Note: The following translation of the note by John Resig (by jQuery) "JavaScript Library Loading Speed," in which he examines how compression, obfuscation, and archiving affects the performance of the most common JavaScript libraries currently available.My comments are in italics.
Published: February 5, 2008
Introduction
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Recently, the PBWiki team conducted a very impressive JavaScript performance analysis. They were going to figure out how fast the JavaScript libraries load (of course, their download speed will noticeably affect the download speed of the entire page). They deployed a test environment to obtain information from various browsers, then collected all the results in the final report . It has a lot of information that can be useful both to developers of web applications and browsers: the information structured in this way is quite extensive.