mod_fastcgi vs mod_ssl
Head-to-head usage across the sites we track.
Top sites by authority
mod_fastcgi · mod_ssl · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
1
Open Page Rank 8+
12
37
Open Page Rank 7+
21
115
Open Page Rank 6+
32
182
Open Page Rank 5+
40
254
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
mod_fastcgi · mod_ssl · share of sites in each country using one or the other
Japan
107
2,538
United States
277
2,061
South Korea
72
1,782
Germany
168
1,065
India
124
1,063
France
139
986
Spain
209
899
United Kingdom
135
912
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mod_fastcgi | mod_ssl |
|---|---|---|
| LCP | 1.6 s | 1.5 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 700 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.
mod_ssl to mod_fastcgi
| Domain | When |
|---|---|
| hotelsammanjordan.com | Dec 2025 |