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
932
9,154
France
282
3,860
Germany
275
3,793
United Kingdom
350
3,379
Spain
241
2,582
India
375
2,426
Canada
337
2,411
Italy
213
2,213
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ArcGIS API for JavaScript | Mapbox GL JS |
|---|---|---|
| LCP | 1.8 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 700 ms |
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.
Mapbox GL JS to ArcGIS API for JavaScript
| Domain | When |
|---|---|
| saccounty.gov | Jul 2026 |
All ArcGIS API for JavaScript sites · All Mapbox GL JS sites