Along with the development of mobile Internet grows the need to optimize the time of the page load for mobile sites. Even the most advanced smartphones on Android, iOS, WebOS, BlackBerry OS, and others have a processor with a frequency of less than 1Ghz, and 3G speed can be considered as rather slow (the download speed is 3 times less than DSL).
Mobile devices have inherited the problems of “large” machines: starting with the number of http-requests and finishing with the effectiveness of JavaScript.
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