About Semrush
Semrush does nearly everything: keyword research, competitor analysis, rank tracking, site audits, backlink data and content tools, all in one place. Its keyword and competitor databases are among the largest, which makes it the default pick for marketers and agencies who want one platform instead of five.
No other single tool covers as much ground as well. It's expensive, but for anyone doing SEO seriously most days, the breadth pays for itself.
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The honest list
What we love
＋Enormous keyword and competitor database
＋Covers research, audits, rank tracking and content
＋Great for competitor and gap analysis
＋Free tier to try the core tools
Watch out for
−Pricey once you need multiple users or projects
−A lot to learn at first
−Some limits per plan tier