get page discription from page url without slowdowing the page load
<p>Is it possible to get page discription from page url without slowdowing the page load? via java script or php or anylanguage?</p>

<p>For example I would send this input:</p>

<pre><code>http://www.facebook.com
</code></pre>

<p>and get this output:</p>

<pre><code>Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, ...
</code></pre>

<p>How I can do it?</p>
