# Interface Audit

> Free UX audit platform that scores websites against 168 research-backed design principles.

Interface Audit is a free website audit and usability analysis service that scans any URL and generates a detailed UX report covering usability, accessibility, visual hierarchy, and interaction design. Evaluations are based on heuristic evaluation against 2,098 peer-reviewed academic citations, not opinions or best-practice lists.

## Product

### Run a Free Website Audit
Enter any URL to generate an instant UX score and detailed usability report. The audit engine scans the page and analyzes it against 168 UX principles across categories including usability, accessibility (WCAG), visual design, conversion optimization, mobile responsiveness, and performance. No signup or email required.

### Sample Audit Report
Each website audit report includes:
- Overall UX score (0-100)
- Category breakdown: usability, accessibility, visual hierarchy, typography, color, layout, navigation, forms, mobile, performance
- Specific findings with severity ratings (critical, major, minor)
- Actionable recommendations with before/after examples
- Academic citations supporting each finding

### Pricing
- **Free Tier**: Instant website audit with basic usability scoring — no signup required
- **Pro Report ($9.99)**: One-time professional UX audit with prioritized recommendations and PDF export
- **Pro Subscription ($9.99/mo)**: Unlimited UX audit reports, historical tracking, export tools
- **Annual Subscription ($89.88/yr)**: 25% savings, best value for agencies and teams
- **UX Audit Consultation ($50)**: 1-hour expert usability review with personalized recommendations
- **Growth Audit ($199)**: Deep-dive usability session
- **Performance Boost ($599)**: 2x 45-min expert sessions
- **Total Optimization ($2,499)**: Comprehensive 4-session UX audit

## Knowledge Base

### Methodology
Interface Audit evaluates interfaces against 168 UX principles sourced from peer-reviewed academic research (2,098 total citations). The heuristic evaluation covers usability, accessibility, visual design, and conversion optimization using real browser rendering, DOM inspection, and multi-device analysis.

Evaluation categories:
- Usability: Task efficiency, error prevention, learnability
- Accessibility: WCAG 2.1 compliance, screen reader compatibility, color contrast
- Visual Hierarchy: Layout composition, focal points, whitespace usage
- Typography: Readability, font sizing, line height, contrast
- Color: Consistency, accessibility, emotional impact
- Navigation: Information architecture, wayfinding, breadcrumbs
- Forms: Input design, validation, error messaging
- Mobile: Responsive design, touch targets, viewport optimization
- Performance: Load time impact on UX, perceived performance

### Use Cases
- Website usability auditing before launch
- Accessibility compliance checking (WCAG 2.1)
- Conversion rate optimization through UX improvements
- Heuristic evaluation for design teams
- Competitive UX benchmarking

### FAQ
**How long does a website audit take?** Most audits complete in 30-60 seconds.
**What URLs can I audit?** Any publicly accessible URL. Password-protected pages require Pro.
**Are results shareable?** Pro reports include shareable links and PDF export.
**How accurate is the analysis?** Evaluations are based on 168 peer-reviewed UX principles, not AI opinion. Each finding cites specific research.
**Is the free audit really free?** Yes — no signup, no email, no credit card required for the basic website audit.

## Related

### UX/UI Principles (uxuiprinciples.com)
The 168 research-backed principles database powering Interface Audit. Each principle includes descriptions, real-world examples, and academic citations. Available as a free web app and iOS app, with a Pro tier ($4.99/mo) for the AI Design Validator.