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
2
Open Page Rank 8+
14
41
Open Page Rank 7+
24
123
Open Page Rank 6+
35
195
Open Page Rank 5+
45
268
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
109
2,600
United States
273
2,033
South Korea
67
1,818
Germany
171
1,087
India
122
1,084
France
137
956
United Kingdom
134
924
Spain
198
838
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mod_fastcgi | mod_ssl |
|---|---|---|
| LCP | 1.7 s | 1.5 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 800 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.
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 |