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I am trying to improve front-end performance of my website, and there is a 3.5 second lag before the user actually sees anything, and I'd like to improve this.

Here is a screenshot: enter image description here

And here is the actual test: http://www.webpagetest.org/result/130301_JC_12CC/2/details/cached/

The user is seeing a blank screen for about 3.5 seconds before it's visually complete, which is pretty unacceptable in my opinion. Any pointers on how I could solve this?

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migrated from webapps.stackexchange.com Mar 1 '13 at 22:56

This question came from our site for power users of web applications.

I do not believe this can be answered with the information you've provided. Have a link to the real site? Have you tried using the profiler in firebug? This is usually my first point of call. – nemmy Mar 2 '13 at 0:13
There is a link to the page being tested if you visit the link that was given to webpagetest.org. – Stephen Ostermiller Mar 2 '13 at 0:16
up vote 2 down vote accepted

It appears that particular chart has hidden the images that are downloading during that time period. I tested the same page myself using the Firefox web browser with the Firebug extension. A similar chart to what the website gives you is available under the "net" tab in Firebug.

As you can see, there are a lot more resources downloaded from your site and there are no significant gaps. View full size image

enter image description here

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