SEMrush
For the past nine years, SEMrush has grown into an all-in-one marketing suite consisting of more than 33 tools and reports that help companies market better online. On top of being one of the best keyword research tools worldwide, SEMrush now helps users fix technical website issues, improve the health of their backlink profile, and track local rankings on both mobile and desktop. Marketers can easily spot opportunities they are missing compared to their rivals and get ideas for their SEO, PPC and content marketing campaigns.