When you update your page, your sitemap is updated in parallel, and you may want to ping this updated sitemap to important search engines (look, it’s changed), but how
, here’s the answer
You can add the links below one by one to your address line. you can do it manually

https://www.google.com/webmasters/sitemaps/ping?sitemap=https://www./sitemap.xml https://search.yahooapis.com/SiteExplorerService/V1/ updateNotification?appid=YahooDemo&url=https://www./sitemap.xml https://submissions.ask.com/ping?sitemap=https://www./sitemap.xml https://www.bing.com/ webmaster/ping.aspx?siteMap=https://www./sitemap.xml

or you can make it into a phpscript

Of course it goes without saying that you should write your own site name instead of I asked.com

Velociraptor