OpenLayers vs OpenStreetMap
Head-to-head usage across the sites we track.
Top sites by authority
OpenLayers · OpenStreetMap · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
8
5
Open Page Rank 8+
117
32
Open Page Rank 7+
294
60
Open Page Rank 6+
468
76
Open Page Rank 5+
660
100
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
OpenLayers · OpenStreetMap · share of sites in each country using one or the other
Germany
2,210
982
France
1,157
480
United Kingdom
819
665
United States
1,165
254
Spain
962
171
Italy
776
339
Brazil
882
158
Netherlands
735
147
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | OpenLayers | OpenStreetMap |
|---|---|---|
| LCP | 1.9 s | 1.6 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 600 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.