ClustrMaps Widget vs OpenLayers
Head-to-head usage across the sites we track.
Top sites by authority
ClustrMaps Widget · OpenLayers · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
8
7
Open Page Rank 8+
52
127
Open Page Rank 7+
115
313
Open Page Rank 6+
141
485
Open Page Rank 5+
177
690
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
ClustrMaps Widget · OpenLayers · share of sites in each country using one or the other
Germany
250
2,633
United States
504
1,374
France
237
1,376
Spain
237
1,093
Brazil
366
947
United Kingdom
250
967
Italy
205
910
India
380
697
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ClustrMaps Widget | OpenLayers |
|---|---|---|
| LCP | 1.8 s | 1.8 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 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.