Try it here, is very fast, only the current view is loaded.
In addition you can combine this with the new Super Cluster feature, then also big map are quickly loaded.
This map have a fixed center, and fixed zoom. The markers are from Sobipro and they use category dependant icons.
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
- Center map: fixed point.
- Component settings: ensure you have the use new method