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Useful tools to analyse a website


SEO compatibility check - gives an overview of whats right and what can be improvedGoogle page speed insight - "PageSpeed Insights analyzes the content of a web page, then generates suggestions to make that page faster"Yslow - Can add as extension to Firefox or Chromewebpagetest.orgPingdomOptimize imagesMarkup Validation Service Recently I used these tools (including Firebug) for a client's WordPress based blog. The areas of improvement - 1) There was no caching of static assets - added max-age with conditional check (last-modified). Read this explanation 2) Scaling images - Do not scale images in HTML3) Optimizing images - This helped a lot. Images were of much bigger size than needed to be. 4) Minimize HTTP requests - too many images, so one possible solution is CSS Sprites5) Minification of js and css files