HTTP/3

HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.

frontend36,382 domainshttpwg.org
Stats
Adoption34.1%
Avg confidence100%
30-day trend+36382
Search database

What is HTTP/3?

HTTP/3 is a frontend technology. HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.. Currently detected on 36,382 websites in the Glympt index.

Official website: httpwg.org.

Recently detected on

View all →
chaosboost.com
conf 100%
adblockplus.org
conf 100%
termilla.com
conf 100%
depthcrafts.com
conf 100%
finekitchenandbath.com
US 45%conf 100%
uzunyaylagroup.com
conf 100%
urlcategorizationdatabase.com
conf 100%
instagram.com
GB 55%conf 100%
mcdonnellpaints.ie
conf 100%
jendela360.com
conf 100%

Top countries

BR1111DE965ES809FR1077GB1250IT732NL524PL338SE387US8174

Related technologies

Open Graph
Open Graph is a protocol that is used to integrate any web page into the social graph.
45,685 domains
PWA
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
18,738 domains
RSS
RSS is a family of web feed formats used to publish frequently updated works—such as blog entries, news headlines, audio, and video—in a standardized format.
18,063 domains
Font Awesome
Font Awesome is a font and icon toolkit based on CSS and Less.
17,855 domains
Webpack
Webpack is an open-source JavaScript module bundler.
13,168 domains
Twitter Emoji (Twemoji)
Twitter Emoji is a set of open-source emoticons and emojis for Twitter, TweetDeck, and also for Android and iOS versions of the application.
6,629 domains
YouTube
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.
4,289 domains
Adobe Fonts
Adobe Fonts is a web-based service providing access to a vast library of high-quality fonts for web and print design.
3,846 domains

Frequently used with

Cloudflare30223Drupal Multisite30095Open Graph23888Google Analytics22828Google Tag Manager22391jQuery20536Priority Hints20102Google Trust Services17573PHP15954core-js15437

Frequently asked questions

How does Glympt detect HTTP/3?

By scanning headers, HTML, JS globals, meta tags, and cookies. Detection is automated and non-intrusive.

How accurate?

Confidence averages 100% for HTTP/3. ≥70% is highly reliable.

Can I export?

Yes. Pro and Business plans include CSV export with full filtering.

Refresh rate?

Major sites: ~7 days. Smaller domains: ~30 days. Trigger fresh scans from the dashboard.

Is HTTP/3 trending?

HTTP/3 gained 36382 domains in 30 days.

What is "confidence"?

0–100 score indicating detection certainty. Multiple strong signals = high confidence.