The ultimate browser extension for SEO & GEO
Don't let your rankings go extinct!
Add to Chrome
Why you should use Rank-O-Saur
The Only Tool You Need
Stop juggling a dozen different browser extensions. Get everything you need for technical SEO in just one powerful tool.
Clean & Modern UI
No cluttered menus. Spot critical data immediately with a beautifully designed, intuitive flat interface.
Always Up-to-Date
The SEO industry changes fast. We continuously push updates and new features to keep you ahead of the curve.
100% Privacy Focused
Enjoy a blazing fast experience without any annoying ads or sneaky third-party tracking scripts.
All Features at a Glance
Sidebar View
- Persistent Analysis: Open Rank-O-Saur directly in your browser's side panel for a persistent, side-by-side technical SEO analysis without switching tabs.
- Seamless Workflow: Analyze elements without constantly toggling menus.
Overview & Meta Data
- Title & Description Check: Checks existence, character count, and pixel length incl. warnings for incorrect lengths.
- Quick Health Check: Shows the HTTP status code (e.g., 200 OK), file size, and the loaded URL.
- Live Status: Instant analysis of meta-robots, X-Robots-Tags, robots.txt, and canonical tags.
Crawling & Indexing
- Automatic Indexation Alarm: Icon immediately turns red on noindex or blockage by robots.txt.
- Canonical Tag Analysis: Checks for self-referencing and deviating URLs (avoiding duplicate content).
- Robots.txt & XML-Sitemap Check: Reads robots.txt live, evaluates wildcards (*) and linked sitemaps.
- X-Robots-Tag: Finds invisible server-side blocks in the HTTP header.
Content & Heading Structure
- H-Tag Hierarchy: Detailed tree of all headings (H1-H6). Finds structural errors and missing H1s.
- Visual Highlighting: Highlights headings directly on the website for visual inspection.
- Word Count: Quick analysis of text length in the body section.
- Export Functionality: Copy your heading structure as a table or CSV.
Link Analysis & Status Check
- Comprehensive Link Extractor: Filters by internal, external, nofollow/dofollow, parameters, and duplicates.
- Live Status Checker: Checks all links for 404 errors or redirects (301/302) with one click.
- On-Page Highlighting: Highlights internal (green), external (yellow), and nofollow (dashed) directly in the text.
- Anchor Text Analysis: Clearly lists all used anchor texts.
AI & LLM Crawler Access Check
In the age of Google SGE, ChatGPT, and Claude, it is essential to know which AI bots are allowed to read your content. Rank-O-Saur checks access live via robots.txt and verifies your llms.txt file:
In-Search Data Widget
- Sistrix Integration: View search volume, competition metrics, and estimated CPC directly inside Google Search results.
- Google Trends Chart: Displays a live 12-month / 5 years interest trend chart for your search query.
International SEO
- HTML Lang Attribute: Verifies the declared main language.
- Hreflang Validation: Lists all hreflang tags and highlights the active language version.
- Return-Tag Checker: Live check whether international pages correctly point back to the original URL.
Google Location Search
- Local Search Simulation: Change your search location to see localized Google search results from anywhere in the world.
- Language Overrides: Combine location settings with specific browser languages for precise SERP analysis.
Image SEO
- Missing ALT-Tags: Instantly finds all images without an ALT attribute.
- Format & Size Check: Analyzes the file format (e.g., WebP) and warns of oversized images (> 500 KB).
Structured Data (JSON-LD)
- Markup Extraction: Reads all Schema.org JSON-LD scripts and displays the categories (@type).
- Code Viewer & Copy: Integrated editor with syntax highlighting.
- 1-Click Testing: Direct links to the Google Rich Results Test and Schema.org Validator.
Pro Features & Shortcuts
- Custom User-Agents: Simulate requests as Googlebot (Desktop/Mobile), ChatGPT-User, or create custom agents.
- Custom HTTP Header: Add a custom HTTP Header to your requests, for example when testing in a staging environment.
- JS vs. No-JS: Compare the page with and without JavaScript in a side-by-side view (visual and code wise).
- Dark Mode & Multi-Language: Available in English, German, Spanish, and French.
Get Rank-O-Saur Today
Exclusively available for Google Chrome.
Frequently Asked Questions
Everything worth knowing before you install.
What is Rank-O-Saur and how does it work?
Rank-O-Saur is a powerful browser extension that provides instant, on-page insights to help you analyze your onsite SEO metrics and data.
Is Rank-O-Saur free to use?
Yes! Rank-O-Saur is completely free, without any limitations.
Which browsers are compatible with the Rank-O-Saur extension?
Currently, Rank-O-Saur is optimized for Google Chrome. We are actively working on expanding to other browsers in the future.
How do I install the Rank-O-Saur extension?
Installation is simple. Just head to the Chrome Web Store, search for Rank-O-Saur, and click "Add to Browser." You'll be up and running in seconds.
Do I need to create an account to use it?
You dont need to create an account. In fact, wo dont offer that feature.
Is my browsing data safe and private?
Absolutely. We take your privacy seriously. Rank-O-Saur uses local data only, so there is no data beeing transfered to us.
Will Rank-O-Saur slow down my browser?
No. Rank-O-Saur is built to be lightweight and highly efficient. It operates seamlessly in the background and only triggers when you actively request data or click the extension icon.
How do I get help or report a bug?
If you run into any issues or have questions, you can reach out to our support team directly through the extension's settings menu or by visiting the Contact page on our website.