jsDelivr vs Microsoft Ajax Content Delivery Network

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

Top sites by authority

jsDelivr · Microsoft Ajax Content Delivery Network · 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

jsDelivr · Microsoft Ajax Content Delivery Network · share of sites in each country using one or the other

United States 297,049

13,343

India 167,723

5,539

Japan 158,519

2,264

United Kingdom 117,022

6,286

Brazil 105,974

2,206

France 92,567

2,742

Canada 85,473

5,559

Germany 87,206

3,045

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 jsDelivr sites · All Microsoft Ajax Content Delivery Network sites