SEO & Web Diagnostics
UTM builder, robots.txt, CSP, CORS, SSL checker, and more. — 11 tools
UTM Builder
Runs locally
Generate UTM-tagged URLs.
Robots.txt Generator
Runs locally
Generate robots.txt rules.
Schema.org JSON-LD Generator
Runs locally
Generate common JSON-LD snippets.
CSP Builder
Runs locally
Build Content-Security-Policy header safely.
CORS Header Builder
Runs locally
Build/explain CORS headers.
Cookie Parser
Runs locally
Parse Cookie and Set-Cookie headers.
Open Graph Preview by URL
Uses backend
Fetch URL and render OG preview.
HTTP Header Checker
Uses backend
Fetch URL and inspect response headers.
Redirect Chain Checker
Uses backend
Follow and display redirect chain.
SSL Certificate Checker
Uses backend
Inspect certificate issuer, validity, SAN, TLS details.
Website Metadata Scanner
Uses backend
Fetch title/meta/canonical/OG/schema.