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 3,994

11,176

India 2,485

5,020

United Kingdom 1,802

4,517

Germany 1,448

4,659

Canada 1,574

3,777

France 1,278

3,933

Italy 1,132

3,705

Brazil 1,363

3,405

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 Ace sites · All CKEditor sites