ArcGIS API for JavaScript vs Mapbox.js
Head-to-head usage across the sites we track.
Top sites by authority
ArcGIS API for JavaScript · Mapbox.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.js · share of sites in each country using one or the other
United States
932
7,507
United Kingdom
350
2,204
France
282
1,720
India
375
1,309
Canada
337
1,330
Germany
275
1,216
Australia
212
1,147
Spain
241
1,034
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ArcGIS API for JavaScript | Mapbox.js |
|---|---|---|
| LCP | 1.8 s | 2.2 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 800 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.js to ArcGIS API for JavaScript
| Domain | When |
|---|---|
| saccounty.gov | Jul 2026 |