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Description
Developer-grade technical SEO inspector. Headers, redirects, JSON-LD, DOM diff. Free, no account. SEO Inspector reads the page you're on and shows the SEO data developers actually need. Click the icon. See title, meta, canonical, robots, JSON-LD, OG cards, image alts, link inventory, hreflang. Hit Copy and the whole audit goes to your clipboard as JSON. What it shows: - Live SERP preview with pixel-width title and description. - H1-H6 outline. Flags missing or duplicate H1. - Canonical URL. Flags cross-domain canonicals red. - Robots meta. Unmissable noindex badge if set. - Open Graph and Twitter card preview with the image. - Schema.org JSON-LD, pretty-printed and copyable. Almost no other tool does this. - Image alt audit. Counts missing, decorative, and lazy-loaded. - Link inventory with on-page nofollow overlay. Dashed red outline for nofollow, orange for sponsored, blue for UGC. - Mobile viewport check. - Hreflang validation. Flags invalid codes and missing x-default. - Canonical and robots conflict detector. Catches self-canonical with noindex. - Copy the entire audit as JSON. Cmd+Shift+C or the button. Why pick this over the other: - Free. No account. No telemetry. No paywall creep. - No "read your data on all websites" install warning. The popup only reads the tab when you click it. - JSON-LD pretty-print and copy. Hreflang validation. Nofollow overlay. The things paid tools gate. - Copy whole audit as JSON. Pipe it into your own scripts.