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
7
Open Page Rank 8+
18
127
Open Page Rank 7+
40
313
Open Page Rank 6+
58
485
Open Page Rank 5+
78
690
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
4,255
1,374
Germany
226
2,633
France
685
1,376
Spain
209
1,093
United Kingdom
222
967
Italy
166
910
Brazil
107
947
Netherlands
140
859
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, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.