Head-to-Head Specification Audit
Ahrefs vs Semrush
SEO Specialists & Digital Marketers · Global
Specification Matrix
| Metric | Ahrefs | Semrush |
|---|---|---|
| Starting Price | Custom pricing | $139.95/mo |
| API Rate Limit | Not confirmed | Not confirmed |
| Target Country | Global | Global |
| Category | SEO & Marketing Tools | SEO & Marketing Tools |
| Compliance (vendor-stated) | GDPR | GDPR, CCPA, SOC2 |
| Hosting Regions | US-East, EU-West, SG | US-East, EU-West |
| Native Integrations | 5 listedTie | 5 listedTie |
Ahrefs — Key Specs
Vendor-stated- ✓Backlink index of 35 trillion links — largest database in the industry after Google
- ✓Site Audit crawls your full website and ranks technical SEO issues by traffic impact
- ✓Keywords Explorer shows volume, difficulty, and SERP data for 170+ countries
- ✓Content Explorer surfaces the most linked and shared content for any topic in seconds
Semrush — Key Specs
Vendor-stated- ✓All-in-one: keyword research, competitor analysis, backlink audits, and content planning
- ✓Advertising Research reveals competitors' exact paid search keywords and ad copy
- ✓Position Tracking monitors your rankings for up to 5,000 keywords daily
- ✓40% recurring affiliate commission — highest payout in the SEO tools market
Frequently Asked Questions
Which is lower-priced, Ahrefs or Semrush?+
Ahrefs uses custom pricing. Semrush starts at $139.95/mo. Contact Ahrefs directly for a quote.
Which compliance frameworks do Ahrefs and Semrush list?+
Both list GDPR in their vendor documentation. Semrush additionally lists CCPA, SOC2. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.
Which data hosting regions do Ahrefs and Semrush support?+
Ahrefs lists hosting regions: US-East, EU-West, SG. Semrush lists hosting regions: US-East, EU-West. For data residency requirements in Global, confirm exact region configuration directly with each vendor.
Data last updated: 29 August 2026 — Sourced from official vendor documentation. Not independently audited. Report incorrect information
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