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+
10
7
Open Page Rank 8+
43
112
Open Page Rank 7+
87
287
Open Page Rank 6+
106
458
Open Page Rank 5+
132
645
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
191
2,137
United States
411
1,171
France
173
1,136
Brazil
303
871
Spain
180
986
United Kingdom
202
810
India
296
627
Italy
158
761
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ClustrMaps Widget | OpenLayers |
|---|---|---|
| LCP | 1.7 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, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.