Scanner64

Scanner 64 — The Website Performance API for BuildersScanner 64 is a developer API with 137 production-grade active endpoints for scanning websites. Pass any URL and get back JSON for Core Web Vitals, SEO, security, accessibility, link checking, conversion auditing and more — perfect for building dashboards, alerts, and audit tools in your favorite programming language.Endpoints

Core Web Vitals & Performance - LCP, FID, CLS, TBT, and TTFB with actionable opportunities

SEO Audit & Decay Score - Meta tags, canonicals, thin content, and freshness signals

Accessibility Scanner - WCAG 2.1 compliance with element-level remediation data

Security & Infrastructure - SSL, security headers, DNS propagation, and tech stack detection

GEO/AEO Optimization - Readiness signals for AI and generative search engines

Blog & Content Audit - Readability, keyword density, and internal linking analysis

Link Checker & Reliability - Broken links, redirect chains, and uptime monitoring

CTA & Conversion Analysis - Call-to-action effectiveness and UX evaluation

Stress Testing - Server load testing to surface performance bottlenecks

WordPress & Shopify Plugins - One-click integrations powered by the same API

How It WorksPOST a URL to any Scanner 64 endpoint and receive structured JSON in seconds. Use the included Dashboard Builder to compose endpoints into custom reports, or call the API directly from any language — Node, Python, Ruby, PHP, Go, or curl.PricingScanner 64 starts at $10/month with every endpoint included on every tier. Drag the pricing slider to set your monthly request budget up to $99/month, with higher volume plans available for agencies and platforms.