Hyperlinks that redirect to a certain website from other pages.
It serves as an indicator of the popularity of a page, and is an important data for search engine positioning. Google, for example, assigns a PageRank to each website it indexes based on its inbound and outbound links. Hence, there is a whole market for the purchase and exchange of links between websites with the aim of artificially increasing PageRank , even at the risk of incurring abuses and punishable practices by search engines.
Other denominations:
Inbound links