Analyze your site's usability, accessibility, and conversion issues against 168 peer-reviewed UX principles with 2,098 academic citations. No signup required.
Instant heuristic evaluation with actionable usability findings. No account needed.
Full multi-device analysis with expert-level insights and downloadable PDF report.
Paste any publicly accessible URL. No signup, no credit card, no account needed.
Your site is analyzed against 168 research-backed UX principles covering usability, accessibility, and conversion.
Receive actionable usability issues sorted by severity, with specific recommendations to improve your website.
Run a free website audit without creating an account, providing an email, or entering a credit card.
Traditional UX audits take 2-6 weeks and cost $5,000-$50,000. Get comparable insights instantly.
Every finding is backed by peer-reviewed research — Fitts's Law, Hick's Law, WCAG guidelines, and 165 more principles.
168 principles. 2,098 citations. 30 seconds. Zero opinions.
Heuristic evaluation is a usability inspection method where an interface is systematically assessed against a set of recognized design principles called heuristics. The methodology was formalized by Jakob Nielsen, whose 10 usability heuristics — covering visibility of system status, match between system and real world, user control, consistency, and error prevention — became the foundation of modern UX evaluation.
Interface Audit extends this approach to 168 principles drawn from cognitive psychology, human-computer interaction research, and WCAG 2.1 accessibility guidelines. Each principle is supported by peer-reviewed literature, giving every finding an evidence base instead of relying on consultant opinion.
Unlike automated performance tools that measure load speed or Core Web Vitals, heuristic evaluation identifies design quality issues: cognitive overload, unclear navigation, inconsistent visual hierarchy, poor error messaging, and friction in conversion flows. These are the issues that drive users away without showing up in analytics dashboards.
The free audit runs a heuristic scan in under 30 seconds. The full report adds multi-device testing and 14 or more detailed findings with severity scores and implementation recommendations.
Founders launching a new product use the audit to catch usability issues before they reach real users. A single friction point in a signup flow or pricing page can cost conversions that are invisible in analytics until the audit surfaces them.
Designers use it to validate decisions against established research rather than defending subjective choices in reviews. When a recommendation is backed by peer-reviewed findings in cognitive psychology or WCAG standards, it moves the conversation from opinion to evidence.
Marketing teams use the audit before running paid traffic campaigns. Sending ad clicks to a page with high cognitive load, unclear calls to action, or poor mobile usability wastes budget. The free audit identifies these problems in 30 seconds.
Developers use it as a fast accessibility pre-check before handing off to QA. The audit covers WCAG compliance gaps, color contrast failures, missing focus states, and interactive element sizing — issues that are faster and cheaper to fix before a release than after.
A UX audit is a systematic evaluation of a website or application against established usability principles. Interface Audit analyzes your site against 168 research-backed UX principles supported by 2,098 academic citations, covering usability, accessibility, and conversion optimization.
Enter any URL and get an instant analysis in about 30 seconds. The free audit runs a heuristic evaluation against 168 UX principles and provides your top 8 key findings with severity ratings and actionable recommendations, with no signup or email required. Enter your email to unlock 5 more findings for free.
The audit evaluates usability heuristics, WCAG accessibility compliance, visual hierarchy, navigation patterns, mobile responsiveness, cognitive load, and conversion optimization. Each finding is tied to a specific peer-reviewed UX principle.
Heuristic evaluation is a usability inspection method where an interface is assessed against recognized usability principles called heuristics. Developed by Jakob Nielsen, the original 10 heuristics cover visibility of system status, match between system and the real world, user control, consistency, error prevention, and more. Interface Audit extends this to 168 principles derived from cognitive psychology, HCI research, and WCAG accessibility guidelines.
Google Lighthouse measures performance metrics: load speed, Core Web Vitals, and basic accessibility violations. Interface Audit evaluates usability and UX design quality: cognitive load, navigation clarity, visual hierarchy, conversion friction, and design principle adherence. The two tools complement each other. Lighthouse tells you if a page is fast; Interface Audit tells you if it is easy to use.
Yes. If your Full UX Report does not deliver at least 3 actionable usability findings you can act on, contact us within 7 days for a full refund. No questions asked.
Satisfaction guarantee. If your Full UX Report does not deliver at least 3 actionable usability findings, contact us within 7 days for a full refund. See our refund policy for details.