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 35,506

2,735

India 23,560

1,507

United Kingdom 17,454

1,087

Saudi Arabia 17,113

375

Brazil 15,129

1,680

Germany 14,506

1,103

France 14,025

889

Indonesia 14,015

765

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 Partytown sites