Same UX insights agencies charge thousands for —
backed by 2,098 research citations, not opinions.
Every recommendation backed by cognitive psychology, behavioral science, and validated UX research from leading institutions worldwide.
Bigger & closer targets are easier to click. Reduces user friction.
Fitts, 1954More choices = longer decisions. Simplify options to speed action.
Hick, 1952Users expect your site to work like others. Follow conventions.
Nielsen, 2000Users can hold 7±2 items in memory. Chunk information wisely.
Miller, 1956Beautiful designs are perceived as more usable. First impressions matter.
Kurosu & Kashimura, 1995Users group elements by proximity, similarity, and continuity.
Wertheimer, 1923Users scan pages in F-shape. Place key content on the left.
Nielsen, 2006Size, color, and contrast guide the eye. Control attention flow.
Lidwell et al., 2003Overloaded users make errors. Reduce mental effort required.
Sweller, 1988Users remember first and last items best. Place CTAs strategically.
Murdock, 1962Different items stand out and are remembered. Use contrast wisely.
von Restorff, 1933Incomplete tasks are remembered better. Use progress indicators.
Zeigarnik, 1927Bigger & closer targets are easier to click. Reduces user friction.
Fitts, 1954More choices = longer decisions. Simplify options to speed action.
Hick, 1952Users expect your site to work like others. Follow conventions.
Nielsen, 2000Users can hold 7±2 items in memory. Chunk information wisely.
Miller, 1956Beautiful designs are perceived as more usable. First impressions matter.
Kurosu & Kashimura, 1995Users group elements by proximity, similarity, and continuity.
Wertheimer, 1923Users scan pages in F-shape. Place key content on the left.
Nielsen, 2006Size, color, and contrast guide the eye. Control attention flow.
Lidwell et al., 2003Overloaded users make errors. Reduce mental effort required.
Sweller, 1988Users remember first and last items best. Place CTAs strategically.
Murdock, 1962Different items stand out and are remembered. Use contrast wisely.
von Restorff, 1933Incomplete tasks are remembered better. Use progress indicators.
Zeigarnik, 1927From cognitive psychology to accessibility standards — every principle includes academic citations, real-world examples, and actionable fixes.
We screenshot your page on desktop and mobile — exactly what real users experience in their first 3-5 seconds.
Each element is checked against 168 heuristic rules derived from cognitive psychology: touch targets, visual hierarchy, cognitive load, attention flow, and accessibility standards.
Findings are ranked by conversion impact, not just severity. Every recommendation traces back to published research — with specific fixes, not vague suggestions.
Works with any website platform — we analyze what users see, not your tech stack
Free gives you the top 5 issues. Full reports unlock everything: all findings, multi-device analysis, and implementation roadmap.
Complete deep-dive analysis for one website.
Deep analysis at scale — for agencies and teams.
Our UX audit analyzes your website against 168 peer-reviewed usability principles — including Fitts's Law, Hick's Law, Jakob's Law, Gestalt principles, and cognitive load theory. Each finding cites the specific research paper and explains exactly how to fix it. No opinions, just proven UX science.
Lighthouse and PageSpeed measure technical performance metrics. Our UX audit analyzes user behavior based on cognitive science — visual hierarchy, attention patterns, decision fatigue, and conversion friction. We identify why users leave even when your site is technically fast.
Traditional UX agencies give you consultant opinions that vary by designer. Interface Audit gives you peer-reviewed research. Our 168 UX principles are backed by 2,098 academic citations from studies published 2020-2026. Every recommendation traces back to proven research — not personal preference.
The free audit delivers your top 5 highest-impact findings instantly — the issues most likely affecting your conversions. No email required. The Full Report ($19.99) unlocks the complete analysis: all findings across 168 principles, desktop + mobile comparison, prioritization roadmap, implementation details, and downloadable PDF.
Yes. If the Full UX Report doesn't help you identify real usability issues, email us within 7 days for a full refund. No questions asked.
We cite 2,098 academic sources for every UX recommendation. Other AI tools say 'best practices' without proof. Our UX analysis is grounded in peer-reviewed cognitive science — not pattern-matching from training data. Every finding traces back to published research you can verify.