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 30,747

3,021

India 20,411

1,320

United Kingdom 15,016

943

Saudi Arabia 14,825

314

Brazil 13,494

1,485

Germany 12,434

911

Canada 11,691

805

Indonesia 11,700

644

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, Aug 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