Sift vs Site Kit

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

Top sites by authority

Sift · 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

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

United States 7,988

215,676

India 1,304

110,602

Japan 536

82,773

Brazil 665

80,295

France 947

74,632

United Kingdom 1,127

72,179

Spain 765

67,753

Italy 777

63,679

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, 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 Sift sites · All Site Kit sites