Category5free & open source
πŸ“ˆ

SEO & Marketing

AI SEO and marketing tools for keyword research, on-page content scoring, site auditing, backlink analysis, rank tracking, topic cluster planning, and competitor gap analysis.

6Tools
Most Popular In
Keyword ResearchOn-Page Content ScoringTechnical Site Audit
Notable Developers
AhrefsSemrushSurferSEOMarketMuseFrase.io
Updated Jun 12, 2026
Curated by FreeAPIHub editors
Topics:Keyword ResearchOn-Page Content ScoringTechnical Site AuditBacklink AnalysisRank TrackingTopic Cluster Planning
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SEO Minion logo

SEO Minion

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by SEO Minion

SEO Minion is a free browser extension for on-page SEO checks. Analyse on-page elements, preview SERPs, check broken links, highlight links, and run a hreflang check - quick technical SEO from your toolbar.

Screpy logo

Screpy

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by Screpy

Screpy is an AI-assisted SEO and website analysis tool. Run technical and on-page audits, monitor uptime and speed, track keywords, and get prioritised, plain-language fixes in one dashboard.

FreemiumView tool
AnswerThePublic logo

AnswerThePublic

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by AnswerThePublic

AnswerThePublic visualises the questions and phrases people search around a keyword. Enter a topic and it maps the who, what, why and how people ask β€” ideal for content ideas and SEO research.

FreemiumView tool
AlsoAsked logo

AlsoAsked

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by AlsoAsked

AlsoAsked maps the 'People Also Ask' questions Google shows for a topic, as a branching tree. See how real questions connect so you can structure content, FAQs and SEO around genuine search intent.

FreemiumView tool
Scalenut logo

Scalenut

πŸ”₯ Hot
by Scalenut

Scalenut is an AI SEO and content platform. Plan keyword clusters, build optimised content briefs, write long-form articles with an AI assistant, and grade content against what ranks - all in one workflow.

FreemiumView tool
Surfer SEO logo

Surfer SEO

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by Surfer

Surfer SEO is a content optimization platform that analyses top-ranking pages to guide your writing. Its Content Editor scores drafts in real time on terms, structure and length so you can create pages built to rank.

Paid OnlyView tool
Showing 6 of 6 resources

About this category

SEO & Marketing β€” developer guide

What Are AI SEO and Marketing Tools?

AI SEO and marketing tools give content teams the data and automation needed to rank higher in search, convert better, and scale content production without proportionally scaling headcount. Search engines increasingly reward depth, topical authority, and helpfulness β€” and these tools help you measure and optimise for exactly those signals. Used systematically, they're the difference between content that languishes on page 4 and a topic cluster that dominates page 1 across an entire subject area.

What Marketers and Content Teams Use Them For

  • Keyword research to discover high-intent, low-competition long-tail phrases worth targeting
  • Real-time on-page optimisation scoring against the top 10 ranking competitors for a keyword
  • Topic cluster and pillar page planning to build topical authority systematically
  • Technical site audits identifying crawl errors, Core Web Vitals issues, and indexing problems
  • Backlink profile analysis and competitor link gap identification for outreach targeting
  • AI content brief generation that outlines structure, headings, and key points before writing begins

Top SEO and Marketing AI Tools

Ahrefs and Semrush are the industry duopoly for comprehensive SEO data β€” both offer keyword research, backlink databases, site audit, and rank tracking in one platform. Ahrefs leads on backlink index freshness; Semrush covers more marketing channels including PPC and social. SurferSEO is the best real-time content editor β€” it scores your draft against the top-ranking pages and tells you exactly what to add. MarketMuse uses AI to identify content gaps in your topic cluster and scores page-level authority. Frase.io generates SEO-optimised article outlines and content briefs from a target keyword in seconds, significantly reducing brief creation time for content teams.