# Interface Audit
# https://interfaceaudit.com

> Free UX audit and website usability analysis. Evaluates any website against 168 research-backed UX principles with 2,098 academic citations. Results in 30 seconds. No signup required.

## About Interface Audit

Interface Audit is a free website audit and usability analysis service that evaluates websites using 168 research-backed UX principles. The service provides heuristic evaluation, accessibility auditing (WCAG), and conversion optimization analysis, delivering comprehensive usability assessments in 30 seconds.

## What We Offer

### Pricing Plans

#### Free (No Signup Required)
- Instant website usability analysis
- Performance, accessibility, and UX scoring
- 3-5 key findings based on heuristic evaluation
- UX audit chat assistant for design questions (rate limited)
- No registration required

#### Pay As You Go - $9.99 per report
- Full professional UX audit of website
- Comprehensive assessment against 168 usability principles
- Desktop and mobile device analysis
- Detailed severity scoring and prioritized recommendations
- Downloadable PDF audit report
- Email delivery
- No subscription required

#### Monthly Subscription - $9.99/month
- All Pay As You Go features
- Unlimited UX audit reports per month
- Priority processing
- Cancel anytime

#### Annual Subscription - $89.88/year ($7.49/month)
- All Monthly features
- 25% savings vs monthly
- Best value for agencies and teams

### UX Audit Consultation ($50)
- 1-hour expert walkthrough of your usability issues
- Personalized UX recommendations
- Priority scheduling

### Professional Packages ($199-$2,499)
- Growth Audit: 1x 30-min deep-dive usability session ($199)
- Performance Boost: 2x 45-min sessions ($599)
- Total Optimization: 4x 45-min comprehensive UX audit ($2,499)

## 168 Research-Backed Principles

Our heuristic evaluation is grounded in established UX research including:
- Fitts's Law (motor movement and target acquisition)
- Hick's Law (decision time vs number of choices)
- Jakob's Law (users prefer familiar patterns)
- Miller's Law (cognitive load and chunking)
- Gestalt Principles (visual perception)
- WCAG Accessibility Guidelines
- And 160+ more peer-reviewed usability principles

## Key Differentiators

1. **Speed**: Free website audit results in 30 seconds, not 2 weeks
2. **Science**: 168 research-backed UX principles (not opinions)
3. **Value**: From $7.49/month (vs $5,000-$50,000+ agency audits)
4. **Trust**: No email required for free website audit
5. **Comprehensive**: Heuristic evaluation + accessibility audit + conversion optimization

## Contact

- Website: https://interfaceaudit.com
- Email: hello@interfaceaudit.com

## Bilingual Support

Available in English and Spanish (EN/ES).

## Pages

- Free UX Audit: /en or /es
- UX Audit Chat: /en/chat or /es/chat
- Free Report Example: /en/demo-report or /es/demo-report
- Pro Report Example: /en/demo-pro or /es/demo-pro
- UX Audit Consultation: /en/discovery-call or /es/discovery-call

## Legal

- Privacy Policy: /en/privacy
- Terms of Service: /en/terms
- Cookie Policy: /en/cookies
- Refund Policy: /en/refunds