
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
HTTP Archive 💾 retweeted
Replying to @HTTPArchive
@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-a…
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!
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!
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
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
1️⃣3️⃣ Cookies in 2024
🍪 Tracking is still common :/
📊 61% of cookies are third-party.
🔒 11% of first-party cookies use SameSite=None.
By Yohan Beugin, @SW12, Yana Dimova, @rowan_m, @tunetheweb
Full report: almanac.httparchive.org/en/2…
#Cookies #WebCookies #Tracking #Trackers
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
HTTP Archive 💾 retweeted
9️⃣ CMS in 2024
🖥️ CMS platforms continue to dominate:
📱 49% of mobile sites use a CMS.
🌟 36% of mobile sites rely on WordPress.
📊 WordPress holds 72% of the CMS market share.
by @sirjonathan, Lora Raykova, Niko Kaleev, @raemoreywrites, Dan Knauss, @nrllah, @tunetheweb
More: almanac.httparchive.org/en/2…
#CMS #WordPress #Wix #Joomla
HTTP Archive 💾 retweeted
8️⃣ Performance in 2024
🚀 Web performance is improving:
📱 43% of mobile sites have good CWV scores (INP is 5% lower than FID).
❌ 15% misuse lazy-loading on LCP.
by @Jevgeniazi, @InesAkrap, @rick_viscomi, S. Karamalegos, @imkevdev, @guaca, @CherryJimbo
Full report: almanac.httparchive.org/en/2…
#Performance #WebPerformance
HTTP Archive 💾 retweeted
7️⃣ Third-Parties in 2024
📊 Third parties dominate web interactions:
🌐 92% of web pages include one or more third parties.
📈 Median third-party requests per page: 78.
📦 Median third-party domains per page: 22.
By @_tobiasu, @vekariayash, @zubair_shafiq, Chris Böttger, @tunetheweb
Full report: almanac.httparchive.org/en/2…
#Thirdparty #3rdparties #Tracking #Tracker #Ads
HTTP Archive 💾 retweeted
6️⃣ Fonts in 2024
📊 Fonts are evolving with new trends:
🖋️ 11% of pages use resource hints to preload fonts.
🆙 55% of fonts support OpenType features.
🌍 34% of pages use variable fonts.
by @Bram_Stein, @cberret, D. Röttsches, @svgeesus, @Ivan_Ukhov, @jmsoleb, Liam Quin, @Mandy_Kerr, @raphlinus
Full report: almanac.httparchive.org/en/2…
#Fonts #GoogleFonts #WebFonts
HTTP Archive 💾 retweeted
5️⃣ Structured Data in 2024
📊 The web is becoming smarter with structured data:
🆙 7% growth in JSON-LD adoption (2022–2024).
📄 64% of pages implement Open Graph data.
🐦 45% of pages use Twitter (X) structured data.
By @cyberandy, @JarnoVanDriel, @rrlevering, @nrllah, James Gallagher
Full report: almanac.httparchive.org/en/2…
#StructuredData #AI #Crawling
HTTP Archive 💾 retweeted
HTTP Archive 💾 retweeted
3️⃣ Accessibility in 2024
🌐 Accessibility gaps remain despite progress:
🔎 40% of sites misuse roles.
📊 Only 57% of sites pass heading tests.
By @civicactions, @hdv, @b_atish, @katekalcevich, @levelaccessa11y, J. Pagel, J. Avila, S. Hantsis
Full report: almanac.httparchive.org/en/2…
#Accessibility #WebAccessibility
HTTP Archive 💾 retweeted
2️⃣Sustainability in 2024
🌱Progress toward a sustainable web is slow:
♻️14% of sites use sustainable hosting
🌍1.36 gCO2 for top 10% pages
by L.Satyagraha, @burakGuneli, @InesAkrap,@AlexDawsonUK, @civicactions,@timfrick,@lebreRafael, L.Harcegova
Full report: almanac.httparchive.org/en/2…
#Sustainability #WebSustainability





















