Website not render properly in Windows Phone 8.1 device

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C#3.5

C#5.0

My website not rendered properly in Windows Phone 8.1 device. The problems is banner content loaded slowly after loading the whole page in IE browser.

I have referred below url. It says "Most of the web sites do not render correctly in Windows Phone 8.1, Microsoft answer 'we will give much better experience for Windows Phone users in upcoming Windows Phone 8.1'. "

http://www.theverge.com/2014/7/31/5956163/windows-phone-8-1-update-internet-explorer-mobile-changes

So please provide your suggestion for the reported issue,

Thanks,
Arun Dhayalan.