Cloudflare Rocket Loader vs Partytown

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

Top sites by authority

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

United States 29,959

3,024

India 19,958

1,315

Saudi Arabia 15,432

322

United Kingdom 14,634

912

Brazil 13,122

1,484

Germany 11,955

846

Canada 11,512

787

Indonesia 11,371

643

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 Cloudflare Rocket Loader sites · All Partytown sites