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 4,508

12,600

India 2,769

5,660

United Kingdom 2,105

5,228

Germany 1,690

5,410

France 1,568

4,939

Canada 1,858

4,444

Italy 1,326

4,408

Brazil 1,531

3,865

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 Ace sites · All CKEditor sites