All-in-one SEO suite best known for its huge backlink index.
Best for: Link building, competitor research and agencies that need reliable backlink data.
- Site Explorer (backlinks & organic traffic)
- Keywords Explorer
- Site Audit
- Rank Tracker
Backlink tools crawl the web to map which sites link to which. Use them to monitor your link profile, find link-building opportunities on competitor sites and spot toxic or lost links.
8 tools compared. Top picks first, then alphabetical. No paid placements.
All-in-one SEO suite best known for its huge backlink index.
Best for: Link building, competitor research and agencies that need reliable backlink data.
Affordable all-in-one suite with accurate rank tracking.
Best for: Freelancers and agencies who need solid features at a lower price.
The broadest SEO and marketing suite, from keywords to PPC and social.
Best for: Teams that want SEO, PPC and content research under one login.
Backlink specialist known for Trust Flow and Citation Flow.
Best for: Link builders who want specialist link data.
Free site audit and backlink data from Ahrefs for sites you own.
Best for: Site owners who want a professional audit for free.
Microsoft's free search console, with a site scan and keyword tool.
Best for: Getting extra free audit and link data, and visibility in Bing.
Simple suite of five tools, led by the KWFinder keyword tool.
Best for: Bloggers and small businesses who want easy keyword research.
Long-standing SEO suite and the home of Domain Authority.
Best for: Beginners and small teams who value clear explanations and simple reports.