Mouse Flow vs Site Kit

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

42,623
websites
vs
3,022,545
websites

Top sites by authority

Mouse Flow · Site Kit · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank 9+ 18 38
Open Page Rank 8+ 173 649
Open Page Rank 7+ 486 2,684
Open Page Rank 6+ 900 5,882
Open Page Rank 5+ 1,528 12,397

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

By country

Mouse Flow · Site Kit · share of sites in each country using one or the other

United States 7,932 191,744
India 3,520 94,995
Japan 2,526 73,790
Brazil 1,831 71,181
United Kingdom 3,573 64,452
France 2,030 63,629
Spain 2,030 63,132
Italy 1,777 58,351

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

Real user performance

Metric Mouse Flow Site Kit
LCP 1.9 s 2.4 s
INP 75 ms 75 ms
CLS 0 0
TTFB 800 ms 1300 ms

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 Mouse Flow sites · All Site Kit sites

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