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 70,740

4,073

United States 13,389

25,042

India 9,882

10,017

Brazil 8,300

7,490

United Kingdom 5,796

7,571

France 5,120

7,726

Germany 5,405

6,653

Canada 4,887

6,910

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 AMP sites · All JSS sites