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Atoms vs MozBar

Complete site analysis vs. Moz's domain authority toolbar

Feature Comparison

FeatureAtomsMozBar
SEO Analysis✓✓
CSS Inspection✓✕
Tech Stack Detection✓✕
Core Web Vitals✓✕
AI Readiness Check✓✕
WCAG Contrast Checker✓✕
Color Extraction✓✕
Font Detection✓✕
SERP Overlay✓✓
Export (MD/CSV/JSON)✓✕
One-Time Pricing✓✕

Pricing Comparison

Atoms

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MozBar

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Key Differences

MozBar is the browser extension for Moz, one of the original authorities in SEO. Its Domain Authority (DA) and Page Authority (PA) metrics are industry standards that SEO professionals have relied on for years. MozBar overlays these metrics directly onto Google search results, making it easy to evaluate the competitive landscape of any SERP. For link-based SEO analysis, Moz's data is among the most respected in the industry. Where MozBar falls short is in on-page technical analysis. It shows DA/PA scores and basic page elements, but it does not inspect CSS properties, measure Core Web Vitals in real time, detect technologies, or evaluate accessibility. MozBar is fundamentally a metrics overlay, not a site inspection tool. For the growing number of SEO professionals whose work extends into technical SEO, page speed optimization, and UX evaluation, MozBar only covers a fraction of what is needed. Atoms approaches site analysis from the opposite direction. Instead of domain-level authority metrics, it focuses on what you can see, measure, and improve on the current page: SEO structure, CSS properties, performance metrics, technology stack, AI readiness, and accessibility. This makes Atoms more actionable for anyone doing hands-on site optimization, while MozBar is more useful for competitive research and link building strategy. The financial comparison is straightforward. MozBar's free tier provides basic DA/PA scores, but detailed link metrics, keyword suggestions, and page optimization scores require Moz Pro at $99/month. Atoms is $49 once. For professionals who need actionable on-page analysis without a recurring subscription, Atoms offers substantially more breadth. Those who need Moz's proprietary authority metrics for link building can use both tools, with Atoms handling the technical and on-page work.

Frequently Asked Questions

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