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
14
Open Page Rank 7+
72
24
Open Page Rank 6+
113
35
Open Page Rank 5+
146
45
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
1,009
273
South Korea
1,167
67
Japan
894
109
India
584
122
Germany
535
171
Indonesia
539
102
United Kingdom
450
134
Spain
381
198
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mod_dav | mod_fastcgi |
|---|---|---|
| LCP | 1.3 s | 1.7 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 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.
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 |