SEO & Website Tools
Audit public speed, inspect meta tags, generate robots directives, and verify SSL security.
Website Speed Tester
Analyze public Core Web Vitals and Lighthouse performance metrics via Google PageSpeed Insights.
Meta Tag Generator
Craft social Open Graph, Twitter card, and search-optimized HTML meta tag snippets.
Open Graph Preview
Preview how any web page appears when shared across Twitter, Facebook, and LinkedIn.
Robots.txt Generator
Generate search crawler directives and sitemap declarations for web robots.
Sitemap Generator
Build XML sitemap files from URL lists with proper entity escaping and lastmod tags.
Schema Markup Generator
Generate JSON-LD structured data for Organizations, Persons, Articles, and Products.
Broken Link Checker
Crawl public websites within bounded limits to detect dead links and 404 errors.
SSL Certificate Checker
Inspect public TLS/HTTPS certificates, expiration dates, and SAN subject names.
HTTP Headers Analyzer
Analyze response headers, security flags (HSTS, CSP), and redirect chains for public URLs.
CORS Tester
Inspect CORS headers and preflight configuration on public API endpoints.