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+
3,585
11
Open Page Rank 7+
16,999
30
Open Page Rank 6+
36,992
39
Open Page Rank 5+
72,016
50
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
1,137,483
135
India
533,896
78
Brazil
409,200
48
United Kingdom
387,999
82
Indonesia
291,484
47
Germany
286,932
62
Italy
284,574
62
Canada
281,458
86
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | HTTP/3 | SheerID |
|---|---|---|
| LCP | 1.9 s | 1.9 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0.05 |
| TTFB | 700 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Sep 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 |