by muhammadusmansarwar » Mon Jun 10, 2019 2:08 pm
If you want to become an SEO optimizer than it's very imported to know that what is do follow and no follow backlinks.
learn HTML at least know about <a> tag .....
<a> tag make a link of hypertext references of web pages.
if <a> tag refer a page with follow up by search engines it means it is a do-follow backlink otherwise its no-follow backlink ...