Google has recently released Page Speed Online, a project from Google Labs that test your website for speed flaws and gives you tips on how to speed it up.

Visit : http://pagespeed.googlelabs.com

this is google own tool must be good

I tested my site and this tool is very useful. Thanks for sharing.

Review: Quite a good tool to check errors on your websites. Gives link problems, title etc.
Overall a good seo tool.

Thanks OP for sharing.

This is a great tool . thanks for sharing

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