HTTP/3 vs Sprig plugin
Head-to-head usage across the sites we track.
Top sites by authority
HTTP/3 · Sprig plugin · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
217
0
Open Page Rank 8+
3,633
6
Open Page Rank 7+
17,286
18
Open Page Rank 6+
37,596
45
Open Page Rank 5+
73,412
102
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 · Sprig plugin · share of sites in each country using one or the other
United States
1,284,004
328
India
592,975
117
United Kingdom
436,501
284
Brazil
418,679
44
Indonesia
328,375
41
Canada
321,328
116
Germany
316,957
163
Italy
305,727
73
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | HTTP/3 | Sprig plugin |
|---|---|---|
| LCP | 1.9 s | 1.7 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 900 ms |
Median site's p75 values from the Chrome UX Report, Jun 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 Sprig plugin
| Domain | When |
|---|---|
| nerotapware.com.au | Dec 2025 |
Sprig plugin to HTTP/3
| Domain | When |
|---|---|
| kubrickgroup.com | Oct 2025 |