Apache HTTP Server vs H2O
Head-to-head usage across the sites we track.
Top sites by authority
Apache HTTP Server · H2O · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
88
0
Open Page Rank 8+
2,463
0
Open Page Rank 7+
11,758
0
Open Page Rank 6+
25,301
2
Open Page Rank 5+
49,150
3
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Apache HTTP Server · H2O · share of sites in each country using one or the other
United States
388,136
5
Germany
356,560
9
Japan
268,830
29
France
241,071
3
India
196,107
5
Brazil
167,215
2
Spain
165,938
3
United Kingdom
154,333
3
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Apache HTTP Server | H2O |
|---|---|---|
| LCP | 1.8 s | 1.6 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 600 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.
H2O to Apache HTTP Server
| Domain | When |
|---|---|
| hotels-salzburg.org | Dec 2025 |
| bestathenshotel.com | Dec 2025 |