Nginx vs Uvicorn

Head-to-head usage across the sites we track.

Top sites by authority

Nginx · Uvicorn · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.

By country

Nginx · Uvicorn · share of sites in each country using one or the other

United States 610,792

451

Japan 463,655

164

Russia 295,364

193

Germany 291,350

282

India 229,363

314

United Kingdom 211,733

209

Italy 188,318

173

Spain 179,475

179

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

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.

Sites that switched

Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.

All Nginx sites · All Uvicorn sites