Backlinks are links from one website to a page on another website through an anchor text. They are also known as inbound links, incoming links, or one-way links. Backlinks are important for SEO because they are viewed as votes of confidence from one site to another. Search engines like Google consider backlinks as a signal of relevance, quality, and authority to the web page. Pages with a high number of relevant backlinks tend to have high organic search engine rankings.

There are different types of backlinks, and not all of them are created equal. Some of the attributes that contribute to a backlinks quality and utility include authority, relevance, anchor text, follow vs. nofollow, placement, and destination.

To gain backlinks, one can engage in link building strategies such as guest blogging, broken link building, and creating shareable content. Analyzing backlinks is also an important aspect of SEO, and there are several tools that can be used to identify the quality and quantity of backlinks to a website.