No-follow and do-follow links are definitely effect your websites ranking by search engine, so before using this you should know where to use do-follow and no-follow links in you websites.
No-follow
Search engine do not allowed no-follow links because in no-follow used low quality content, low quality contents it will decrease you’re ranking.
Syntax:
<a href=”
https://fugenx.com” ref=”nofollow”>fugenx</a>
Do-follow
Search engine allowed do-follow links because do-follow links used high quality contents and unique contents so it will provide backlinks to your website.
Syntax
<a href=”
https://fugenx.com”>fugenx</a>