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 72,741

4,087

United States 13,441

25,360

India 9,842

10,169

Brazil 8,577

7,526

United Kingdom 5,698

7,619

France 5,143

7,737

Germany 5,352

6,843

Canada 4,885

6,958

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 AMP sites · All JSS sites