Piwik PRO Core vs Site Kit

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

Top sites by authority

Piwik PRO Core · 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

Piwik PRO Core · Site Kit · share of sites in each country using one or the other

United States 4,015

194,442

India 1,170

96,669

Brazil 485

73,670

Japan 328

73,684

United Kingdom 1,181

63,934

France 1,790

62,421

Spain 937

58,678

Italy 1,051

55,218

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, Aug 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 Piwik PRO Core sites · All Site Kit sites