You made the change.See what it did.

You write the headline, hit deploy, move on. A week later, Loupe tells you if it helped or hurt.

4,000+ issues found. Free for 1 page.

Built for founders shipping with

Lovable
Bolt
Cursor
Replit
Vercel

No stack migration

Works with how you already ship

Lovable
Lovable
Bolt
Bolt
Cursor
Cursor
Replit
Replit
Vercel
Vercel
Netlify
Netlify
Cloudflare
Cloudflare
Railway
Railway
PostHog
PostHog
Google Analytics
Google Analytics
Supabase
Supabase
Mixpanel
Mixpanel
Change briefToday

Detected change

Start free trial

Get started free

Loupe flags this as a meaningful message change, not just a visual diff.

Prediction+10–20% signups

Likely outcome over 7 days if this change stays live.

What to do next

Priority 1

Move social proof above pricing so visitors see trust cues before decision friction.

Your page

Your page, through Loupe

Loupe shows what changed, why it matters, and what to fix next. Each suggestion includes predicted impact so you can prioritize fast.

Exact change callouts

Headline, CTA, layout, and trust signals in plain language.

Predicted impact ranges

Know what is likely to move signups before you ship.

Clear next step

Copy-paste-ready suggestions you can apply in minutes.

Your results

Your changes. Clear calls.

One bento surface for what changed, what it did to signups, and what you should do next.

What it did

14-day window

One line changed. Signups moved.

Loupe caught the headline change, watched for 14 days, then surfaced the correlation. No dashboards to check. Just a clear answer.

Message change

“Get started”

“Start free trial”

Result

+0%

signups since Jan 28

What to do next

Clear calls, not another dashboard.

Works whether your last update came from an AI rebuild or a late-night deploy.

Keep headline rewrite

Keep

Qualified signups are still trending up.

Revert pricing layout

Revert

Recover checkout starts from last baseline.

Change feed

What changed, in order.

Every edit tracked. Every outcome labeled.

Jan 28

Headline: "Get started" → "Start free trial"

+23% signups

Feb 03

Pricing layout rebuilt by AI tool

-8% checkouts

Feb 12

Trust section reordered

Watching for signal
Your integrations

From “it changed” to “it worked.”

Loupe finds what's wrong on day one. Connect your tools and it tracks whether your fixes actually worked.

Loupe alone

Spot issues. Get suggestions.

Loupe audits your page, finds what's hurting conversions, and gives you specific fixes — no signup required.

CTA below the fold on mobile

High

Move primary action above the first scroll.

Headline lacks specificity

Med

“Get started” → “Start your free trial”

+ Your tools

PostHogGoogle AnalyticsSupabase

Fix it. Ship it. Know if it worked.

GitHub tells Loupe what you shipped and why. Your analytics prove whether it worked. Now every deploy closes the loop.

Deploy → Correlation

Headline: “Get started” → “Start free trial”

+23%

abc1234 · signups over 14 days

You ship. Loupe watches.

Your next change is coming.
This time, you won't have to babysit.

Start with a free audit. Keep tracking 1 page forever — Loupe watches for changes and tells you what to do next.

Track 1 page free forever • No credit card required

Built for Lovable/Bolt builders and GitHub/Vercel teams.