Paste in a page and tell us the goal
A homepage, landing page, signup flow, or onboarding path. Just define what success looks like.
Private beta · Synthetic user testing
Ship with evidence,
not instinct.
The synthetic user that walks through your flow and shows you exactly where real users will quit.
SAMPLE
Top blocker · step trace
Clicked
"Add starter kit" on /starter-kit"Nice, this looks like the next step. Let me add it."
Nothing happened. CTA reads like a product label.
"Wait, did that go through? I still cannot tell."
Add-to-cart clarity · high
Dropped before cart after 2 attempts.
"I don't trust this checkout. I'm leaving."
purchase rate
55%
cart blockers
3
median steps
23
time to doubt
01:47
How it works
One link in. Friction report out.
Doublur runs through it like a new user
It clicks through the flow, reacts to what it sees, and follows the path a real visitor would take.
Get a report of what got in the way
See where people got confused or dropped off, with screenshots, severity, and suggested fixes.
What you get
See exactly where people lose momentum.
See every click, every hesitation.
First tap to drop-off or success, recorded end to end.
Catch the moment it got confusing.
The exact screen where someone got stuck — with context, not a summary.
Know which blocker matters most.
Findings ranked by how many signups they cost you.
Ship a fix, not just a critique.
Every finding ends in something concrete you can change.
Anatomy of a finding
From traffic to answers in minutes.
Spot the moments that cost you signups: unclear copy, weak trust signals, dead-end buttons, confusing forms, and broken expectations between ad and page.
Example finding
Users expected pricing before signup, but hit an account wall instead. 4 out of 5 sessions dropped here.
High severity
step 3 of signup flow
Integrations
Fits where you already work.
Run checks on your site, review reports with your team, and keep improving the same flow over time.
Dashboard
Launch runs and review results
Run checks, inspect findings, and compare before and after — all in one place.
app.doublur.com /runs /batches /settings/api-keys
GitHub Action
Check every PR for friction
Run against a preview deploy, post findings as a PR comment, fail the check when critical issues show up.
- uses: showdownlabs/doublur@v1
with:
url: ${{ env.PREVIEW_URL }}
fail-on: critical
API
Plug doublur into any workflow
Same endpoints the dashboard uses. Build your own integrations.
POST app.doublur.com/api/runs/start
GET app.doublur.com/api/runs/{id}
Who it's for
For founders and small teams shipping without a research team.
Solo founder
You built it — now you can't see it like a first-time user.
Engineer / PM
You need quick signal on whether a flow holds up, before launch day.
Small team
Shipping fast without the budget or calendar for formal user research.
Performance marketer
Paying for traffic that won't convert — fix the page before spending more.
See what your users see before they leave.
Paste a link, set a goal, and get a friction report in minutes.