In the pre-Google era, search engines mostly focused on the content and site structure in assessing a website’s SERP ranking. When the PageRank algorithm was introduced by Google, links became the No. 1 factor in the search engine ranking. A link to a webpage is considered by Google as the linking website’s editorial endorsement or vote-of- trust for that webpage. Linking to a site is the online word-of- mouth advertising and it is very influential in driving new visitors to the site. This is the reason why attracting links actively from other websites is believed to be the most effective strategy of boosting the Google rankings of a website. Affordable link building has become an essential part of a website’s SEO.
Link building is important because of a number of reasons:
- Google only see through links and if no one links to your site, it will not be found.
- Links are vital in Google’s ranking algorithm which means the more relevant backlinks you have, the better your rank for your target keywords.
- High-quality backlinks can boost your traffic, conversion rate, sales, and so on.
- According to Google’s Search Quality Senior Strategist Andrey Lipattsev on March 24, 2016, the Google’s top 3 ranking factors are backlinks, content, and RankBrain.
Although backlinks are still important in Google rankings nowadays, Google has ascertained to extract the bad links from the good ones. Only links from varied and authoritative domains are considered in the scoring. When you create content that interest people and promote it actively the chance of it being found by more people and other industry authorities is high.
When the latter links to your content, Google scans the anchor text that corresponds to the backlink and judges your content to be significant. By gaining lots of high-quality backlinks you also struck the 3 main ranking signals, number of backlinks, link diversity, and link authority.