BuzzSumo helps content marketers learn what already works. You enter a topic or domain and see the pieces that earned the most engagement on social networks, along with backlinks, so you can see what resonates before writing. Filters narrow by date, format, and language, which makes it easy to find trending ideas.
Other features cover outreach and monitoring. The influencer search finds people who regularly share and write about a topic, alerts notify you when a keyword or competitor is mentioned, and question tools show what people ask about a subject. AI helps generate ideas and outlines from the findings, and reports can be exported for clients.
BuzzSumo is paid, with plans by search volume and features, and a limited trial. Social engagement data has become harder to collect as platforms restrict access, so data may be incomplete, and shares do not always translate to business results. Alternatives include Semrush, Ahrefs Content Explorer, SparkToro, Brandwatch, and Exploding Topics. BuzzSumo suits content and PR teams doing research.