HTTP/3 vs SobiPro
Head-to-head usage across the sites we track.
Top sites by authority
HTTP/3 · SobiPro · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
208
0
Open Page Rank 8+
3,591
0
Open Page Rank 7+
17,002
0
Open Page Rank 6+
36,960
0
Open Page Rank 5+
72,129
1
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 · SobiPro · share of sites in each country using one or the other
United States
1,141,651
6
India
531,962
1
Brazil
414,021
36
United Kingdom
386,042
5
Indonesia
294,061
1
Germany
289,537
10
Canada
280,974
2
Italy
273,070
4
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | HTTP/3 | SobiPro |
|---|---|---|
| LCP | 1.9 s | 2.6 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 1550 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.
HTTP/3 to SobiPro
| Domain | When |
|---|---|
| porteirinha.mg.gov.br | Oct 2025 |