Which data source is preferable for Google Maps, KML or JSON?

json google-maps kml
Chaddeus picture Chaddeus · Nov 24, 2010 · Viewed 13.8k times · Source

I totally see the benefits of JSON, pull over a lightweight array of data to stuff into my Google Maps (and template through to show a list of the points as well). I've heard a lot of talk about KML.

Which is the preferable way to pull points into Google Maps, JSON || KML? My primary concern is performance, but also breadth of features that could potentially improve the map.

Answer

Argiropoulos Stavros picture Argiropoulos Stavros · Nov 24, 2010

Personally I use json because the kml resulting features are less flexible than the features that you create from parsing json. For example, you can't add a hover event to a polygon from kml.

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