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Instant on-page SEO analysis. Meta tags, schema, headings, images, and SEO score in one click. Free, no account needed. SEObolt SEO Checker gives you instant on-page SEO analysis for any webpage — one click, right from your browser toolbar. No account required. No data collected. No external requests. 100% free. WHAT YOU GET Click the SEObolt icon on any page and get a complete SEO breakdown in seconds: ★ SEO Score (0-100) A quick health score based on meta tags, social tags, schema markup, headings, and images. Green (80+), yellow (50-79), or red (below 50) — so you know at a glance where a page stands. ★ Meta Tags Analysis Title tag — length check, truncation warning Meta description — length validation (120-160 chars) Canonical URL — present and matching Robots directive — index/noindex status Viewport — mobile-ready check Charset — encoding declaration Favicon — detected or missing Language — html lang attribute ★ Open Graph & Social Tags Full audit of og:title, og:description, og:image, og:url, og:type, og:site_name Twitter Card validation — twitter:card, twitter:title, twitter:description, twitter:image, twitter:site Missing tag warnings with clear recommendations ★ Schema / Structured Data Detects all JSON-LD blocks on the page Lists every schema type found (Product, Article, FAQ, BreadcrumbList, Organization, etc.) Shows property count per schema Flags invalid JSON and missing @context No need to view source or paste into Google's testing tool — see it all instantly ★ Heading Structure H1 count — warns if zero or more than one Full heading hierarchy tree (H1 through H6) Heading order validation — flags skipped levels (H1 jumping to H3) Visual tag badges so you can scan the structure at a glance ★ Image Audit Total images on page Missing alt text — count and list of offending images Missing width/height attributes (Cumulative Layout Shift risk) Lazy loading detection Helps you find accessibility and performance gaps in seconds ★ Links & Page Stats Internal vs external link count Nofollow link detection Word count (visible text) DOM element count All in one organized view WHO IS THIS FOR? SEO professionals — quick audit any page without opening DevTools or pasting URLs into web tools - Content marketers — check your meta tags, social previews, and schema before publishing - Freelancers and agencies — audit client sites on the fly during calls or reviews - Developers — verify structured data, heading hierarchy, and image attributes without switching tools - WordPress users — complement your SEO plugin with a browser-level view that works on any site - Shopify, Wix, Squarespace users — get the same SEO insights regardless of your platform. This is not CMS-specific. - Competitive researchers — analyze any competitor's on-page SEO in one click HOW IT WORKS 1. Install the extension (takes 2 seconds) 2. Visit any webpage 3. Click the SEObolt icon in your toolbar 4. Get instant results organized in 6 tabs: Meta, Social, Schema, Headings, Images, Links That's it. No setup, no configuration, no learning curve. PRIVACY — ZERO DATA COLLECTION This extension does not collect, transmit, or store any data. Period. Every analysis runs entirely in your browser using client-side JavaScript. No page content, URLs, or browsing history is sent to any server. No analytics. No tracking pixels. No cookies. The only permissions requested are: — activeTab: access the current page only when you click the extension icon — scripting: inject the analysis script to read the page's HTML We believe SEO tools should help you, not spy on you. Full privacy policy at https://seobolt.io/privacy WHAT MAKES THIS DIFFERENT? Most SEO browser extensions either: — Require an account and API key before you can use them — Send your browsing data to their servers — Lock basic features behind a paid subscription — Load slowly because they phone home on every page SEObolt SEO Checker does none of that. It works instantly, locally, and completely free. BUILT BY ROYAL PLUGINS SEObolt SEO Checker is built by the team behind SEObolt ([seobolt.io](http://seobolt.io/)) — technical SEO tools trusted by WordPress sites worldwide. We also build GuardPress (security), SiteVault (backups), Royal Links (link management), and other WordPress plugins used by thousands of sites. For advanced features like keyword rank tracking, automated SEO reports, Google Search Console integration, and AI-powered content analysis, visit [https://seobolt.io](https://seobolt.io/) SUPPORT Questions or feedback? Contact us at https://royalplugins.com/support/ or email [support@royalplugins.com](mailto:support@royalplugins.com) WHAT'S NEW v1.1.0 — April 2026 • Anonymous usage analytics added to help improve the product. Only aggregate event data (scan completions, score, hostname) is collected. Never full URLs, page content, or personal info. See privacy policy: https://seobolt.io/privacy • No new user-facing features in this release. v1.0.0 — Initial release • Instant on-page SEO analysis with overall score • Meta tags, social tags, schema, headings, images, links • 100% local analysis — your page data stays in your browser v1.1.1— Adds audit history (last 10 audits saved locally) and Markdown/CSV/JSON export of any audit. No new permissions.