Ace vs CKEditor

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

Top sites by authority

Ace · CKEditor · 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

Ace · CKEditor · share of sites in each country using one or the other

United States 4,011

11,077

India 2,462

4,954

United Kingdom 1,832

4,500

Germany 1,448

4,574

Canada 1,613

3,807

France 1,319

4,040

Italy 1,194

3,788

Brazil 1,365

3,381

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 Ace sites · All CKEditor sites