Cloudflare Rocket Loader vs Priority Hints

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

Top sites by authority

Cloudflare Rocket Loader · Priority Hints · 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

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

United States 35,506

1,454,879

India 23,560

480,661

United Kingdom 17,454

448,990

Germany 14,506

427,533

France 14,025

379,770

Brazil 15,129

352,974

Canada 13,677

321,758

Italy 11,176

310,084

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 Cloudflare Rocket Loader sites · All Priority Hints sites