Moz Toolbar
MozBar is a free browser extension from Moz that overlays SEO metrics like Domain Authority, Page Authority, and on-page element data directly in the browser.
Key takeaways
- MozBar is a free browser extension for quick SEO metric checks.
- It displays Domain Authority, Page Authority, and on-page elements.
- Use it for SERP analysis, competitor research, and link prospecting.
- Do not rely on it for deep technical audits or keyword difficulty.
- Some features require a Moz Pro subscription.
It helps SEO practitioners quickly triage pages, compare competitors, and inspect on-page signals without switching tools.
What people use it for
- Quick SERP analysis: See Domain Authority, Page Authority, and backlink counts for each search result.
- On-page inspection: View title tags, meta descriptions, alt text, and robots directives.
- Link prospecting: Identify followed vs. nofollowed links and internal vs. external links.
- Competitor research: Compare metrics across multiple sites in one view.
- Localized SERP checks: Change search locale to see results from different regions.
Quick start
- Install MozBar from the Chrome Web Store or Firefox Add-ons.
- Pin the extension to your browser toolbar.
- Click the MozBar icon to open the settings panel.
- Log in to your Moz account (optional but recommended for full features).
- Browse any page or SERP to see metrics overlaid automatically.
When not to start here
- Full site audits: MozBar is a surface-level tool; use a crawler like Screaming Frog for deep technical analysis.
- Keyword difficulty scores: MozBar does not provide keyword difficulty; use Moz Keyword Explorer instead.
- Log file analysis: MozBar cannot analyze server logs; use tools like Splunk for that.
- Real-time ranking tracking: MozBar shows static metrics, not live position changes.
Alternatives
| Tool | Description |
|---|---|
| Ahrefs | Paid tool with extensive backlink analysis and site audit features. |
| Semrush | All-in-one SEO suite with keyword research, competitor analysis, and more. |
| Ubersuggest | Freemium tool offering keyword suggestions and domain overviews. |
| Similarweb | Free and paid traffic analytics and competitive intelligence. |
Next step
FAQ
Is MozBar free?
Yes, MozBar is free to download and use. Some advanced features require a Moz Pro subscription.
Does MozBar work on all browsers?
MozBar is available for Google Chrome and Firefox.
Can I use MozBar without a Moz account?
Basic features work without an account, but logging in unlocks additional metrics and functionality.
Related topics
Sources
- MozBar help guide — Primary product documentation describing features, setup, and core functionality.
- MozBar product page — Official product page confirming platform support and primary metrics.
- Chrome Web Store listing for MozBar — Official distribution listing confirming the extension name and browser availability.
- Moz blog announcement for MozBar v4 — Official update source showing the product has evolved and may change over time.
Reviewed by Lucía Marín, Founding editor.