Cloudflare vs Microsoft Ajax Content Delivery Network

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

Top sites by authority

Cloudflare · 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

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

United States 1,456,850

13,205

India 571,175

5,406

United Kingdom 472,939

6,256

Brazil 435,717

2,192

Germany 354,801

2,956

Canada 343,253

5,566

Japan 339,857

2,279

France 331,596

2,702

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 Cloudflare sites · All Microsoft Ajax Content Delivery Network sites