Alright guys, now this is real talk. Lots of marketers or SEO guru has a hard time when it comes to indexing links, like your tier 1 links, tier 2 links, web 2.0 blogs, directory, citations, blog post, profile links, etc. As you can see if you don't index your backlinks those are all useless, meaning, you're not ranking, you're not gaining backlinks, everything is useless.
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https://www.hybridtraffic.net/single...SEO-strategies