Hello, You can use the hidpi option to turn off WMS request based on pixelRatio. The result is mainly visible on texts. See http://jsfiddle.net/Viglino/Lpbnw14z/
Also pay attention to the fact the canvas map already gets into account the pixelRatio, ie. a 100x100 px map will result in a 200x200px canvas on mobile (with pixelRatio of 2). In your fiddle, your map canvas has a 950x1400 px canvas on a laptop, but 1900x2800 px on a mobile: 4 times more area and 4 time longer to draw... @+ -- You received this message because you are subscribed to the Google Groups "OL3 Dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to ol3-dev+unsubscr...@googlegroups.com. To post to this group, send email to ol3-dev@googlegroups.com. Visit this group at https://groups.google.com/group/ol3-dev. To view this discussion on the web visit https://groups.google.com/d/msgid/ol3-dev/5665537f-984c-486c-bae9-312fa61c01e2%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.