I made a map with some clusters and added a layer of polygon layer to the map, this consists of over 1 million rows, and the map became slow. Are the any way to speed it up when being used?
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As per this github closed issue, you can add prefer_canvas=True
when you define the map. If that does not work, add it directly in the resulting HTML, as explained at the link.

VictorX
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I directly edited the html but it had zero impact on performance. I have about 100K markers and it takes almost 3 minutes to load the page. – Jason D Apr 13 '23 at 16:03