SEOquake, developed by the SEOquake Team and integrated with Semrush, is a free browser extension that provides immediate SEO insights for any webpage. It delivers on-page metrics, keyword distribution, link structure, SERP overlays, and domain comparisons without leaving the browser. Core tools include an SEO dashboard, audit reports, keyword density checks, internal and external link analysis, and competitive benchmarking. Designed for SEO professionals, digital marketers, web developers, and site owners, SEOquake helps streamline routine SEO workflows with a lightweight, accessible interface.

In-browser SEO analytics and actionable insights

SEOquake presents a compact dashboard that consolidates key SEO metrics at a glance. Users can perform on-page audits to identify technical errors and optimization gaps, inspect keyword distribution for content relevance, and analyze internal and external links. The SERP overlay displays metrics directly under search results on major search engines, while the domain comparison tool enables real-time benchmarking of multiple websites. The extension also allows CSV export and customizable metric selection for targeted reporting.

Workflow integration and competitive monitoring

SEOquake supports fast, page-level evaluation and competitor analysis. Analysts and marketers can quickly review site structure, keyword usage, and link profiles, enabling more efficient optimization decisions. The extension’s integration with Semrush enhances organic research capabilities, while its lightweight design ensures minimal impact on browsing performance. Customizable displays allow users to track the metrics most relevant to their workflow, whether auditing a client site or monitoring competitors.

Cross-browser support and technical scope

SEOquake is a browser-based extension that provides broad compatibility across major web browsers. Core features are fully accessible without a Semrush account, while connecting an account unlocks additional data and analytics options. The extension is optimized for desktop use, with no dedicated support for mobile browsing. It remains free to use, regularly updated, and maintained to deliver reliable performance for routine SEO analysis and competitive monitoring.

Final thoughts

SEOquake delivers a practical, free toolkit for browser-based SEO analysis and competitive benchmarking. Its strengths include real-time metrics, customizable reporting, SERP overlay integration, and lightweight operation across major desktop browsers. While advanced features require a Semrush account and mobile support is limited, the extension is particularly suited for SEO professionals, marketers, and web developers seeking fast, reliable, and in-browser insights.