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Free website checker and SEO audit tool to analyze speed, security, and performance with instant reports.
Traffic, search & AI signals for websitecheckr.com.
Third-party traffic estimate · Updated Aug 9, 2026
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WebsiteCheckr is a free website checker and SEO audit tool that analyzes speed, security, and performance, delivering instant reports for developers and website owners.
WebsiteCheckr is a web-based SEO audit and website performance analysis tool. It accepts a website URL as input and produces instant reports covering speed, security, mobile-friendliness, and SEO elements such as meta tags and structured data. The tool runs entirely in the browser and is supported in English. WebsiteCheckr is featured on platforms like ufind.best and Startup Fame, reflecting its adoption among developers and site owners.
WebsiteCheckr is free to use for basic analysis. There are no hidden costs, and you can run instant reports without a paid plan.
Yes, WebsiteCheckr is completely free for basic website analysis. You receive instant reports on speed, security, mobile-friendliness, and SEO elements like meta tags and structured data. There are no hidden costs, no trial periods, and you can run unlimited checks without a subscription.
WebsiteCheckr analyzes website speed, security, and performance by scanning the URL you provide. It examines SEO elements including meta tags, structured data, and content optimization, along with mobile-friendliness. The tool also measures load time and JavaScript deferral to give a complete view of your site's health.
Yes, WebsiteCheckr includes a suite of over 30 web utilities beyond the core audit. These tools include DNS lookup, JSON validator, CSS minifier, and many others, making it a versatile resource for developers and site owners who need quick access to common webmaster functions.