Always on Rails

EngineYard Blog 10/13 發表的一篇文章:Rails in the Wild: 5 Client-Side Performance Observations 五個重點: 1. It’s easy to forget to compress your JavaScript and CSS 要記得 :cache => true 2. Watch out for slow third party services 都是慢在第三方 3. Using multiple image hosts doesn’t always mean higher performance 拆那麼多台未必會比較快 4. S3 is NOT a Webserver! S3 是 storage ,不是 web server。所以不要一股腦的把東西往上丟,要注意有沒有敏感資訊,而且 s3p 是沒有幫忙做 gzip 的。 5. Most performance variability is NOT attributable to page factors 速度慢通常是慢在後端..