H2O vs OpenResty
Head-to-head usage across the sites we track.
Top sites by authority
H2O · OpenResty · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
31
Open Page Rank 8+
0
508
Open Page Rank 7+
0
1,681
Open Page Rank 6+
2
2,892
Open Page Rank 5+
3
4,539
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
H2O · OpenResty · share of sites in each country using one or the other
United States
5
43,802
Czechia
1
25,029
South Korea
1
24,932
India
6
22,734
Slovakia
2
22,400
Russia
1
17,287
Germany
9
15,995
Vietnam
1
14,913
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | H2O | OpenResty |
|---|---|---|
| LCP | 1.5 s | 1.8 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 550 ms | 700 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.