By looking at these links in the aggregate, search engines can understand the "link neighborhood" in which your website exists.Thus, it's wise to choose those sites you link to carefully and be equally selective with the sites you attempt to earn links from. Sites that were once popular often go stale, and eventually fail to earn new links.Trustworthy sites tend to link to other trusted sites, while spammy sites receive very few links from trusted sources (see Moz Trust).Authority models, like those postulated in the Hilltop Algorithm, suggest that links are a very good way of identifying expert documents on a given subject. To answer this, we need to explore the individual elements of a link, and look at how the search engines assess these elements.There is much debate among search professionals as to how exactly search engines factor social link signals into their algorithms, but there is no denying the rising importance of social channels.The years 2011-2012 saw a huge rise in social sharing and its effects on search.Verifying a recipe is a way to give feedback to others and broaden your own understanding of the capabilities on
Through links, engines can not only analyze the popularity websites and pages based on the number and popularity of pages linking to them, but also metrics like trust, spam, and authority.
You can see examples of this in action with searches like "click here," where many results rank solely due to the anchor text of inbound links.
It's no surprise that the Internet contains massive amounts of spam.
The last few years have seen an explosion in the amount of content shared through social services such as Facebook, Twitter, and Google .
Although search engines treat socially shared links differently than other types of links, they notice them nonetheless.
Since the late 1990s search engines have treated links as votes for popularity and importance in the ongoing democratic opinion poll of the web.