Definition
Moz is one of the pioneering SEO companies, founded by Rand Fishkin in 2004. The Moz Pro platform offers a comprehensive suite of tools including keyword research, backlink analysis, site audits, position tracking, and on-page optimization. Moz is particularly known for creating the Domain Authority (DA) metric, which has become a de facto standard in the industry for evaluating domain strength. Beyond its tools, Moz is recognized for its high-quality educational resources, notably the Moz Blog, Whiteboard Friday, and the Beginner's Guide to SEO. The MozBar, a free browser extension, is also very popular for quickly displaying any page's DA.
Key Points
- Creator of the Domain Authority (DA) metric, a global SEO reference
- High-quality educational resources recognized by the entire industry
- Free MozBar extension for quick SEO analysis directly in the browser
Practical Examples
Quick Domain Authority check
With MozBar installed in your browser, you can instantly see the Domain Authority and Page Authority of each result in Google search pages, facilitating rapid competition assessment.
On-page optimization with Moz Pro
Moz's On-Page Grader tool analyzes a page for a target keyword and provides specific recommendations on title, meta description, H tags, keyword density, and content structure.
Frequently Asked Questions
PageRank is Google's original algorithm (no longer publicly communicated since 2016), while Domain Authority is a metric created by Moz to estimate a domain's ranking ability. DA is not used by Google but serves as an industry reference for comparing the relative strength of domains.
Yes, Moz is often recommended to beginners thanks to its intuitive interface and excellent educational resources. Moz's Beginner's Guide to SEO is considered one of the best free introductions to search engine optimization available.
Go Further with LemmiLink
Discover how LemmiLink can help you put these SEO concepts into practice.
Last updated: 2026-02-07