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+
1
1
Open Page Rank 8+
16
46
Open Page Rank 7+
25
136
Open Page Rank 6+
38
212
Open Page Rank 5+
49
299
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
136
3,079
United States
315
2,338
South Korea
82
2,113
Germany
189
1,266
India
145
1,219
France
170
1,150
Spain
239
976
Italy
177
1,030
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 | 700 ms | 600 ms |
Median site's p75 values from the Chrome UX Report, Jun 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 |