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Free "Zero-Friction" technical audit tool for eCommerce. Built with 15 years of consulting experience, it provides pro-grade insights on SEO, speed, and security in under 60 seconds. No signup or credit card required. Supports 28+ platforms.

Website, pricing, platforms and company facts side by side.
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| Website | diffee.me | ec-checker.com |
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| Company | — | Startup from Japan · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


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Professional-Grade eCommerce Health Audit — Instant, Free, and Zero-Friction. EC-Checker is a specialized technical audit tool designed for online merchants and eCommerce managers. Built by a consultant with 15 years of industry experience, this tool provides a deep-dive analysis of your store's...
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As answered by people managing Diffee and EC CHECKER.
EC CHECKER's answer:
EC-Checker is the only "Zero-Friction" audit tool designed specifically for eCommerce. Unlike other tools that hide results behind a signup wall, it provides a comprehensive technical audit (SEO, speed, security) for 28+ platforms in under 60 seconds with no registration or credit card required.
EC CHECKER's answer:
Choose EC-Checker for its speed, simplicity, and expert-level depth. It offers a professional-grade health check without the spam or sales pressure typical of large SaaS competitors. It’s built on 15 years of consulting expertise, focusing only on the metrics that truly impact eCommerce conversions.
EC CHECKER's answer:
The primary audience includes eCommerce store owners, digital marketers, and web developers who need a fast, reliable, and non-intrusive way to audit their online stores across platforms like Shopify, WooCommerce, and Magento.
EC CHECKER's answer:
After 15 years of eCommerce consulting, I realized that merchants were tired of complex, expensive tools that require personal data before providing value. I built EC-Checker to democratize professional site audits—offering a transparent, "instant-value" tool that anyone can use to improve their business immediately.
EC CHECKER's answer:
Built with a modern stack optimized for speed and accuracy, including high-performance web analysis engines, 28+ platform detection algorithms, and professional-grade SEO and security benchmarking tools.
EC CHECKER's answer:
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