We recently shipped Parallax — an AI agent that automatically audits UX quality. Here's how it works and the challenges we solved.

The Problem

Traditional UX testing requires:

Hiring UX researchers ($80-150K/year)

Running quarterly research cycles (2-3 months)

Manual heuristic evaluation against Nielsen's 10 usability principles

Accessibility scanning (WCAG compliance)

Generating reports and prioritizing fixes

Result: Most companies do UX audits 2-4x/year. Problems discovered in Q2 don't get fixed until Q3.

The Solution: Autonomous Auditing

1. Crawling Smart User Paths

Instead of crawling every page, we identify critical flows:

Sign-up → Payment

Search → Product detail → Checkout

Login → Dashboard → Action

Each flow gets scored individually, so you see where users actually struggle.

2.…