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Free SEO, AEO & GEO tools.
Find the signals worth acting on, then use SerionFlow to confirm the market, rank your strongest opportunities, and turn them into brand matched pages on your own domain.
Find opportunities
Missing Keywords
Find valuable topics competitors cover that your site may be missing.
Open toolSEO Competitor Analysis
Compare on-page signals, positioning, and content coverage across competing sites.
Open toolContent Gap Finder
Turn differences in coverage into a prioritized page backlog.
Open toolKeyword Cannibalization Checker
Spot URLs on your own site that may be competing for the same search intent.
Open toolQuery Fan-Out Explorer
Expand one search intent into related questions, comparisons, and use cases.
Open toolImprove AI visibility
GEO Audit
Check whether a page is clear, extractable, attributable, and useful to generative engines.
Open toolAI Recommendation Checker
Evaluate the evidence that could make a brand safe to recommend in AI answers.
Open toolCitation Gap Finder
Find claims that need stronger sources, proof, or original evidence.
Open toolAI Crawler Access Checker
Review robots.txt rules for major search and AI crawlers.
Open toolllms.txt Generator
Generate a concise llms.txt starting point for your website.
Open toolCheck technical SEO
Robots.txt Checker
Check crawler directives and common accidental blocking patterns.
Open toolSitemap Checker
Fetch your sitemap, count its URLs, check lastmod freshness, and confirm the page is listed.
Open toolIndexNow Checker
Verify your IndexNow key file, sitemap, and HTTPS readiness for instant URL submission.
Open toolH1 Checker
Inspect the primary heading and heading hierarchy of a page.
Open toolMeta Description Checker
Measure and improve a page meta description.
Open toolTitle Tag Checker
Check title presence, length, clarity, and likely truncation.
Open toolSERP Snippet Preview
Preview how a title, URL, and description may appear in search.
Open toolCanonical Tag Checker
Find missing or conflicting canonical signals.
Open toolSchema Builder and Validator
Create useful JSON-LD and run basic structural validation.
Open toolInternal Link Opportunity Finder
Find pages that mention a target topic but do not link to it yet.
Open toolBroken Link Checker
Fetch every link on a page and report the ones that fail, redirect, or time out.
Open toolImprove content
Get a growth plan
Link Building Playbooks
Build an ethical, audience-specific authority plan.
Open toolSEO Playbooks
Create an actionable SEO plan based on your product and growth stage.
Open toolGEO Playbooks
Plan evidence, entities, and content that AI systems can confidently cite.
Open toolAEO Playbooks
Plan concise answers, question coverage, and structured answer experiences.
Open toolA diagnostic finds a signal. SerionFlow turns it into momentum.
Bring market, competitor, search, technical, backlink, answer engine, and sampled AI evidence together, then launch the pages your domain deserves.
Start building free