mod_perl vs mod_python
Head-to-head usage across the sites we track.
Top sites by authority
mod_perl · mod_python · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
4
0
Open Page Rank 8+
102
9
Open Page Rank 7+
263
15
Open Page Rank 6+
351
23
Open Page Rank 5+
457
28
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
mod_perl · mod_python · share of sites in each country using one or the other
United States
1,857
212
India
1,162
131
Japan
1,045
168
Indonesia
1,018
133
Germany
828
189
United Kingdom
840
126
Italy
676
186
France
704
126
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mod_perl | mod_python |
|---|---|---|
| LCP | 1.5 s | 1.6 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 700 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.