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Getting started Download Page Speed. Run Page Speed against your web pages. Read about the Page Speed performance best practices. What is Page Speed? Page Speed is an open-source Firefox/Firebug Add-on. Webmasters and web developers can use Page Speed to evaluate the performance of their web pages and to get suggestions on how to improve them. How does Page Speed work? Page Speed performs several

[t32k]

優先度順に説明したほうが親切かと思う。CSSセレクタの書き方なんかはGoogleだからこそやってるのであって、一般的には気にしなくてもよいと思う - Tags: #performance

[g_maeda]

webサイトが高速に表示できるよう最適化を提案するFirefoxアドオン。