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+
33
1
Open Page Rank 8+
511
21
Open Page Rank 7+
1,693
49
Open Page Rank 6+
2,924
67
Open Page Rank 5+
4,595
87
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
49,893
445
South Korea
27,099
131
Czechia
27,000
80
India
26,277
294
Slovakia
24,926
35
Russia
19,990
160
Germany
17,998
255
Vietnam
17,083
115
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 | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 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.