3 hand-picked tools · 9 verified reviews · pricing fact-checked
Free tiers here are mostly evaluation aids rather than working tools, with one real exception. If your budget is zero, these three give you the most genuinely usable capability without paying.
Best technical site auditing at any scale, for a flat annual fee
Screaming Frog is a desktop crawler that does technical SEO auditing better and cheaper than any cloud tool. It is deliberately narrow, distinctly unfashionable, and effectively universal among technical SEOs.
Free plan
paid from $17/mo
Best affordable option for learners and small in-house teams
Moz is the affordable, approachable option: smaller data sets than Ahrefs or Semrush, but clearer explanations and a lower price. Domain Authority remains its most cited contribution and its most misused metric.
Free plan
paid from $39/mo
Best all-in-one platform when you run paid and organic together
Semrush is the broadest marketing research platform: organic and paid search, content, social and PR in one subscription. That breadth is its advantage and the reason it feels cluttered next to Ahrefs.
Free plan
paid from $117.33/mo
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SEO Tools by the numbers
$39/mo
Median starting price
67%
Offer a free trial
100%
Have a free plan
9
Verified reviews
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