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Visualize H1–H6 headings and meta tags on any webpage. Simple SEO inspection tool. H-tag is a free Chrome extension for SEO specialists, developers, and content editors who want to analyze heading structure instantly. ✔ Highlight H1–H6 tags directly on the page ✔ Instantly understand page hierarchy ✔ View key meta tags (title, description, robots, canonical, viewport) Perfect for: • SEO audits • Technical SEO • Content structure validation How to use: • Click "Show/Hide Tags" to display headings • Click "Show/Hide Meta" to view meta information • Click "Reset Page" to restore the original view H-tag is a free non-profit project built for the community. No ads. No tracking. No monetization. If you find it useful, consider leaving a review ⭐
Ahrefs SEO Toolbar
Save hours with a complete toolkit in one SEO extension. Insights for on-page, keyword research, and link analysis on any webpage. Ahrefs toolbar is free and gives you detailed SEO insights without leaving your browser. 🌍 Global SEO research (No VPN needed) Switch regions, Google domains, languages, and get new keyword ideas directly in search results. 📃 On-page SEO data in 1 click Check titles, meta descriptions, headers, and technical SEO factors like canonical tags and indexation directives in one click. 🔗 Link analysis made easy Highlight links on the page, trace redirects, filter outgoing links, spot broken links, and export all the data to CSV. 🛠 Detailed SEO research tools Save URLs from open tabs or a SERP, switch user agents to see pages like Googlebot, read HTTP headers, and get performance data for page speed insights. ✨ Paid Ahrefs users unlock Ahrefs metrics: See domain and page-level metrics like keyword counts, traffic estimates, referring domains, and more - directly on every site or result. 📌 Note: Ahrefs subscription is required for access to Ahrefs metrics. The core tools of this SEO extension remain completely free.
Mine.Organic: SEO Vision: Page Audit, Meta & Keyword Checker
One-click SEO audit: analyze meta tags, H1-H6, keywords, and technical SEO. Includes Page Score, schema validation, and CSV export. 🔎 SEO Sidebar & On-Page SEO Analyzer for Chrome Mine.Organic: SEO Vision is a powerful SEO tool and Chrome SEO extension that performs a complete on-page SEO audit directly in your browser. Analyze meta tags, headings, links, structured data, technical SEO signals, DNS and SSL configuration — all in one click from the Chrome Side Panel. If you work with SEO, digital marketing, website optimization, or technical audits, this SEO analyzer helps you quickly identify issues and improve search performance. 🔍 Complete On-Page SEO Audit - This SEO extension analyzes the current webpage and provides a structured website audit across key ranking factors: * Meta tags checker (Title, Description, Canonical) * Open Graph & Twitter Card validation * H1–H6 heading structure analysis * Internal vs. external link audit (nofollow, sponsored) * Image SEO checks (Alt attributes, MIME type) * Structured data detection (JSON-LD & Microdata) * Technical SEO signals (HTTPS, robots.txt, sitemap) * Core Web Vitals (LCP, FCP, TTFB) * Accessibility checks * DNS configuration checks (DoH resolvers) * SSL certificate validation across IPs * Certificate Transparency audit All issues are grouped into clear categories: Meta, Content, Technical, Performance, and Accessibility. 🚀 Instant Website Analysis Run a full SEO audit on any page without copying URLs into external tools. 🧩 Side Panel Workflow Works in the Chrome Side Panel, giving you a persistent, professional audit view while browsing. 🎯Visual SEO Issue Highlighter Highlight missing alt text, structural issues, and SEO errors directly on the page. 📤 Export SEO Reports Download audit results as CSV or JSON for client reports, competitor research, or internal tracking. 📈 Improve Rankings with Data, Not Guesswork Whether you’re performing a technical SEO audit, reviewing competitor pages, or optimizing content before publishing, this Chrome SEO extension gives you actionable insights instantly.
SEO Health Checker - On-Page SEO Audit
SEO Health Checker audits on-page SEO in one click. Check meta tags, headings, links, schema, images, keyword density and SEO health SEO Health Checker is a powerful yet lightweight on-page SEO Chrome extension that helps you get a comprehensive audit of any webpage, identify critical issues, receive clear, actionable recommendations, and view an overall SEO score to improve your search engine rankings in seconds. Designed for SEO professionals, digital marketers, developers, and content teams, this extension replaces repetitive manual SEO checks with instant, real-time insights directly on the live page. Whether you’re auditing a landing page, product page, blog post, or SaaS page, SEO Health Checker gives you everything you need without running heavy crawlers. 🚀 Key Features (Basic and Advanced) ⚡ Basic Features of SEO Health Checker Perfect for daily SEO reviews and quick audits: ✔ Meta Title and Meta Description Analyzer: Real-time length validation with SEO best-practice limits ✔ Canonical URL Checker: Instantly detects missing or mismatched canonical tags ✔ Heading Structure Audit (H1–H6): Visual hierarchy with alerts for missing or multiple H1s ✔ Structured Data Detection: Detect, preview, and copy JSON-LD schema markup ✔ Internal vs External Link Analysis: Dofollow and nofollow breakdown with live highlighting ✔ Image SEO Audit: Find images missing alt attributes with previews ✔ Overall SEO Health Score: On-page SEO score shown directly on the extension badge ⚡ Advanced Features of SEO Health Checker Built for deeper optimization and faster decision-making: ✔ Primary Keyword Analyzer: Checks keyword presence in - Title, Headings (H1/H2), Meta description, URL, First 100 words ✔ Keyword Density and Phrase Analysis: Analyze 2–5 word keyword combinations with density % ✔ Live Page Highlighting: Instantly highlight headings, external links, and nofollow links ✔ Site Verification Tag Detection: Detect Google, Bing, Ahrefs, Facebook, Pinterest, and more tag ✔ One-Click Copy Tools: Copy meta tags, structured data, and social tags instantly and more ✔ Clean UI with Dark Mode: Comfortable audits during long SEO sessions 🎯 Ideal Use Cases of SEO Health Checker SEO Health Checker is perfect for: ✔ Pre-launch landing page SEO audits ✔ Ecommerce product page SEO checks ✔ Content QA before publishing ✔ Reviewing pages built by dev or content teams ✔ Quick SEO sanity checks without full crawls 🔒 Privacy-First and Lightweight ✔ Works directly on the page ✔ No data sent to external servers ✔ Fast, clean, and easy to use Why SEO Professionals Love SEO Health Checker ✔ Saves time ✔ Reduces manual SEO work ✔ Improves on-page SEO accuracy ✔ Perfect for daily SEO workflows If you’re looking for a free, fast, and reliable on-page SEO Chrome extension, SEO Health Checker is built for you. For a deep technical audit or custom SEO strategy, visit alimammiya.com
Meta Explorer - SEO Meta and On-Page SEO tools
Meta Tag Explorer is the best SEO tool to find SEO Meta of any website you browse Meta Explorer - The easiest and fastest way to find SEO Meta. - Find issues with your on page SEO in seconds (You can export issues as csv). - Pin the extension to keep it open across page refreshes. This comes in handy if you want to check SEO Meta of your content pages like your blog. - Works well on single page apps - Pleasant and modern UI All the existing tools need you to either click on an extension or copy paste the url in a tool to check the on page SEO. This gets very cumbersome if you have to check the on-page SEO for multiple pages, like a blog. With Meta Explorer, you don't need any clicks or copy-paste. Pin the extension & navigate to any page whose meta & on-page SEO you want to check and voila! you have the info in the sidebar. It also has a modern and pleasing UI. You won't get tired of looking at bad UI anymore. Key Features ✅ View & Copy meta tags ✅ View social tags (OG, Twitter) ✅ View header element count ✅ View header hierarchy ✅ Image file names & alt text ✅ Internal & External link count ✅ Links with Anchor text ✅ Scroll links into view ✅ Show schema markup if present ✅ Keyboard shortcut to toggle extension open/close (Cmd+Shift+E / Ctrl+Shift+E) 🐜 Issues - Check & Fix issues to improve your on page SEO. - Check Web Vitals - Export issues as CSV. 🔗 LINKS - Internal, External, No Follow link count - Links with Anchor text. - Check broken links - You can scroll the link into your view with a single click. 💬 Social - Check social preview of the site (Google, Twitter/X, Facebook, Linkedin, Slack) 🔧 Tools - Page speed insights - Ahrefs website authority checker - Partner SEO tools - Some links are affiliate links. Using them supports me to keep improving the extension. 🧐 Privacy - We don't collect any personal data or track any of your usage metrics. - We make network requests only to check broken links on your site, after you click on `Check Broken Links` button.
