RSS <ttl>
Element
Definition and Usage
The <ttl> (ttl=time to live) element specifies the number of minutes a feed can be cached before refreshing from the source.
Example
<?xml version="1.0" encoding="UTF-8" ?>
<rss version="2.0">
<channel>
<title>tutorialpro.org</title>
<link>http://www.tutorialpro.org</link>
<description>Free programming learning website</description>
<ttl>60</ttl>
<item>
<title>RSS Tutorial</title>
<link>http://www.tutorialpro.org/rss</link>
<description>tutorialpro.org - RSS Tutorial</description>
</item>
</channel>
</rss>