“However, there is an important distinction between the two tools: Surfer is more focused on topical coverage and content optimization, while Semrush is stronger for comprehensive competitor keyword research.”
+ competitor keyword gaps
“Competitor keyword gaps | Yes | Excellent”
+ missing competitor keywords
“Missing competitor keywords | Yes | Excellent”
+ competitor domain research
“Competitor domain research | More limited | Excellent”
+ backlink gap analysis
“Backlink gap analysis | Limited | Yes”
+ dedicated keyword gap tool
“Semrush has a dedicated Keyword Gap tool.”
− content optimization
“Content optimization | Excellent | Good”
“Yes — Surfer SEO can do competitor content gap analysis, so you don't necessarily need Semrush.”
+ topical coverage analysis
“Topical coverage analysis | Excellent | Yes”
+ content optimization
“Content optimization | Excellent | Good”
+ content briefs and writing
“Content briefs and writing | Excellent | Yes”
+ competitor content gap analysis
“Competitor content gaps | Yes | Yes”
+ topical map
“Its Topical Map is particularly relevant because it helps identify entire subject areas where your website lacks coverage.”
− competitor domain research
“Competitor domain research | More limited | Excellent”
− backlink gap analysis
“Backlink gap analysis | Limited | Yes”