SEO Page Checker

Analyze on-page SEO instantly and get detailed insights with recommendations to fix issues.

Seonio helps you check the on-page SEO of any webpage in seconds, directly from Chrome’s side panel. Open the page you want to review, click the Seonio icon, and run a quick SEO scan without leaving the browser. Get a clear score, grouped recommendations, and practical fixes so you can spot SEO issues before publishing or during page reviews. Use Seonio to check: – Title tags and meta descriptions – Indexability signals – Canonical tags – Heading structure – H1 issues – Thin content signals – Internal and external links – Image alt text – Open Graph and Twitter social tags – Structured data presence – Technical HTML signals such as viewport, charset, doctype, and DOM size Seonio is useful for bloggers, content creators, SEO specialists, freelancers, agencies, developers, and website owners who want a fast page-by-page SEO review. Key features – Instant page audit: Run an SEO check on the current tab and get results in seconds. – Clear SEO score: See an overall score with critical issues, warnings, and positive checks. – Actionable recommendations: Each finding includes a short explanation and a suggested fix. – HTML evidence: Review the exact page snippet that triggered an issue. – SERP and social previews: Preview how your page metadata may appear in search and social sharing contexts. – Export options: Export your audit report as Markdown or HTML for documentation, client work, or QA. Private by design: Seonio runs locally in your browser. It does not use external APIs, telemetry, or a backend.