Here's exactly what the flock catches.
CanaryUsers sends lifelike AI users through your app and reports the moments a real person would have rage-quit. These are the problems they find — and why finding them first pays for itself.
The problems hiding on your happy path.
You tested the demo. Real users don't follow the demo. Here's the friction the flock surfaces that you can't see from the inside.
Signups that quietly fail
The flock actually tries to create an account. They hit the validation that rejects every password, the “confirm email” that never arrives, the button that does nothing on the second tap.
- Password rules that reject valid passwords
- Verify-email loops with no email
- Submit buttons that swallow the click
Dead-end forms
Field by field, a canary tells you where it gave up — the required field with no asterisk, the date picker that won't open on a phone, the error that scrolls off-screen.
- Hidden required fields
- Errors you can't see
- Inputs that reject good data
Checkout & payment friction
Where money leaks out. Canaries walk the whole funnel — cart, address, card — and flag the step where a real buyer would close the tab and never come back.
- Coupon fields that error out
- Forced account creation
- Card forms that reject test data
Mobile & responsive breakage
Most of your traffic is on a phone, and that's where it breaks first. The flock runs a mobile viewport and catches the tap targets, overflowing modals, and sticky bars that cover the CTA.
- Buttons under the keyboard
- Modals you can't close
- Text cut off at 375px
Confusing copy & unclear CTAs
Not a typo-checker — a confusion-checker. When a canary can't tell what a button does or which plan to pick, that hesitation is logged with the exact thought that caused it.
- Two buttons, no clear primary
- Jargon nobody parses
- “Now what?” dead screens
Broken links & 404s
Every nav item, every footer link, every “learn more.” The flock clicks them all and reports the ones that 404, loop, or land somewhere unexpected.
- Dead nav & footer links
- Buttons pointing at #
- Redirects that loop
JavaScript errors & broken states
Console errors, failed fetches, and components that render into a blank white box. Canaries surface the runtime breakage your happy-path demo never hit.
- Blank screens on load
- Failed API calls
- Crashes on empty state
Slow, janky first impressions
The flock notices when a page makes them wait — spinners that never resolve, layout that jumps under their cursor, a hero image that loads after they've already bounced.
- Spinners that never end
- Layout shift mid-click
- Slow first paint
Cheaper than the bug. Faster than your users.
Works on day zero
No analytics history, no live traffic, no test suite required. Point us at a brand-new deploy and the flock finds friction immediately — when you have zero real users to learn from.
Catches it in preview, not the incident channel
Wire one line into CI and a flock runs on every push. The regression shows up as a PR comment, not a 2am page or a one-star review.
Cheaper than the bug it finds
One broken signup field can quietly cost you a week of conversions. A flock costs a few dollars and finds it before it ships. The first scan is free — no card.
The napkin math
Say 200 people hit your signup this week and one broken field quietly drops 30% of them. That's 60 lost signups you'll never even see in your analytics — because they never made it far enough to count. A free scan would have flagged that field before you merged.
Three steps, then it runs itself.
- 1
Paste a URL
Staging, a preview deploy, or production. No setup, no analytics history.
- 2
Read what broke
Bugs, drop-off points, and a ranked fix list — with the canary's own play-by-play.
- 3
Wire it to every push
One line in CI and a flock reports on each PR. Catch regressions in preview.
Find out for free.
One scan tells you exactly what your real users are about to hit.
Launch your first flock