OpenResty vs Uvicorn
Head-to-head usage across the sites we track.
Top sites by authority
OpenResty · Uvicorn · 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
22
Open Page Rank 7+
1,681
58
Open Page Rank 6+
2,892
81
Open Page Rank 5+
4,539
105
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
OpenResty · Uvicorn · share of sites in each country using one or the other
United States
43,802
451
Czechia
25,029
81
South Korea
24,932
129
India
22,734
314
Slovakia
22,400
42
Russia
17,287
193
Germany
15,995
282
Vietnam
14,913
109
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | OpenResty | Uvicorn |
|---|---|---|
| LCP | 1.8 s | 1.9 s |
| INP | 75 ms | 100 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.