Google Page Speed is a tool used internally by Google to optimize their webpages, which is now made available for the public. The tool is built as a Firefox add-on integrated with Firebug. When I discovered it I was a little amused that Google is using Firefox internally instead Chrome for such purposes.

Yesterday I just gave a try and Page Speed seems to be a really useful tool. To install the tool you have to open the Page Speed Download Page and install is as a Firefox Add-On(If you don’t have Firebug Add-On install it from here).

Once installed open a webpage and go to Tools > Firebug > Open Firebug. You’ll notice a Page Speed tab in the Firebug panel. Inside that tab click Analyze Performance button:

You’ll get a nice report with all the things that can be improved:

Here are some of the tips provided by Page Speed:

• Compress images and show you how much you gain from that. You can just save the images and use them. It also gives a resized version of the images to the dimensions used in the page.
• Compress Javascript files.
• minimize DNS lookups
• put the static content to a cookieless domain.
• Combine Javascript and css files
• distribute resources on multiple domains to enable parallel downloads.

Some of the things are easy to implement, some of them requires advanced configurations(adding a cookieless domain). Anyway Google Page seems to be a really nice tool, in future post I’ll try to explain how to implement some of the tips.

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