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+
3
7
Open Page Rank 8+
17
112
Open Page Rank 7+
39
287
Open Page Rank 6+
56
458
Open Page Rank 5+
77
645
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
3,393
1,171
Germany
182
2,137
France
567
1,136
Spain
202
986
United Kingdom
194
810
Brazil
97
871
Italy
148
761
Netherlands
125
714
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Apple MapKit JS | OpenLayers |
|---|---|---|
| LCP | 1.5 s | 1.8 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 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.