Are there any tools, websites that will allow you to test your website performance like load time, render time and what can be done to make it better. I know there is an addon called YSLOW for firebug. but I am just wondering if there is anything more than that.
Are there any tools, websites that will allow you to test your website performance
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New Relic does end to end monitoring. Standard version is free for Rackspace customers.
Most browsers have a built in inspector. At least Opera, Chrome, and IE.
Firebug for Firefox
Fiddler will help you inspect actual HTTP requests
Google’s done some work with Page Speed
Of course you know about YSlow, which follow’s Yahoo’s Guidelines
Pingdom‘s monitoring solution will tell you worldwide how fast it can get TTLB, and they give you one free check.
Blitz will let you do load testing