In seo we create backlinks for particular website. It is not full seo but a strong part of it. Without creating
backlinks it is not easy to rank better even you have great quality content. Sometimes we have to create backlinks by doing some html coding in posts. They who don't know much about html can be deprived of some useful backlinks. Here are two most important html and bb tags which are used to create links in posts.
<a href="your url">your keyword</a>
your keyword
Html is a part of seo.