The ultimate browser extension for SEO, GEO & LLM.
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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
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:
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.
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.
- JS vs. No-JS: Compare the page with and without JavaScript in a side-by-side view (important for CSR audits).
- Custom Shortcuts: Add custom parameterized URLs (e.g., {url}, {host}), supplementing the Sistrix/GSC default links.
- Dark Mode & Multi-Language: Available in English, German, Spanish, and French.
Get Rank-O-Saur Today
Available for all major Chromium and Firefox-based browsers.