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 198,507

327,264

Japan 44,949

267,213

India 48,329

124,044

United Kingdom 52,407

114,905

Canada 41,348

83,462

France 38,826

83,126

Brazil 43,939

72,218

Germany 34,586

74,359

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 Google Cloud CDN sites · All Google Hosted Libraries sites