Website monitoring & diagnosis

Find out before your customers do.

Dr. Canary checks up on your website around the clock — every page, form, and third-party widget — and proves every bug it finds with a frame-by-frame replay. Proof, not vibes.

Claim your domain Watch a finding replay

FREE SCAN · NO CREDIT CARD · FIRST RESULTS IN MINUTES

rpt_4f90d13aQx · smithtoyota.com v13 B+

smithtoyota.com/trade-in

fnd_8x2k1 · POST /trade-in → 500

3 attempts · 3 server errors · replay captured

Evidence

Watch the exact click that broke.

Findings carry the full trace — what the canary did, what your site did back, frame by frame. Replays come free with every scan: no re-testing, no guesswork, and no AI tokens burned to make them.

01click#trade-in

02fillzip → 90210

03clicksubmit

04⚠response 500 · form dead-ends

rpt_4f90d13aQx · smithtoyota.com B+

Functionality pass

Integrations 2 findings

Performance pass

Content pass

history v11 v12 v13

Report card

A report card your whole team can read.

Every scan mints a new version. Diff any two to see what broke and what got fixed. Share a link that always shows the truth — and revoke it any time.

Put a canary in your coal mine.

Claim your domain and get your first checkup free.

Claim your domain Dr. Canary giving the OK sign