Link building is the process of acquiring links from other sites to yours. These links are called backlinks and help improve the visibility of the website in search engines. Search engines take quality links as a signal of trust and relevance. Link building is an important part of SEO, i.e. search engine optimization. Without backlinks, it can be harder to get a website to the top of search results.

Purchased links are not just a matter of ethics, but also a real risk to a website's visibility. August anti-spam update Among other things, it specifically targeted websites with a similar link-building strategy. We discuss who was affected by the update and how to tell in a separate article.