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Atoms vs SEOquake

All-in-one site intelligence vs. SEMrush's SEO toolbar

Feature Comparison

FeatureAtomsSEOquake
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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SEOquake

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Key Differences

SEOquake is a solid SEO toolbar backed by SEMrush, one of the most established names in the SEO industry. It provides quick access to on-page SEO parameters, SERP overlays with domain metrics, keyword density analysis, and internal/external link auditing. For SEO professionals already embedded in the SEMrush ecosystem, SEOquake extends that workflow into the browser. The key distinction is scope. SEOquake is purely an SEO tool. It does not inspect CSS properties, detect technologies, measure Core Web Vitals, or check accessibility. As modern SEO increasingly overlaps with web performance, user experience, and technical implementation, these gaps mean SEO professionals still need additional tools for a complete site assessment. Atoms was built to eliminate that gap by combining SEO analysis with CSS, performance, accessibility, and technology insights in a single panel. SEOquake is also designed as a gateway to SEMrush's paid platform. While the extension itself is free, many of its most useful features, like detailed backlink data, keyword analytics, and competitive analysis, require a SEMrush subscription starting at $139.95/month. Atoms takes the opposite approach: $49 once, everything included, no upsells. Atoms includes AI and GEO readiness checking, which evaluates how well content is structured for AI-driven search, a forward-looking feature that SEOquake does not address. For SEO professionals who already pay for SEMrush, SEOquake is a natural companion. But for freelancers, developers, and marketers who want powerful SEO analysis without committing to a $1,680+/year platform subscription, Atoms delivers the on-page SEO tools they need plus CSS inspection, Web Vitals, tech detection, and accessibility checking, all for a one-time investment.

Frequently Asked Questions

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