Jetpack vs Speculative Loading

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

Top sites by authority

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

United States 55,797

3,832

India 17,638

1,658

United Kingdom 16,691

1,673

Japan 14,736

737

France 13,985

1,305

Italy 11,984

985

Canada 11,530

1,082

Spain 11,468

995

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 Speculative Loading sites