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.
| Feature | Ahrefs | Semrush |
|---|---|---|
| Best for | Link building, competitor research and agencies that need reliable backlink data. | Teams that want SEO, PPC and content research under one login. |
| Pricing | Paid plans. Free Ahrefs Webmaster Tools for sites you own. | Limited free account. Paid plans with a free trial. |
| Platform | Web | Web |
| Covers | All-in-one SEO suites, Backlink checkers, Keyword research tools, SEO audit tools, Rank trackers | All-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.
Read the Ahrefs profileChoose Semrush if…
You also run Google Ads, content marketing or local SEO and want one platform for all of it.
Read the Semrush profileOur 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.