HTTP/3 vs Libravatar
Head-to-head usage across the sites we track.
Top sites by authority
HTTP/3 · Libravatar · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
208
2
Open Page Rank 8+
3,591
4
Open Page Rank 7+
17,002
6
Open Page Rank 6+
36,960
6
Open Page Rank 5+
72,129
6
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 · Libravatar · share of sites in each country using one or the other
United States
1,141,651
15
India
531,962
11
Brazil
414,021
10
United Kingdom
386,042
8
Indonesia
294,061
9
Germany
289,537
8
Canada
280,974
8
Italy
273,070
9
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | HTTP/3 | Libravatar |
|---|---|---|
| LCP | 1.9 s | 1.9 s |
| INP | 75 ms | 75 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.