Apache Traffic Server vs OpenResty

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

Top sites by authority

Apache Traffic Server · OpenResty · 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

Apache Traffic Server · OpenResty · share of sites in each country using one or the other

United States 1,480

49,893

Czechia 5,453

27,000

South Korea 133

27,099

India 448

26,277

Slovakia 540

24,926

Russia 122

19,990

Germany 382

17,998

Vietnam 127

17,083

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, 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.

Sites that switched

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

All Apache Traffic Server sites · All OpenResty sites