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+
29
3
Open Page Rank 8+
493
32
Open Page Rank 7+
1,624
76
Open Page Rank 6+
2,766
101
Open Page Rank 5+
4,340
134
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
42,667
482
South Korea
25,476
137
Czechia
25,453
81
Slovakia
22,904
49
India
22,436
337
Russia
17,569
202
Germany
15,296
284
Vietnam
14,576
116
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | OpenResty | Uvicorn |
|---|---|---|
| LCP | 1.7 s | 1.8 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
OpenResty to Uvicorn
| Domain | When |
|---|---|
| magister.edu.pe | Aug 2026 |