mod_auth_pam vs mod_ssl
Head-to-head usage across the sites we track.
Top sites by authority
mod_auth_pam · mod_ssl · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
2
Open Page Rank 8+
0
41
Open Page Rank 7+
2
123
Open Page Rank 6+
2
195
Open Page Rank 5+
3
268
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
mod_auth_pam · mod_ssl · share of sites in each country using one or the other
Japan
9
2,600
United States
33
2,033
South Korea
1
1,818
India
4
1,084
Germany
1
1,087
France
1
956
United Kingdom
3
924
Indonesia
3
884
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mod_auth_pam | mod_ssl |
|---|---|---|
| LCP | 1.4 s | 1.5 s |
| INP | 0 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 600 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.