SEO Checklist

Real-time on-page SEO analysis with social preview insights and quick access to SEO testing tools

SEO Checklist v1.3 – On-Page SEO Analyzer Chrome Extension SEO Checklist is a modern, privacy-friendly Chrome extension that provides instant, client-side on-page SEO analysis for any website you visit. It gives you a clear, actionable checklist and visual feedback to help you optimize your pages for search engines—no server, no data collection, no permissions beyond what’s needed. --- 🔍 Key Features - No Permissions Needed Beyond Active Tab: All analysis is performed client-side. No data leaves your browser. - One-Click Analysis: Instantly analyze the current tab’s HTML with a single click. - Visual SEO Score: Get a color-coded SEO score and feedback summary. - Detailed Checklist: Checks for: -- Title tag length (50–60 chars) -- Meta description length (120–160 chars) -- Heading structure (1 H1, multiple H2s) -- Content length (500+ words) -- Image alt texts -- Internal links -- Mobile viewport tag -- Canonical tag -- Schema markup -- Google Analytics / GA Tag implementation - Color-Coded Status: Good, Warning, and Needs Work indicators for each check. - Tooltips: Hover for actual content and recommendations. - Accordion UI: Expand/collapse categories for a clean, modern look. - Loading Indicator: See when analysis is running. - Google Analytics Detection: Detects if Google Analytics or Google Tag Manager is installed on your page - Social Preview Card: Preview social metadata (title, description, image, URL) directly in the extension popup. - Broken Link Check Status: Checks internal links and reports broken-link status for faster technical cleanup. - Test Recent URL Tools: Quick access to external SEO testing tools: -- Structured Data / Rich Results – Test with Google's Rich Result Testing Tool -- Google PageSpeed Insights – Analyze page performance and loading speed -- Facebook Sharing Debugger – Preview how your page appears when shared on Facebook -- LinkedIn Post Inspector – Preview how your page appears when shared on LinkedIn -- Each tool opens in a new tab with your current page URL automatically pre-filled - Works on Most Pages: (Not available on Chrome Web Store, extensions, or chrome:// pages due to browser restrictions.) --- ✨ What’s New in v1.3 (May 2026) - Social Preview Analyzer: Instantly preview Open Graph and Twitter-style title, description, image, and URL metadata. - Quick SEO Testing Tool Launcher: Open Rich Results Test, PageSpeed Insights, Facebook Sharing Debugger, and LinkedIn Post Inspector with one click. - Broken Link Visibility: Better internal-link quality checks with status feedback in the popup. - Performance + Workflow Benefits: -- Reduce manual QA time for technical SEO checks. -- Catch metadata and sharing-preview issues before publishing. -- Validate on-page SEO and off-page sharing readiness from one extension. ✨ What’s in v1.2.9 - Reduced permissions for safer browsing. - Improved heading order validation. - Internal & external link insights with detailed breakdowns. - Discernible link names check for accessibility. - Exportable PDF reports aligned with active features. --- 🚀 Why Choose SEO Checklist? - Save time on manual SEO QA. - Catch metadata and sharing‑preview issues before publishing. - Validate technical SEO and accessibility in seconds. - Free, open‑source, and continuously updated. --- 📥 Get Started - Install from Chrome Web Store (Check out this item on the Chrome Web Store https://chromewebstore.google.com/detail/jgigdhidhmgikfnccdnehcpgoggmagfh) - Watch the demo on YouTube (https://youtu.be/qd9OH9pfT7U) - Visit the product page (anupammondal.in in Bing) - Explore the GitHub repo (https://anupammondal.in/chrome-extension/seo-checklist) --- 🛠 Technical Highlights - Built with Chrome Extensions Manifest V3 API. - Lightweight, modular design for performance. - Works on most web pages (excluding Chrome Web Store, extensions, and chrome:// URLs). - Open‑source under MIT License.