Free SEO Toolbox by OnCrawl

Use the best free tools for on-page and technical SEO. Tailored for search marketers and SEOs, the OnCrawl SEO toolbox is divided between business expertises and helps you improve your overall search performance and rank higher in the SERPs.

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ONCRAWL CHROME EXTENSION

Analyze any on-site SEO factor that influences your rankings and use X-rays to highlight actionable metrics.

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OPEN SOURCE SEO LOG ANALYZER

Understand how Google bots are behaving on any pages of your website on a daily basis.

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PAYLOAD ANALYZER

Monitor your page’s elements load time and track resources that lower your performance.

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ENTITY DETECTOR

Copy paste any type of content, stress out named entities and analyze your competitor’s content or your current editorial strategy.

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HTTP HEADERS DETECTOR

Analyze your pages' HTTP headers and look for any issue that could compromise your rankings.

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ENTITY EXPLORER

Search for named entities and understand how they relate to concepts and categories.

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BROKEN LINKS DETECTOR

Detect any internal broken link that could compromise your SEO efforts and penalize your rankings.

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