TD Site Inspector by TD Tag & Consent Inspector

TD Site Inspector gives you the full picture of the website you're visiting, in three tabs.

STACK
• CMS & technology — WordPress, Joomla, Drupal, Shopify, Wix, Squarespace, Webflow, PrestaShop, Magento, TYPO3.
• Server & stack from real headers — Apache/Nginx/LiteSpeed/IIS, PHP (with version), cookie hints, CDN/cache/panel (Cloudflare, Varnish, Fastly, Plesk, LiteSpeed Cache).
• Security headers with a score — HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, COOP, CORP, COEP.
• Active template/theme (version on WordPress), YOOtheme Pro, WP & Joomla plugins/extensions, CMS version vs latest stable, JS frameworks & libraries.

SEO
• SEO score (A–F) and a checklist of things to fix.
• Checks: title, meta description, H1, image alt, canonical, indexing (noindex), mobile viewport, language, Open Graph, Twitter Card, structured data (JSON-LD), HTTPS, favicon, hreflang.
• Heading structure (H1–H6), Google snippet preview, social (Open Graph) preview, images & links summary.

TOOLS
• WHOIS / IP / Hosting in a draggable panel with local history.
• What-the-Font: pick an element and see the rendered font, with history.
• Color picker (pixel-level eyedropper) with color history.
• Highlight on the page: headings (H1–H6), images without alt, nofollow links.

Also: light/dark theme, Italian/English interface, info panel.
No account. No personal data collected: preferences and histories stay local only.