Jetpack vs Spectra

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

Top sites by authority

Jetpack · Spectra · 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 · Spectra · share of sites in each country using one or the other

United States 55,797

6,602

India 17,638

3,531

United Kingdom 16,691

2,299

France 13,985

3,304

Japan 14,736

898

Spain 11,468

3,161

Italy 11,984

1,917

Germany 10,655

2,821

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, 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 Jetpack sites · All Spectra sites