Revy vs Vitals

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

Top sites by authority

Revy · Vitals · 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

Revy · Vitals · share of sites in each country using one or the other

United States 1,834

3,333

United Kingdom 762

1,391

India 544

1,306

Canada 650

987

Australia 533

946

Germany 444

970

France 359

922

Italy 478

682

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 Revy sites · All Vitals sites