I wouldn't advise on Pingbacks. Spammers have found a way to abuse the pingback. If Website B is spammy/content scraper, then the low quality spam pingbacks will hurt Website A.

A pingback is a type of comment that's created when you link to another blog post where pingbacks are enabled. The best way to think about pingbacks is as remote comments: Person A posts something on his blog.

@ironcommando Thank you for the reply.. I saw many websites that are displaying their pingback also those spammy ones.

This depends on where they come from. If they are from spammy websites, you better remove them, if they're from other bloggers who simply liked your idea and decided to "award" you a link, then it's helpful. Especially if it's do follow.

Pingbacks are mostly considered spam. Even a single spam pingback can hurt your blog's SEO ranking in search engines like Google. You should eliminate any chance of a SEO rank downgrade. Google does not honor the "nofollow" tag on links like they used to.

If pingbacks don't bring you any additional traffic, and can hurt your SEO rank, then it is best to save yourself the headache by turning them off.

I would suggest you to use some plugin to remove pingback such as remove-pingback-trackback-comments

Ivan

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