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+
9
3
Open Page Rank 7+
22
5
Open Page Rank 6+
39
10
Open Page Rank 5+
66
13
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
1,391
5
Croatia
1,355
18
India
1,224
66
United States
1,042
121
Israel
974
23
Uzbekistan
752
17
Brazil
651
51
Serbia
584
11
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Engintron | mod_rack |
|---|---|---|
| LCP | 2.2 s | 1.4 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 1200 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.