22 Best SEO tools in 2026
SEO tools research keywords, audit sites for technical issues, track search rankings, and analyze backlinks, used by marketers, agencies, and content teams.
Top seo tools
Ranked by alternatives mapped, then most recently verified
- 1
FlexQueries
Best for Running occasional keyword, backlink and site-audit checks across a handful of projects without paying for a Semrush or Ahrefs plan in months when little runs.
Web
From $5 one-time
Ahrefs
Best for SEO professionals and content marketers who need backlink analysis, keyword research, and rank tracking in one platform, at scale rather than for occasional single-page checks
Web
Free tier · paid from $29/mo
Semrush
Best for Agencies and in-house marketers who need one dashboard to track both Google rankings and brand mentions inside AI answers like ChatGPT and Perplexity.
Web
From $117.33/mo
Bottally
Best for Keeping a founder's blog publishing one researched post a day with no drafting or review work, on WordPress, Webflow, Ghost, Shopify or Wix.
Web
From $99/mo
Byword
Best for Generating dozens to thousands of long-form SEO articles or programmatic pages in batches and publishing them straight to WordPress, Webflow or HubSpot.
Web
Free tier · paid from $99/mo
Koala AI
Best for Niche and affiliate site owners generating long-form SEO articles in bulk, including Amazon product roundups, and publishing them straight to WordPress.
Web
From $25/mo
Rankbox
Best for Solo founders on a new or low-authority domain who want one long-form article published every day without hiring a writer, and whose site can pull posts through Rankbox's REST API.
Web
From $49.50/mo
SE Ranking
Best for SEO agencies managing 10-30+ client projects who need rank tracking, white-label reporting, and AI-search visibility monitoring in one subscription.
Web · iOS · Android
From $103.20/mo
Ubersuggest
Best for Running keyword research, a weekly site audit and rank tracking for one to a few small-business websites on a $29-$99/month budget or a one-time lifetime license.
Web
Free tier · paid from $29/mo
Frase
Best for Publishing new SEO blog posts and refreshing decaying ones on WordPress, Webflow, Sanity or Wix from a single queue, with every draft and fix waiting for human approval.
Web
From $49/mo
Mangools
Best for Solo SEOs, freelancers, and small marketing teams who need keyword research, rank tracking, and backlink checks without an Ahrefs- or Semrush-sized budget or learning curve.
Web
Custom pricing
Moz Pro
Best for Tracking rankings, crawl health and link metrics for three to ten company or client sites with scheduled reports, where Domain Authority is the number clients already expect to see.
Web
From $49/mo
Outrank
Best for Filling an empty or neglected company blog with one keyword-targeted article a day, published automatically to WordPress, Webflow, Shopify or Framer, plus starter backlinks, with no writer or outreach.
Web
From $99/mo
RankPill
Best for Keeping a small business website publishing one long-form, keyword-targeted article every day on WordPress, Shopify, Webflow, Wix or Framer without an in-house writer.
Web
From $99/mo
SEOWebChecker
Best for Running a quick technical and on-page SEO check on a client or business URL, then handing the exported PDF report to a developer or client.
Web
Free tier · paid from $29/mo
Serpstat
Best for Agencies and in-house SEO teams that need keyword research, rank tracking, and technical site audits for multiple client sites in one subscription
Web
From $50/mo
Writesonic
Best for Finding the buyer prompts where ChatGPT, Gemini or Google AI Overviews recommend competitors instead of your brand, then producing the articles and site fixes to close those gaps.
Web
From $99/mo
DataForSEO
Best for developers and SEO agencies building rank trackers, backlink checkers, or keyword research tools who need raw SERP and backlink data via API rather than a finished dashboard
Web
Custom pricing
Similarweb
Best for Estimating competitors' website traffic, channel mix and audience to size a market or benchmark share before a launch, pitch or investment decision.
Web
Free tier · paid from $125/mo
Small SEO Tools
Best for Students and bloggers who need a free, no-signup plagiarism check or paraphrase of a short document without buying dedicated writing software
Web
Free tier · paid from $4.99/mo
Surfer
Best for Briefing and optimizing blog articles so in-house or freelance writers hit SERP-based targets inside a shared, scored editor in the browser, Google Docs or WordPress.
Web
From $59/mo
Real rank
Best for Publicly proving a site's Google organic growth with verified Search Console clicks instead of quoting Similarweb or Ahrefs traffic estimates.
Web
Free
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Frequently asked questions
What is the best seo tool tool right now?
- FlexQueries leads this list — we have mapped more alternatives to it than to anything else here — it is best for running occasional keyword, backlink and site-audit checks across a handful of projects without paying for a semrush or ahrefs plan in months when little runs.. Ahrefs is the strongest runner-up.
Which seo tools are free?
- 7 of the 22 tools here have a usable free tier or are fully free: Ahrefs, Byword, Ubersuggest, SEOWebChecker, Similarweb and 2 more.