why does backlink is necessary for SEO?

7 replies
  • SEO
  • |
I can't understand clearly that, why does so many backlink necessary to increase my PR, What will Google do with my backlink? I only do onpage SEO for my website, I regularly do 30 backlinks for my site, but even after 30 days they doesn't show any effect on my site, I wanna answer.:confused::confused::confused:
#backlink #seo #seo.

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