On the web (WWW) Search engine crawler uses link as a streets between pages. Search engine find how pages are related to each other and in what ways.

Seo is not about creating backlink only.Actually, Links aren't everything in SEO. Through links Search Engine not only analyze the popularity of a website & webpage but also metrics like trust, spam, and authority. Trusted websites want to link to other trusted sites, while spammy sites receive very few links from trusted sources or sites.

Types of link

Global Popularity

The more important and popular a site is, the more links from that site is valuable. 1000's of different sites linking to Wikipedia, which means it's probably a popular and important website. To win the search engine trust, you'll need the help of other link partners. The more popular, the better.

Topic-Specific Popularity

If you get links from websites within a topic-specific community matter more than links from general or off-topic sites. For example, if your website related with travel, then earning links from the other travel related sites matters much more than earning links from an off-topic, roller skating site.

Anchor Text

Anchor text is one of the strong and best signals the Search engines uses in rankings. If a number of links point to a page or website with the right keywords, that page has a very good chance of ranking well for the targeted phrase in that anchor text. 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.

Trusted Link

There is no doubt that Internet contains massive number of spam websites. According to one's estimate as much as 55% of the web's pages are spam. In order to come out from this irrelevant or spamy content, search engines using systems for measuring trust, many of which are based on the link graph. Earning links from highly trusted sites and domains like (.gov,Universities website) can result in a significant boost to this scoring metric.


To judge current popularity and relevancy search engine uses freshness signals of links. Sometime what happen that websites that were once popular often go stale, and fail to earn new links. So it is important not only earn links to your website but also continue to earn links time to time even if your site got popular and in good position.


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