In terms of SEO, keywords are the words on which the site ranks in Google Search. Actually, these are the terms that bring traffic or users to that particular site for free. Tracking keywords helps in insure as what the users are primarily searching for. This helps to provide them exactly what they need.
For e.g., if somebody comes searching “best yoga mat for back”, then you can provide the best product links that may be of affiliates or your own custom products to make them buy. Suppose if you were showing the best yoga pants at the top and mat somewhere below the article, then it may hurt your ROI as the user comes searching formats. The higher the keyword ranks, the better it gives the result in terms of SERP rankings. To get higher rankings, once should always perform the best SEO habits for getting quality backlinks along with the quality and regularly updated content on the website/blog. A proper website free analysis can be done using the below SEO tools for free.
Benefits of Keyword Rank Checker
Now your site is getting ample traffic but as Google analytics from the last several years hide the keywords from which the visitor arrived, so in this case either you use a paid tool that provides premium data or you can go for another option of free data using the premium tool. Try the Keyword Rank Checker which gives insights about the keyword, the amount of traffic it is bringing in, the cost of the keyword in terms of CPC, etc.
Keep an Eye on Competitors by checking their Keywords Ranking.
Even the competitors who are selling more products and making handsome profits can be snooped using this. You can track there ranking keywords in search and alter your meta tags like title and description in HTML files to point your site to those keywords in search.
Another important aspect of SEO is to check the links your site is getting from and the backlinks competitors are generating from. For this you need to find are the backlinks do follow or no follow, is the backlink to the homepage or inner page, how many external backlinks going to other sites from the same page, and is the category relevant to your topic or not. To get all these details you can try another premium tool that provides data for the top 25 backlinks from different domains received by a particular site at Backlink Checker.