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+
9
8
Open Page Rank 8+
47
117
Open Page Rank 7+
98
294
Open Page Rank 6+
119
468
Open Page Rank 5+
150
660
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
199
2,210
United States
408
1,165
France
172
1,157
Brazil
317
882
Spain
174
962
United Kingdom
199
819
India
319
620
Italy
154
776
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ClustrMaps Widget | OpenLayers |
|---|---|---|
| LCP | 1.7 s | 1.9 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 800 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.