ArcGIS API for JavaScript vs Mapbox GL JS

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

Top sites by authority

ArcGIS API for JavaScript · Mapbox GL JS · 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

ArcGIS API for JavaScript · Mapbox GL JS · share of sites in each country using one or the other

United States 919

9,334

Germany 275

3,995

France 280

3,965

United Kingdom 348

3,446

India 377

2,460

Spain 237

2,561

Canada 338

2,439

Italy 218

2,313

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 ArcGIS API for JavaScript sites · All Mapbox GL JS sites