Super Page Cache vs Varnish

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

Top sites by authority

Super Page Cache · Varnish · 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

Super Page Cache · Varnish · share of sites in each country using one or the other

United States 2,777

85,715

Germany 893

32,333

United Kingdom 1,174

28,057

France 810

27,422

India 1,344

26,370

Canada 933

22,275

Netherlands 636

21,890

Italy 818

20,151

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, 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.

All Super Page Cache sites · All Varnish sites