What Is Dofollow Link: Dofollow links help your search engine rankings
Dofollow backlinks allow Google or whatever search engine is being used, to follow them and reach your website.
DoFollow links are links that Google, Firefox, and other search engines are able to follow to reach a linked website.
The more reputable links that you have pointing to your website, the more likely a search engine will believe(‘authoritative’) it to be a high-value site. This will improve its ranking position significantly in search engines.
What Is Nofollow Link:
nofollow is a value that can be assigned to the rel attribute of an HTML an element to instruct some search engines that the hyperlink should not influence the ranking of the link's target in the search engine's index. Because Nofollow links do not pass PageRank they likely don't impact search engine rankings this also helps you avoid being penalized by Google Penguin updates.
By having a mixture of nofollow links and follow links in your link profile, it makes your site look a lot more natural, which Google likes.
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