Desktop SEO crawler that finds and explains technical SEO issues
Open-source SEO tools you can run yourself, read every line of, and hand to your AI agent
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
Open source
Pricing
Free: up to 550 URLs per crawl with every check enabled, no account required, no time limit. Pro Monthly: $19 / month. Pro Annual: $189 / year. Pro Lifetime: $499 once. All Pro plans include unlimited crawling, JavaScript rendering, saved crawls, log files, integrations, reports and automation. 14-d
Hosted app: free, all features unlimited. Self-hosted: free, open source under MIT licence. Search data from YepAPI: paid per lookup. Examples: keyword overview $0.47–$0.57, keyword ideas $0.07–$0.25, SERP checker $0.25–$0.26, rank check $0.02–$0.10, backlink checker $0.30–$0.34. New YepAPI accounts
Key features
165+ technical SEO checks across 22 categories
Broken links and redirect chain detection
Duplicate content and metadata detection
Server log analysis with bot verification
JavaScript rendering and screenshots
Saved crawls with comparison and trend tracking
White-label PDF reports and email scheduling
Local API and MCP server for automation
Action plan ranking issues by impact
CSV export, XML sitemap generation, and developer tickets
Keyword research with difficulty, volume and top 10 results
SERP checker for any location with desktop and mobile options
Rank tracking to top 20, 50 or 100 by country, city or coordinates
Backlink checker with monthly link history
AI visibility tracking across 120+ AI models with web search
Local rank checker with geo-grid maps
MCP server with 76 tools for AI agents
Google Search Console integration
Self-hosting with Docker on your own server
What makes it different
Every technical SEO issue explained with the exact URLs and source code to fix it
Free tier covers small sites completely with no watermarks or time limits
Desktop app keeps all data on your machine for privacy and speed
AI assistants can run crawls and analyze results through built-in MCP server
Server log analysis with verified bot tracking to show pages Google never crawls
MIT licensed open-source code you can read and modify completely
Self-hosted option keeps all your data on your own server
Pay per lookup with spending limits controlled by you
AI agents have spending ceilings to prevent overspending
Crawlune
OpenSEO