Sensors Data vs Site Kit

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

Top sites by authority

Sensors Data · Site Kit · 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

Sensors Data · Site Kit · share of sites in each country using one or the other

United States 1,606

188,804

India 1,392

91,772

Japan 886

73,383

Brazil 2,764

68,562

United Kingdom 717

63,200

Spain 538

61,929

France 646

60,827

Italy 531

56,615

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, Oct 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 Sensors Data sites · All Site Kit sites