mod_fastcgi vs OpenSSL
Head-to-head usage across the sites we track.
Top sites by authority
mod_fastcgi · OpenSSL · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
37
Open Page Rank 8+
14
748
Open Page Rank 7+
24
2,406
Open Page Rank 6+
35
4,113
Open Page Rank 5+
45
6,465
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 · OpenSSL · share of sites in each country using one or the other
United States
273
29,654
Japan
109
22,526
India
122
16,898
Brazil
96
12,786
Germany
171
11,844
United Kingdom
134
11,237
South Korea
67
11,243
Italy
148
11,018
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mod_fastcgi | OpenSSL |
|---|---|---|
| LCP | 1.7 s | 1.7 s |
| INP | 75 ms | 75 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.
OpenSSL to mod_fastcgi
| Domain | When |
|---|---|
| malagahotels.net | Dec 2025 |
| hotelsammanjordan.com | Dec 2025 |