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
4
Open Page Rank 7+
29
6
Open Page Rank 6+
47
11
Open Page Rank 5+
73
18
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
1,608
9
Croatia
1,546
18
India
1,453
64
Israel
1,265
25
United States
1,028
136
Brazil
803
63
Uzbekistan
849
16
Serbia
672
18
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Engintron | mod_rack |
|---|---|---|
| LCP | 2.3 s | 1.4 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 1300 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.