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Ahrefs vs Semrush

Ahrefs and Semrush are the two biggest SEO suites. Both cover keywords, backlinks, audits and rank tracking, so the choice usually comes down to what you do most.

At a glance

FeatureAhrefs
Paid
Semrush
Freemium
Best forLink building, competitor research and agencies that need reliable backlink data.Teams that want SEO, PPC and content research under one login.
PricingPaid plans. Free Ahrefs Webmaster Tools for sites you own.Limited free account. Paid plans with a free trial.
PlatformsWebWeb
CoversAll-in-one SEO suites, Backlink checkers, Keyword research tools, SEO audit tools, Rank trackersAll-in-one SEO suites, Keyword research tools, SEO audit tools, Rank trackers, Backlink checkers, Local SEO tools
Key features
  • Site Explorer (backlinks & organic traffic)
  • Keywords Explorer
  • Site Audit
  • Rank Tracker
  • Content Explorer
  • Keyword Magic Tool
  • Site Audit
  • Position Tracking
  • Backlink Analytics
  • Competitive research
Strengths
  • Very large, frequently updated backlink index
  • Clean, fast interface
  • Strong competitor research
  • Huge keyword database
  • Very thorough site audit
  • Many marketing tools beyond SEO
Weaknesses
  • Expensive for solo users
  • Usage limits on lower plans
  • Can feel overwhelming
  • Add-ons and extra seats raise the price
Choose Ahrefs if…

Your work is mostly link building and competitor link research, and you want a fast, focused interface.

Full reviewVisit site
Choose Semrush if…

You also run Google Ads, content marketing or local SEO and want one platform for all of it.

Full reviewVisit site

Our verdict

For pure SEO and backlinks, Ahrefs is the sharper tool. For a team that does SEO plus paid search and content, Semrush covers more ground. Both offer ways to try before you commit, so test them on your own site.

Features and pricing change often. Check both vendors' websites for current plans before you buy.