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+
7
6
Open Page Rank 8+
127
30
Open Page Rank 7+
313
56
Open Page Rank 6+
485
73
Open Page Rank 5+
690
96
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
2,633
993
France
1,376
455
United Kingdom
967
630
United States
1,374
222
Italy
910
371
Spain
1,093
152
Brazil
947
115
Netherlands
859
157
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | OpenLayers | OpenStreetMap |
|---|---|---|
| LCP | 1.8 s | 1.7 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 600 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.