Nibbler is described as 'Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more' and is an website in the business & commerce category. There are 2 alternatives to Nibbler, not only websites but also apps for SaaS. The best Nibbler alternative is WebYes. It's not free, so if you're looking for a free alternative, you could try Koalati.
WebYes is a comprehensive website auditing tool that helps you create accessible, high-performing, and reliable websites. It identifies accessibility issues based on WCAG, as well as performance, SEO, and quality concerns, along with built-in uptime monitoring.
Koalati is a quality control and training platform built to help web developers and agencies ship better websites.
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