mod_fastcgi vs mod_perl
Head-to-head usage across the sites we track.
Top sites by authority
mod_fastcgi · mod_perl · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
4
Open Page Rank 8+
14
102
Open Page Rank 7+
23
263
Open Page Rank 6+
34
351
Open Page Rank 5+
42
457
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_perl · share of sites in each country using one or the other
United States
277
1,857
India
124
1,162
Japan
107
1,045
Indonesia
95
1,018
Germany
168
828
United Kingdom
135
840
Spain
209
677
France
139
704
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mod_fastcgi | mod_perl |
|---|---|---|
| LCP | 1.6 s | 1.5 s |
| INP | 75 ms | 75 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_fastcgi to mod_perl
| Domain | When |
|---|---|
| warsawhotels.net | Nov 2025 |
mod_perl to mod_fastcgi
| Domain | When |
|---|---|
| hotelsantwerp.net | Nov 2025 |