Try the super cluster plugin, is very fast, only the cluster is loaded.
With classic cluster all markers are loaded and only after they are dispatched in cluster.
This map have a fixed center, and fixed zoom. The markers are from Sobipro and they use categories.
How To Configure
The way to enable the new method:
- Install the free Geocode Factory 5 (at least 5.15.0909)
- Select your map inside the "Map manager".
- Auto template: Yes
- Cluster: Super cluster
- Center map: fixed point.
- Component settings: ensure you have the use new method