American Express vs Mastercard

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

Top sites by authority

American Express · Mastercard · 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

American Express · Mastercard · share of sites in each country using one or the other

United States 120,725

123,683

United Kingdom 45,093

48,463

Germany 31,400

35,005

Canada 31,773

34,062

Australia 29,004

31,725

France 25,901

28,333

Italy 20,334

22,033

India 19,933

21,187

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 American Express sites · All Mastercard sites