KWFinder is definitely not a free seo tool anymore. They’ve even restricted their free access which they were providing earlier. So, that needs to be updated. SimilarWeb browser extension is also an important free tool for determining the traffic on a site and other things of the sort. Instantly https://iwanttobookmark.com/story17772137/una-revisi%C3%B3n-de-google-seo-guidelines