HTTP/3 vs SheerID
Head-to-head usage across the sites we track.
Top sites by authority
HTTP/3 · SheerID · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
208
3
Open Page Rank 8+
3,591
9
Open Page Rank 7+
17,002
25
Open Page Rank 6+
36,960
33
Open Page Rank 5+
72,129
44
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
HTTP/3 · SheerID · share of sites in each country using one or the other
United States
1,141,651
129
India
531,962
77
Brazil
414,021
49
United Kingdom
386,042
80
Indonesia
294,061
46
Germany
289,537
64
Canada
280,974
86
Italy
273,070
56
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | HTTP/3 | SheerID |
|---|---|---|
| LCP | 1.9 s | 2 s |
| INP | 75 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
SheerID to HTTP/3
| Domain | When |
|---|---|
| talladegasuperspeedway.com | Jul 2026 |
| gitlab.com | Dec 2025 |