cdnjs vs Microsoft Ajax Content Delivery Network

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

Top sites by authority

cdnjs · 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

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

United States 424,275

15,186

India 241,139

6,309

Japan 191,810

2,652

United Kingdom 157,683

7,345

Brazil 128,927

2,449

France 126,091

3,371

Canada 113,739

6,278

Germany 108,676

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 cdnjs sites · All Microsoft Ajax Content Delivery Network sites