SharePoint farm with multiple WFEs

SharePoint farm with multiple WFEs (web front ends) and then wondered later which server you were hitting? .

TO CREATE IMAGE ON WEF#1, WEF#2 SERVER

Go WEF#1 server Create one image on paint software and save it (loadtest.jpg) save path location here C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\IMAGES

 Go WEF#2 server Create one image on paint software and save with different pixels (loadtest.jpg) save path location here C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\IMAGES

Note: Image name save as Same name on both server

Go to http://testn.site.com site navigate Site Action-> View All Site Content

Next ->Click on SiteAssest

Next -> Create one folder called LoadTest

Next-> Download JQuery(jquery-1.10.2.min.js) support files and uploaded the LoadTest Folder.

Next->Create one notepad file and below JavaScript file and save it local machine desktop name as LoadBalance.txt and upload it LoadTest folder.

<script type="text/javascript" src="../SiteAssets/LoadTest/jquery-1.10.2.min.js"></script>

<script type="text/javascript">

function Loadtest(){

var len=$("#txtNumber").val();

if (len!= 0) {

$("#tbl").append("<tr>");

for (var i = 0; i < len; i++) {

$("#tbl").append("<td> <img src='https://testsite/_layouts/images/ loadtest.jpg '> </td>");

}

$("#tbl").append("</tr>");

}

else

{

alert("Please enter value");

$("#txtNumber").focus();

}

}

</script>

<input id="txtNumber" type="Text"/>

<input type="Button" onclick="Loadtest();" value="LoadImage"/>

<table id="tbl"></table>

Next Go to ->SiteAction->ViewAllSiteContent

Next-> Click ->Create-> Select: Page Section->WebPartPage->create -> test.aspx under sitePages.  

Next->click -> test ->

Next -> Site Action -> Edit Page

Next add one Content Editor WebPart and Link below path:

/SiteAssets/LoadTest/LoadBalance.txt

Next apply and Save Page.

Next click LoadImage button see the corresponding image in loding corresponding server.