Engintron vs mod_rack
Head-to-head usage across the sites we track.
Top sites by authority
Engintron · mod_rack · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 8+
10
3
Open Page Rank 7+
25
4
Open Page Rank 6+
42
9
Open Page Rank 5+
67
15
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Engintron · mod_rack · share of sites in each country using one or the other
Bosnia & Herzegovina
1,451
9
Croatia
1,376
21
India
1,248
69
Israel
1,051
25
United States
922
119
Brazil
692
49
Uzbekistan
699
15
Serbia
590
13
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Engintron | mod_rack |
|---|---|---|
| LCP | 2.3 s | 1.5 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 1200 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.