mod_perl vs mod_rack
Head-to-head usage across the sites we track.
Top sites by authority
mod_perl · mod_rack · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
5
0
Open Page Rank 8+
110
4
Open Page Rank 7+
281
6
Open Page Rank 6+
388
11
Open Page Rank 5+
511
18
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_rack · share of sites in each country using one or the other
United States
2,270
136
India
1,325
64
Japan
1,264
93
Indonesia
1,193
60
Germany
984
65
United Kingdom
968
73
France
850
53
Canada
817
56
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mod_perl | mod_rack |
|---|---|---|
| LCP | 1.5 s | 1.4 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 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_perl to mod_rack
| Domain | When |
|---|---|
| aegeanhotels.net | Dec 2025 |
| hotelsrigalv.com | Nov 2025 |
| marrakeshotels.com | Nov 2025 |
mod_rack to mod_perl
| Domain | When |
|---|---|
| pune-hotels.com | Jan 2026 |