Free Website Scanner
See everything wrong with your website in 60 seconds. Speed, SEO, security, tech stack, and hosting cost in one report.
What We Scan
Performance & Core Web Vitals
Lighthouse scores plus LCP, CLS, INP, FCP, and TTFB measurements with optimization tips.
SEO Analysis
Meta tags, headings, canonical URLs, Open Graph, robots.txt, and sitemap checks.
Security Audit
HTTPS, security headers, Mozilla Observatory grade, and W3C validation.
Accessibility (WCAG)
Alt text, ARIA landmarks, form labels, color contrast, and keyboard navigation.
Structured Data
JSON-LD and Schema.org validation with rich snippet eligibility checks.
Image Optimization
Dimensions, lazy loading, srcset, modern formats (WebP/AVIF), and alt text.
Mobile UX
Viewport configuration, tap targets, and responsive design patterns.
Content & Readability
Flesch-Kincaid grade, word count, text-to-HTML ratio, and heading structure.
Link Audit
Broken links, redirect chains, orphaned pages, and low-inbound pages.
Tech Stack Detection
CMS, frameworks, hosting provider, CDN, and estimated monthly hosting cost.
Conversion Readiness
CTAs, contact forms, phone numbers, trust signals, and social links.
Privacy Compliance
Cookie consent banners, privacy policy, and terms of service detection.
How It Works
Enter Your URL
Paste any publicly accessible website URL into the scanner.
Wait ~60 Seconds
The scanner runs 12+ audits in parallel. Results stream in real-time.
Get Your Report
Review your overall grade, category scores, and actionable recommendations.
Frequently Asked Questions
- Is scan.vaza.ai free?
- Yes, completely free with no signup required. Enter any URL and get a full audit report covering performance, SEO, security, accessibility, and more.
- How long does a website scan take?
- Most scans complete in about 60 seconds. Results stream in real-time as each audit category finishes.
- What does the website scanner check?
- The scanner audits performance (Core Web Vitals, Lighthouse), SEO, security headers, accessibility (WCAG), structured data, image optimization, mobile UX, content readability, links, tech stack, and conversion readiness.
- How is the overall grade calculated?
- The grade is a weighted average of category scores. Performance and SEO each carry 25%, Security and Content 15% each, and Technology and Links 10% each.
- How often should I scan my website?
- We recommend scanning after any major update or at least monthly to catch new issues before they affect your rankings or user experience.
- Who built this tool?
- scan.vaza.ai is built by vaza.ai, a web development agency specializing in websites for contractors and small businesses.