[OpenLayers-Users] Why OL downloads base64string GIF?

[Tondo]

Hi lists,

I've got a map (all overlays) with WMTS layer. When I check networking I can
see after each GetTile request data:image/gif;base64… request that is sent
by OpenLayers.Tile.Image.

What is this used for? Do I need it? Is there any way to optimise it (maybe
to send it just once)?

Thanks,
Tom.



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