Validate OpenGraph cards, Twitter preview cards, canonical tags, sitemap.xml indexing, and link crawl budgets.
Inspects title tag length, meta description relevance, og:image dimensions (1200x630), self-referential canonical tags, XML sitemap validity, and 404 broken link detection.
Canonical test payload dispatched during security surface audits.
Missing canonical tag and missing og:image fallbackWatch the probe engine test this signature in an isolated sandbox.
Next.js Metadata API Export
// Empty metadata in page
export const metadata: Metadata = {
title: 'Scanlyst — Modern Attack Surface Intelligence',
description: '41 scanners running 200+ checks.',
openGraph: { images: ['/og-image.png'] },
alternates: { canonical: 'https://scanlyst.dev' },
};Export comprehensive metadata including canonical URLs and high-resolution OpenGraph cards for social indexing.
Copy and paste into your editor to refactor this issue automatically.
Test your public domain specifically for Technical SEO & Metadata Scanner.
Checks commonly evaluated alongside Technical SEO & Metadata Scanner during surface discovery.
Detect explicit software and framework version banners in response headers that help attackers target exploits.
Verify mail server records, reverse DNS (PTR), and blacklist reputation to prevent transactional emails from hitting spam.
Scan your DOM for color contrast ratios, missing alt attributes, keyboard navigation traps, and ARIA labels.
Audit your site across all 41 vectors automatically on every deploy.