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 1,583,459

15,186

India 622,057

6,309

United Kingdom 513,433

7,345

Brazil 428,068

2,449

Germany 390,348

3,560

Canada 380,528

6,278

Japan 383,205

2,652

France 374,181

3,371

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 Cloudflare sites · All Microsoft Ajax Content Delivery Network sites