Mapbox GL JS vs OpenLayers

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

Top sites by authority

Mapbox GL JS · OpenLayers · 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

Mapbox GL JS · OpenLayers · share of sites in each country using one or the other

United States 9,334

1,165

Germany 3,995

2,210

France 3,965

1,157

United Kingdom 3,446

819

Spain 2,561

962

Italy 2,313

776

India 2,460

620

Canada 2,439

512

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 Mapbox GL JS sites · All OpenLayers sites