
Semrush once gave growing agencies something Ahrefs did not: a client operating layer inside the SEO suite. That advantage explains an old buying habit - and why the comparison needs a fresh look now.
Ahrefs built one of the web’s busiest crawlers to answer a marketer’s oldest question: why does that page outrank mine? Now the bootstrapped company is teaching the same data engine to map a stranger terrain - what brands appear when people ask AI for an answer.