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A/B testing

Promote winners. Kill losers. Repeat.

Test headlines, steps, and layouts with clean traffic splits, then promote the winner in one click.

£19 per user a month plus a charge for each lead · Pay as you go · Prices ex-VAT at 20% · Businesses only

Every account includesCustom domainsA/B testingIntegrations
app.leadform.io/experiments

Headline test

Sample data · 3 variants

Active test
Variant A (Short headline)44.8%
Leading
Variant B (Question format)31.2%
Control28.6%
The testing suite

Everything you need to run trustworthy tests.

From setup to one-click promotion, the whole experiment lifecycle lives in one place.

Testing capabilities
Variant A44.8%
Promote
Variant B31.2%
Pause

Sample data

Outcomes

Move the number that funds your spend.

Here's what the testing suite gives you.

4

Variants per test, including control

Run up to four variants in a single test, including your control.

95%

Suggested significance level

Each variant shows a confidence score. Our help centre suggests waiting until it reads 95% or above before you pick a winner.

Per lead

Lead-level attribution

Every lead is tagged with the variant that produced it, and webhook deliveries carry each variant's own form slug and name.

Attribution

Attribution down to the lead.

Every lead is tagged with the variant that produced it, so attribution follows them all the way into your CRM.

  • Lead-level variant tagging
  • Attribution flows to your CRM
  • Know which variant produced each lead
  • Optimise for leads, not clicks
app.leadform.io/marketing

Contacts

428 · sample
JCJames CarterSolar · qualified
MPMia PatelASHP · new
TOTom OkaforSolar · booked

Broadcast

Your solar quote is ready

Send
Sending from your domain via SMTP
Sample data
Pay as you go

Simple, transparent pricing.

£19 per user a month, plus a charge for each lead that falls from £0.24 to £0.18 as your volume grows.

Work out your price Prices ex-VAT at 20% · Businesses only
Leadform homeLeadform

Start testing what actually converts.

Launch your first headline test today and let the data pick the winner.

Leadform builder showing a multi-step form. Sample content.
Form steps3 stepsSample preview