jQuery CDN vs Microsoft Ajax Content Delivery Network

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

Top sites by authority

jQuery CDN · 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

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

United States 170,123

15,186

Japan 95,881

2,652

India 91,656

6,309

United Kingdom 66,696

7,345

France 52,395

3,371

Canada 49,037

6,278

Brazil 49,391

2,449

Germany 47,088

3,560

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 jQuery CDN sites · All Microsoft Ajax Content Delivery Network sites