AMP vs JSS

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

Top sites by authority

AMP · JSS · 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

AMP · JSS · share of sites in each country using one or the other

Indonesia 73,082

4,879

United States 15,093

28,707

India 10,920

11,535

Brazil 9,291

8,388

France 6,146

9,223

United Kingdom 6,420

8,665

Germany 6,209

7,821

Canada 5,554

7,918

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 AMP sites · All JSS sites