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
5
Open Page Rank 8+
14
109
Open Page Rank 7+
24
279
Open Page Rank 6+
35
376
Open Page Rank 5+
45
487
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
273
1,871
India
122
1,171
Japan
109
1,042
Indonesia
102
1,008
Germany
171
828
United Kingdom
134
837
Spain
198
627
France
137
688
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mod_fastcgi | mod_perl |
|---|---|---|
| LCP | 1.7 s | 1.5 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.
mod_fastcgi to mod_perl
| Domain | When |
|---|---|
| warsawhotels.net | Nov 2025 |
mod_perl to mod_fastcgi
| Domain | When |
|---|---|
| hotelsantwerp.net | Nov 2025 |