Blitz vs Cloudflare Rocket Loader

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

Top sites by authority

Blitz · Cloudflare Rocket Loader · 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

Blitz · Cloudflare Rocket Loader · share of sites in each country using one or the other

United States 1,078

29,959

India 422

19,958

Saudi Arabia 83

15,432

United Kingdom 716

14,634

Brazil 168

13,122

Germany 449

11,955

Canada 381

11,512

Indonesia 167

11,371

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 Blitz sites · All Cloudflare Rocket Loader sites