html - Whats the purpose of using one image sprite in Google music website images -


i have seen google music using 1 image small images used in google music website

http://music.google.com/music/sprites.png

enter image description here

i want know whats advantage of it. difficult mark position coordinates of small images

it reduces number of http requests client has make server. speeds load time.

yahoo provides set of guidelines decreasing load time of web page. part of first rule.

setting of indexes locations time consuming, has done once developer , every single page load requires less http requests. specifically, in case, 1 request rather several dozen of little images.


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