AMP vs Stimulus

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

1,212,228
websites
vs
745,109
websites

Top sites by authority

AMP · Stimulus · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank 9+ 20 47
Open Page Rank 8+ 187 613
Open Page Rank 7+ 535 1,803
Open Page Rank 6+ 915 3,211
Open Page Rank 5+ 1,485 5,461

Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.

By country

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

United States 15,093 152,808
Indonesia 73,082 9,977
United Kingdom 6,420 33,390
Germany 6,209 24,224
Canada 5,554 24,413
India 10,920 14,670
Australia 4,151 19,705
France 6,146 15,861

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

Metric AMP Stimulus
LCP 2.1 s 1.7 s
INP 150 ms 50 ms
CLS 0 0
TTFB 800 ms 500 ms

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 Stimulus sites

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