages have invalid elements due to ![]()
issues.
By @jammer_Volts, @davewsmart, @miknaraujo, @MichaelLewittes, @tunetheweb, @henryprice1
Full report: almanac.httparchive.org/en/2…
#SEO #WebSeo #SearchEngines
HTTP Archive 💾 retweeted
1️⃣4️⃣ Privacy in 2024
🛡️ Privacy practices are shifting: Facebook is moving from third-party to first-party cookies
📊 63% of pages adopt the Protected Audience API.
🍪 14.3% of pages include Facebook’s first-party cookie.
🔍 The most common number of trackers per page is 3.
by @vekariayash, Benjamin Standaert, @themax_o, @haddiamjad, Yana Dimova, @shaoor_munir, Chris Böttger, @umaarr6, Alberto Fernandez-de-Retana
Full report: almanac.httparchive.org/en/2…
#Privacy #WebPrivacy #Tracking #Trackers #Fignerprinting #GoogleSandbox
HTTP Archive 💾 retweeted
1️⃣2️⃣ CDN in 2024
🌐 CDNs are transforming the web:
📊 70% of the top 1,000 sites use a CDN.
⚡ 3x faster TLS negotiation at p90 with CDNs.
🗜️ 56% of domains use Brotli compression via CDNs.
By J. Viggiano, J. Girinatha, A. Moening, C. Scholles
More: almanac.httparchive.org/en/2…
#CDN #CDNMedia
HTTP Archive 💾 retweeted
1️⃣1️⃣ Jamstack in 2024
🚀 Static and prerendered architectures are thriving:
📊 43% of prerendered sites are smaller than dynamic ones.
⚡ Astro saw 3x growth in prerendered sites in 2024.
💻 Prerendered sites use 42% less JavaScript than dynamic ones.
By @mikeneumegen, @thomkrupa, @guaca, @avidlarge
Full report: almanac.httparchive.org/en/2…
#Jamtstack
HTTP Archive 💾 retweeted
🔟 Ecommerce in 2024
🛒 Ecommerce continues to evolve, dominated by key players:
📦 37% of ecommerce sites use WooCommerce.
💳 Only 3.5% offer PayPal as a payment method.
By Johathan Pagel, @nrllah, Niko Kaleev
Full report: almanac.httparchive.org/en/2…
#Ecommerce
