Skip to content

We use analytics cookies to see how the site is used. They are only set if you accept. Accepting also turns on session recording (pages viewed, clicks and scrolls) so we can fix problems; what you type stays hidden. Read the privacy policy

Log inSubmit your site
Joffrey IO

Joffrey IO

@joffreyio

Joined July 2026

I build things

Twitter
1Submissions
1Votes Received
355Total Views
136Total Clicks
15Lifetime Score

Activity Feed

Submitted ProofBench — Know which idea to build, before you build it

Test your startup ideas with real landing pages. ProofBench measures the real signal — email convers

1

Taste DNA

Aesthetic: Balanced50%
MinimalistMaximalist
Niche: Deep Niche85%
BroadNiche
Discovery: Average50%
Early BirdLate
Reviews: Concise0%
ConciseDetailed
Stance: Mainstream0%
MainstreamContrarian
Curation: Submitter100%
VoterSubmitter

Submitted Sites

1 total
ProofBench — Know which idea to build, before you build it

ProofBench — Know which idea to build, before you build it

Test your startup ideas with real landing pages. ProofBench measures the real signal — email conversion + fake-door intent, not vanity views — and ranks your id

1