SEO Analysis
Full spider audit validating canonical cascades, robots.txt directives, structured schema, sitemap indexing, and semantic meta hierarchy.
- ✓Canonical and meta verification
- ✓Open Graph & Twitter schema
- ✓Structured Rich Snippet check
Engine v3.4New: Real-time Core Web Vitals & Vulnerability Scan arrow_forward
Free SEO Checker & Website Audit Tool | SB SEO Analyzer
Analyze your website's SEO, security, and performance in seconds. Find technical issues, Core Web Vitals problems, and actionable fixes—all in one free audit.
✓ No signup required for your first scan•⚡ Instant 15-second audit•✓ Over 140,000+ domains inspected
99.4%Scan AccuracyVerified telemetry models
120+Health ChecksSEO, TLS, OWASP & Speed
ZeroScript FootprintNo tag manager injection
< 350msEdge ProcessingParallel distributed nodes
Multi-Vector Intelligence
Complete Diagnostic Stack in One Scan
Replace four disjointed diagnostic tools. Gain immediate technical parity across crawlers, browser execution engines, and penetration test benches.
Security Check
Deep cipher suite verification, DNSSEC validity, missing HTTP defense headers (CSP, HSTS, X-Frame), and global blacklist checks.
- ✓TLS 1.3 Cipher Suite test
- ✓CSP & Permissions-Policy audit
- ✓Phishing & malware blacklist query
Performance Speed
Chromium-based Core Web Vitals telemetry checking Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS), and server TTFB.
- ✓Real-device INP & FID benchmarks
- ✓Asset compression (Brotli/Gzip)
- ✓Render-blocking resource alerts
AI Remediation
Contextual LLM intelligence that deciphers esoteric server logs into copy-paste code fixes, Nginx snippets, and priority checklists.
- ✓Instant patch code generation
- ✓Severity impact weighting
- ✓One-click dev export (Jira / GitHub)
Live Inspection Telemetry
Diagnostic Report
Every scan generates a real report from the website you submit. Your latest report is saved securely in the analyzer database.
●
Waiting for a website…
Run a scan to generate a report
Preparing website scan…
10s
Connecting
SEO
Security
Performance
Domain Authority
Saving report
Overall Health Score
Waiting—out of 100
Enter a website above and start a scan. Your real analysis will appear here.
Passed Verifications—
Warnings & Notices—
Critical Bottlenecks—
SEO ScoreAwaiting scan
—/ 100
Security ScoreAwaiting scan
—/ 100
PerformanceAwaiting scan
—/ 100
Domain AuthorityAwaiting scan
—/ 100
list_alt Active Diagnostic Findings
0 findings
Your live findings will appear here after the scan.
Instant Code & Config Remediation
AI Insights & Prioritized Recommendations
Skip vague error logs. SB SEO Analyzer translates technical bottlenecks into direct, copy-paste engineering solutions with predictable impact metrics.
High Impact Performance+1.7s Boost
Compress hero banner WebP assets & defer offscreen images
Saving 820KB will drop LCP from 2.8s to 1.1s, boosting mobile rankings and reducing mobile visitor bounce rates across search landing routes.
Effort: 5m
Critical SecurityVulnerability
Enforce Strict-Transport-Security (HSTS) with preload
Prevents SSL-stripping and man-in-the-middle exploits. Add the Strict-Transport header directly to your Nginx gateway or Cloudflare edge rules in one step.
Effort: 2m
Organic Growth OpportunityIndex Clean
Resolve 3 duplicate title tags on paginated catalog URLs
Implement self-referential rel="canonical" tags and clean pagination query handlers to prevent search engine keyword cannibalization.
Effort: 10m
Integrated AI Copilot for Technical Teams
SB SEO Analyzer hooks directly into GitHub PR workflows, verifying fixes automatically before deploy.
Frictionless Diagnostic Workflow
Zero Setup. Instant Actionable Clarity.
No credit cards, zero SDK integrations, and no server configuration needed to obtain enterprise-grade telemetry.
1
Enter Your Website
Simply paste your domain, subdomain, or staging URL into the analyzer. No DNS verification, code installation, or account required.
inputInput: URL only
2
We Analyze Your Site
Our distributed edge crawler inspects 120+ checkpoints across technical SEO, server response latencies, TLS certificates, and render cycles.
memory120+ parallel checks
3
Get Your Action Report
Receive an intuitive health dashboard with overall score, categorized drill-downs, and copy-paste AI recommendations you can hand to developers.
task_altInstant PDF & Web Link
Knowledge Base
Frequently Asked Questions
Everything you need to know about our scanning engine and methodology.
Is the initial scan completely free?expand_more
Yes, you can run instant website audits without entering credit card details or creating an account. Our free tier provides full access to Core Web Vitals, core SEO checks, and high-priority vulnerability scoring.
How does SB SEO Analyzer compare to Google Lighthouse?expand_more
While Google Lighthouse evaluates purely client-side browser performance, SB SEO Analyzer combines technical crawler metrics, deep server security header audits (CSP, HSTS, SSL checks), on-page indexability, and context-aware AI remediation code you can hand straight to your engineering team.
Can I audit staging or password-protected sites?expand_more
Yes, Pro and Team plans can support custom request headers, authentication, user-agent whitelisting, and private network access once those features are enabled in the backend.
Are the AI recommendations automated or accurate?expand_more
AI recommendations should be treated as assisted guidance. Each suggestion should be reviewed against official Google Search Central, Chromium Core Web Vitals, and OWASP guidance before production deployment.
Immediate Full Diagnostic
Ready to Improve Your Website?
Audit your site now and discover instant performance, SEO, and security improvements before your competitors do.
✓ No credit card required•⚡ Instant 15-second audit•✓ OWASP & CWV Standards