There are two principal ways that the web crawlers utilize joins:
1.To find new website pages
2.To help decide how well a page should rank in their outcomes
When web search tools have crept pages on the web, they can separate the substance of those pages and add it to their lists. Along these lines, they can choose on the off chance that they feel a page is of adequate quality to be positioned well for pertinent watchwords (Google made a short video to clarify that procedure). When they are choosing this, the web crawlers don’t simply take a gander at the substance of the page; they likewise take a gander at the quantity of connections indicating that page from outside sites and the nature of those outer sites. As a rule, the all the more top notch sites that connect to you, the more probable you are to rank well in list items.
Connections as a positioning element are what enabled Google to begin to overwhelm the internet searcher showcase back in the late 1990s. One of Google’s organizers, Larry Page, designed PageRank, which Google used to quantify the nature of a page situated to some degree on the quantity of connections indicating it. This metric was then utilized as a feature of the general positioning calculation and turned into a solid flag since it was a decent method for deciding the nature of a page.