Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of MozBar

MozBar by Moz

MozBar: The All-In-One SEO Toolbar Analyze SEO metrics, audit on-page elements, and track Domain Authority in real-time.

Available on Firefox for Android™Available on Firefox for Android™
5 (2 reviews)5 (2 reviews)
Download Firefox and get the extension
Download file

Extension Metadata

Screenshots
MozBar is the all-in-one SEO toolbar for keyword research, SERP analysis, and link building.Get recommendations on how to optimize your page for targeted keywords using our On-Page Grader tool.Powered by our Keyword Explorer tool, see what keyowrds a site is already ranking for.SERP Overlay provides metrics such as Domain Authority, Page Authority, Linking Domains, and Links to Page.Get access to Moz's trusted link metrics on the go.
About this extension
The industry’s most trusted SEO extension has been completely re-engineered for Firefox. MozBar V5 is a faster, more powerful SEO toolkit built for the modern web. Whether you are performing competitive research or a technical site audit, MozBar provides instant data as you analyze websites.

What’s New in MozBar for Firefox:

We’ve rebuilt MozBar from the ground up to ensure it never slows down your workflow:

• Lightning-Fast Performance: A modern framework ensures zero lag while browsing.
• Smart Data Caching: New 48-hour caching reduces redundant API calls, helping you stay within your Moz Pro query limits.
• Customizable UI: Dock the toolbar to the top, bottom, left, or right—keep your workspace clear.
• Enhanced Link Summaries: Advanced internal link reporting with precise counts and alt-text audits.

Key SEO Features:
  1. Instant Authority Metrics
    View Domain Authority (DA), Page Authority (PA), and the exclusive Brand Authority metric the moment you land on a page.
  2. On-Page SEO Highlighter
    Identify and categorize links instantly. Visualize Followed, No-Follow, External, and Internal links with color-coded overlays.
  3. Technical SEO Audits
    No more digging through source code. Audit Schema markup, hreflang tags, robots.txt, and Sitemaps in one click.
  4. SERP Analysis & CSV Export
    Compare link metrics across any Google Search Result Page (SERP) and export your findings to a CSV for easy reporting.
  5. Keyword & Content Insights
    Access Moz Pro data to view a site’s top-ranking keywords and get real-time Page Optimization scores.

👥 Choose Your Access Level:

• Guest: Free access to On-Page Elements, General Attributes, and Internal Link details.
• Community (Free Account): Everything in Guest Mode + DA and PA metrics.
• Moz Pro Subscribers: The full power of Moz. Unlock Spam Score, Page Optimization, Domain Analysis, and Keyword Ranking queries.

Why Choose MozBar?

MozBar is the preferred browser extension for SEOs, marketers, and developers worldwide. By integrating Moz’s world-class data directly into your Chrome browser, you can make data-driven decisions faster than ever before.

Join the community of over 1 million SEO professionals. Download MozBar for Firefox today.
Rated 5 by 2 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
2
4
0
3
0
2
0
1
0
Read all 2 reviews
Permissions and data

Required permissions:

  • Access browser tabs
  • Access browser activity during navigation
  • Access your data for all websites

Required data collection, according to the developer:

  • Browsing activity
  • Website activity

Optional data collection, according to the developer:

  • Technical and interaction data
Learn more
More information
Add-on Links
  • Homepage
  • Support site
  • Support Email
Version
5.0.12
Size
446.85 KB
Last updated
6 days ago (Apr 29, 2026)
Related Categories
  • Web Development
  • Search Tools
License
Mozilla Public License 2.0
Version History
  • See all versions
Tags
  • dark mode
  • google
  • search
Add to collection
Report this add-on
Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version. Android is a trademark of Google LLC.