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+
29
1
Open Page Rank 8+
493
3
Open Page Rank 7+
1,624
8
Open Page Rank 6+
2,766
12
Open Page Rank 5+
4,340
18
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
42,667
123
South Korea
25,476
25
Czechia
25,453
18
Slovakia
22,904
8
India
22,436
63
Russia
17,569
42
Germany
15,296
56
Vietnam
14,576
50
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | OpenResty | Zend |
|---|---|---|
| LCP | 1.7 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, 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.