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Description
Detailed SEO analysis tool for web pages SEOninja is a lightweight, privacy-first AI-powered SEO analyzer. Audit any page with one click: titles, meta tags, headings, links, images, structured data, social cards, CSS/JS resources, and AI-assisted content optimization. Everything runs locally in your browser (Manifest V3). Key features Summary: HTTP status code badge on extension icon; indexability, canonical/robots, language, URL; title/meta length checks; H1–H6 counts; quick links to robots.txt and sitemap.xml; AI-powered title and meta description rewriting with OpenAI/Pollinations integration. Headings: List, search, copy, and highlight H1–H6 directly on the page; AI-powered heading optimization suggestions. Images: Alt-text status, previews, broken image warnings; open or highlight in context. Links: Internal/external link lists with search, highlight, and open in new tab. Schema: Detect JSON-LD, Microdata, RDFa; error spotting, export; open Google Rich Results Test and Schema.org Validator. Open Graph: OG + Twitter tags with live previews for Facebook, Twitter, LinkedIn. CSS/JS: Unused/large/render-blocking detection; domain/type filters; SRI and mixed-content checks; performance hints. DataLayer: Inspect dataLayer, digitalData, utag_data, adobeDataLayer with table/JSON views and instant search. PageSpeed: Google PageSpeed Insights integration with mobile/desktop performance scores; configurable API key in settings. Token Prediction: Enter your OpenAI API key to explore next-token probabilities and export results; collapsible info panel with SEO importance explanations. AI Content Generator: Create SEO-optimized content with Pollinations AI; blog posts, product descriptions, meta descriptions, and landing pages; customizable tone, length, and prompts; content persistence across sessions. Settings: Centralized AI configuration (provider, API keys, models, language, tone); separate character limits for titles (30-100) and descriptions (100-250); organized tabs for General AI, Token Prediction, PageSpeed, and About. Privacy & permissions Runs fully client-side; no sign-up, no servers, no data leaves your browser unless you explicitly use AI features (OpenAI/Pollinations APIs). Uses activeTab, scripting, storage, webRequest, and webNavigation to analyze pages, track HTTP status codes, and remember preferences. Great for SEO specialists, content editors, developers, product teams, and QA who need fast, trustworthy on-page checks and AI-assisted content optimization without leaving the browser. Getting started 1. Open any page and check the extension icon badge for HTTP status code (200, 301, 404, etc.) 2. Click the SEOninja icon to explore Summary, Headings, Images, Links, Schema, CSS/JS, Open Graph, DataLayer, PageSpeed, Token Prediction, and AI Content tabs 3. Configure AI settings in Options (right-click extension icon → Options) for enhanced features 4. Use "Generate with AI" buttons throughout the extension for instant SEO improvements 5. Create custom SEO content with the AI Content Generator tab