What Do You Mean By Pinging Websites For Backlinks And Backlink Indexing?

By April

 

In Hump Day Hangouts episode 297, one participant asked about pinging websites for backlinks and backlink indexing.

The exact question was:

4) another question is: 4) The meaning of pinging websites for backlinks and pinging for backlink indexing. How do they find the ping command to make it happen in each case. and also is pinging relevant even for today?

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