Nonetheless, the quality and volume of the External Website Links serve as a vital source of the ranking power. Most of search engines use multiple metrics for determining the value of the external links. These metrics include the linkage page popularity, the linking domain trustworthiness, the anchor text utilized in the link, and the correlation of the content between the target page and the source page. 

Companies that depend on the inbound web traffic for generating the business consider the monitoring the number of the external links to the website and measuring these links against the competitors as an important KPI. 

For best results, it is important to consider the relevance of the link to the content of the website. Make sure that the content has similarity between the target page and source page.