Google Cloud CDN vs Google Hosted Libraries

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

Top sites by authority

Google Cloud CDN · Google Hosted Libraries · 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

Google Cloud CDN · Google Hosted Libraries · share of sites in each country using one or the other

United States 176,258

287,105

Japan 38,833

228,419

India 44,075

107,539

United Kingdom 45,909

98,380

Canada 36,695

72,013

Brazil 39,950

64,908

France 33,065

68,288

Germany 31,513

64,646

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 Google Cloud CDN sites · All Google Hosted Libraries sites