SEMrush is created by SEO/SEM professionals for SEO/SEM professionals. We have the knowledge, expertise, and data to help you take your projects to the next level. We collect massive amounts of SERP data for more than 106 million keywords and about 100 millions domains, including: AdWords ad copies and positions, organic positions for domains and landing URLs, search volumes, CPC, competition, number of results, and so much more.