How to Trace Particular Content in Web Page using Python in Certain Time Period?
<p>I Want to Monitor Some Content Changes Which is Present in Some Web Pages. i Want to do the Same in Daily Basis using any Scripting or Browser plugin itself.... </p>

<p>for example, I Want to Wet Notified if Some Changes Happened in Particular Content at Some Web Pages Based On My Query Without Subscribing their Subscription.</p>

<ul>
<li>I want to get notified when it matches my criteria on daily basis..</li>
<li>Is their any script or browser plugin available for that? </li>
<li>Can i achieve this using  python script to trace changes available... </li>
<li>How can I achieve this?</li>
</ul>