How to let search engines to know that your site as been updated ?

there is a little script that can do it for you.

it’s basically a normal php command that can to it for you.

please make sure that your don’t abuse search engines, and don’t used this script more then once a week maximum.

php ping code:

<?php
@file_get_contents(“http://www.google.com/webmasters/sitemaps/ping?sitemap=http://www.yoursite/sitemap.xml”);
@file_get_contents(“http://search.yahooapis.com/SiteExplorerService/V1/updateNotification?appid=YahooDemo&url=http://www.yoursite.com/sitemap.xml”);
@file_get_contents(“http://submissions.ask.com/ping?sitemap=http://www.yoursite.com.com/sitemap.xml”);
?>

* please changed  “http://www.yoursite.com/sitemap.xml” to your own site map page at your web site.