OpenResty vs Zend
Head-to-head usage across the sites we track.
Top sites by authority
OpenResty · Zend · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
31
1
Open Page Rank 8+
508
5
Open Page Rank 7+
1,681
9
Open Page Rank 6+
2,892
15
Open Page Rank 5+
4,539
21
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
OpenResty · Zend · share of sites in each country using one or the other
United States
43,802
125
Czechia
25,029
18
South Korea
24,932
23
India
22,734
59
Slovakia
22,400
9
Russia
17,287
45
Germany
15,995
59
Vietnam
14,913
47
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | OpenResty | Zend |
|---|---|---|
| LCP | 1.8 s | 1.5 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 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.