Apple MapKit JS vs OpenLayers
Head-to-head usage across the sites we track.
Top sites by authority
Apple MapKit JS · OpenLayers · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
4
8
Open Page Rank 8+
17
117
Open Page Rank 7+
39
294
Open Page Rank 6+
56
468
Open Page Rank 5+
77
660
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Apple MapKit JS · OpenLayers · share of sites in each country using one or the other
United States
3,558
1,165
Germany
209
2,210
France
723
1,157
Spain
201
962
United Kingdom
203
819
Brazil
105
882
Italy
145
776
Netherlands
148
735
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Apple MapKit JS | OpenLayers |
|---|---|---|
| LCP | 1.5 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 800 ms |
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.