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 149,922

280,294

Japan 33,636

224,601

India 41,148

104,588

United Kingdom 40,230

98,930

Canada 32,056

71,082

Brazil 34,450

62,935

France 29,239

68,026

Germany 28,283

62,234

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 Google Cloud CDN sites · All Google Hosted Libraries sites