Whether you’re auditing a landing page, evaluating competitor content, or verifying a client’s site health, every click counts. Yet most tools slow you down with logins, dashboards, or paywalls. That’s where this Chrome and Firefox Extension stands apart — it’s instant, free, and built by SEO professionals who actually live in the trenches.
Detailed Browser Extension
This isn’t another bloated SaaS platform; it’s just a simple SEO browser extension. You don’t even need to register or log in. You install it, click the icon, and get actionable page-level insights in milliseconds. This extension has become one of the most trusted, no-nonsense tools in the industry, with more than 450,000 weekly users and glowing praise for its speed, simplicity, and accuracy.
The Detailed SEO Extension offers deep, technical insights that typically require several tools — all within one click. There are no upsells, tracking scripts, or premium tiers. It’s completely free and regularly updated with features that working SEOs actually request.
The extension pulls back the curtain on any page you’re analyzing, surfacing structured data, headings, links, schema markup, and more — without needing to sift through source code. Every element is displayed in a clean, well-organized interface that saves you seconds on every page, adding up to serious time saved over the course of a week.
Key Features That Make It Indispensable
Each feature is designed to eliminate friction and give you fast, reliable SEO data at a glance:
- Duplicate Content Finder: Quickly check if highlighted text appears elsewhere on the web to identify plagiarism or cannibalization issues.
- Headings Overview: Instantly view all H1–H6 tags in order, with indentation and font sizing to visualize structure and detect over-optimization.
- Hreflang Insights: Verify localized versions of a page and their HTTP status codes directly under the Schema > Hreflang tab.
- Image Exports: Export all image URLs from a page as a CSV file for audits or asset management.
- Link Analysis: Identify nofollow and sponsored attributes, export complete link lists, and view incomplete URLs.
- People Also Asked Extractor: Capture People Also Asked questions from Google results in one click for keyword and content opportunities.
- Right-Click Superpowers: Instantly open any page in Ahrefs, Moz, Majestic, Semrush, Archive.org, or SimilarWeb.
- Schema Viewer: View all structured data markup without opening a testing tool.
- Sitemap Shortcut: Jump straight to a site’s sitemap.xml with one click.
- User Agent Switcher: Emulate Googlebot or other user agents to see how your site renders for crawlers.
With Dark Mode, quick copy features, and an updated Right-Click Menu, it’s clear why this is the go-to tool for full-time SEOs. The developers continuously release improvements, like the recent Chrome compliance updates, schema visualization tweaks, and enhanced People Also Ask (PAA) extraction, ensuring it always stays ahead of Google’s evolving ecosystem.
How to Get Started
It couldn’t be simpler. Visit the Detailed SEO Extension page for Chrome or Firefox, click Add to Browser, and you’re done. There’s no setup, account, or API key required. The moment it’s installed, you can begin auditing pages instantly.
The Detailed Chrome and Firefox Extension embodies everything an SEO tool should be: fast, transparent, and completely free. Built by Glen Allsopp and the Detailed team — creators of the elite SEO Blueprint framework — this extension strips away the clutter, allowing both professionals and beginners to focus on what truly matters: optimizing pages that perform.
Install the Detailed SEO Extension
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