# AiSEO — AI-Powered SEO Audit Tool > AiSEO is a Vietnamese-first SEO audit and AI content analysis tool by ERPFit. It checks websites against 312+ rules from Google and Bing official documentation, simulates how AI search engines extract and cite content, and generates professional branded reports in Vietnamese and English. ## What AiSEO Does AiSEO audits websites for search engine optimization across six categories: on-page SEO, technical SEO, structured data (Schema.org), performance (Core Web Vitals), GEO/AI readiness, and content quality. It also simulates how AI-powered search engines like Google AI Overviews, ChatGPT, and Perplexity extract and cite web content. ## Key Capabilities - SEO audit with 312+ rules from Google Search Central and Bing Webmaster docs - AI content extraction simulation (citability scoring, passage ranking) - Multi-page site crawl (up to 50 pages with concurrent fetching) - Core Web Vitals via PageSpeed Insights and CrUX field data - PDF and HTML report generation (branded ERPFit) - Vietnamese (default) and English language support - MCP server for Claude and AI agent integration ## API Base URL: https://aiseo.erpfit.com ### Endpoints - POST /api/scan — Run SEO audit on a URL. Body: {"url": "https://example.com"} - POST /api/crawl — Multi-page site crawl. Body: {"url": "https://example.com", "maxPages": 10} - POST /api/render — AI content extraction simulation. Body: {"url": "https://example.com"} - GET /api/report/:id — HTML report for a scan - GET /api/report/:id/pdf — PDF report for a scan - GET /api/scans/:id — Full scan result by ID - GET /api/sites/:domain/history — Scan history for a domain - GET /api/sites/:domain/performance — Search Analytics summary (GSC) - GET /api/sites/:domain/opportunities — SEO opportunities (striking-distance, CTR gaps, cannibalization) - POST /api/sites/:domain/inspect — URL indexation status via GSC URL Inspection API - GET /api/sites/:domain/gsc-diff — Compare two GSC performance snapshots - POST /api/sites/:domain/rank-findings — Re-rank findings by traffic weight - GET /api/health — Service health check ### Authentication API key via Authorization header or api_key query param. Session cookies also accepted. Public access available with free tier limits (1 scan/month). ## MCP Server AiSEO provides an MCP server with five tools for AI agent integration: - seo_scan(url, skipPerf?) — Full SEO audit returning score, grade, and findings - seo_render(url) — AI content extraction analysis with citability scoring - seo_compare(urls, skipPerf?) — Side-by-side SEO comparison of 2-5 URLs - seo_report(url, skipPerf?) — Audit + save to database, returns report URLs - seo_schedule(domain, cron?, email?) — Set up recurring automated scans ## Technology Built with Bun, Hono, PostgreSQL, Prisma ORM, better-auth, i18next, and cheerio. Uses Google PageSpeed Insights API (free) for Core Web Vitals data. ## Company CONG TY TNHH ERPFIT (MST: 0317567782) Website: https://erpfit.com SEO Tool: https://aiseo.erpfit.com ## Links - [API Documentation](https://aiseo.erpfit.com/docs/api.md) - [MCP Server Documentation](https://aiseo.erpfit.com/docs/mcp.md) - [SEO Wiki](https://aiseo.erpfit.com/wiki) - [Pricing](https://aiseo.erpfit.com/pricing)