mod_dav vs mod_fastcgi
Head-to-head usage across the sites we track.
Top sites by authority
mod_dav · mod_fastcgi · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 8+
28
12
Open Page Rank 7+
72
21
Open Page Rank 6+
107
32
Open Page Rank 5+
139
40
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
mod_dav · mod_fastcgi · share of sites in each country using one or the other
United States
1,018
277
South Korea
1,151
72
Japan
885
107
India
575
124
Germany
522
168
Spain
424
209
Indonesia
529
95
United Kingdom
456
135
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mod_dav | mod_fastcgi |
|---|---|---|
| LCP | 1.3 s | 1.6 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 700 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.
mod_fastcgi to mod_dav
| Domain | When |
|---|---|
| hotelmaspalomas.net | Mar 2026 |