Jetpack vs Kirki Customizer Framework

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

Top sites by authority

Jetpack · Kirki Customizer Framework · 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

Jetpack · Kirki Customizer Framework · share of sites in each country using one or the other

United States 64,773

238

India 21,022

133

United Kingdom 19,467

74

Japan 18,123

30

France 16,561

84

Canada 13,641

74

Italy 13,342

109

Spain 12,773

90

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 Jetpack sites · All Kirki Customizer Framework sites