

SeaOcean
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SeaOcean is a free SEO audit tool that runs 75+ comprehensive checks on any website in under 30 seconds. Built as a faster, more affordable alternative to Semrush, Ahrefs, and SE Ranking.
Cost / License
- Freemium (Subscription)
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
Features
- No Coding Required
- Dark Mode
- AI-Powered
- SEO Reports
- SEO Audit
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What is SeaOcean?
SeaOcean is a free SEO audit tool that runs 75+ comprehensive checks on any website in under 30 seconds. Built as a faster, more affordable alternative to Semrush, Ahrefs, and SE Ranking.
Key features:
- Complete technical SEO audit (meta tags, headings, schema markup, canonical URLs)
- Core Web Vitals monitoring (LCP, INP, CLS, FCP, TTFB)
- AI Fix Guide with copy-paste code snippets to fix every issue found
- LLM AI Search Optimization — check if your site is visible in ChatGPT, Perplexity, and Claude
- Keyword opportunity detection with search volume data
- PDF reports for sharing with clients or developers
- Site comparison tool to benchmark against competitors
- 11 languages supported
Pricing: Freemium model with generous free tier (3 audits/day, no signup required). Pro plan at $19/month includes monitoring, rank tracking, and unlimited AI Fix Guides. Agency plan at $49/month adds white-label reports and API access.
Perfect for freelancers, small agencies, startups, and anyone who needs professional SEO insights without enterprise pricing.










