Ahrefs vs Similarweb

Ahrefs logo
Semrush's main competitor — known for the largest backlink index in the industry and strong keyword research across 200+ countries.
$129/mo (Lite)
Similarweb logo
A competitive intelligence platform showing estimated traffic, traffic sources, and engagement for any website — including Zillow, Realtor.com, and local competitors.
Free (paid enterprise)

Ahrefs vs Similarweb: feature comparison

FeatureAhrefsSimilarweb
Website Traffic Analytics
Keyword / Rank Tracking
Backlink Analysis
Technical SEO Audit
Competitor Analysis
Heatmaps / Session Replay
Custom Dashboards / Reports
Free Tier Available

Ahrefs — Pros & Cons

Pros

  • Largest backlink index in the industry
  • Strong keyword research across 200+ countries
  • Excellent competitor analysis
  • Site audit and content gap reporting

Cons

  • Expensive for casual users
  • Lite tier caps projects and historical data
  • Additional user seats cost extra
  • Overlaps heavily with Semrush — pick one

Similarweb — Pros & Cons

Pros

  • Estimated traffic for any website
  • Source mix (organic vs paid vs social vs referral)
  • Engagement metrics (bounce, time, pages/visit)
  • Free tier for top-line research

Cons

  • Estimates, not ground truth
  • Paid tier is enterprise pricing
  • Traffic estimates vary in accuracy by site
  • Not a substitute for GA/GSC on your own site