during Seo, i have noticed this file
Eliminate render-blocking JavaScript and CSS in above-the-fold content
<div class="advice"> <div class="failed-rule-summary">Your page has 4 blocking script resources. This causes a delay in rendering your page.</div> </div> <div class="url-block">None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.</div>Remove render-blocking JavaScript:
- http://ajax.aspnetcdn.com/ajax/4.5.1/1/WebForms.js
- http://ajax.aspnetcdn.com/ajax/4.5.1/1/WebUIValidation.js
scriptresource.ax?d=L5UJ8TbmVGwdhR90LK4iuNmpsNge0&t=3a1336b1L5UJ8TbmVGwdhR90LK4iuNmpsNge0&t=3a1336b1L5UJ8TbmVGwdhR90LK4iuNmpsNge0&t=3a1336b1
and even i have added
<asp:ScriptManager ID="ScriptManager1" runat="server" LoadScriptsBeforeUI="false"
EnableCdn="true">
</asp:ScriptManager>
how to improve perfomance? any help appreciated.. thanks