TestLift for Shopify

Test the buy button. Test the homepage slideshow.

See which version wins — without rewriting your theme. TestLift lets a growing Shopify store A/B test Add to cart and Checkout copy, and try a new homepage slideshow with a fresh image plus optional heading and copy. Launch from Shopify admin, split traffic, and keep the winner.

Install or open TestLift from a Shopify-owned surface.

Open Shopify admin

Shopify theme app embedNo theme code editsDawn validated

Free active tests

Theme baseline

Dawn

Pro trial

7 days

Validated on Dawn. Official compatibility is limited to Shopify's free themes; other themes may work with a custom selector.

The tests that move a Shopify store

Buy-button copy and homepage slideshows, with Bayesian results and guardrails built in.

Buy button copy

Test Add to cart, Checkout, and custom purchase buttons. See which words get the click.

Homepage slideshow

Try a new slideshow image plus optional heading and copy as one campaign. Show shoppers how the store could look.

No theme rewrite

Install the app embed and launch from Shopify admin. No theme code edits.

Bayesian reporting

Probability to win, uplift, credible intervals, and expected loss in one dashboard.

Automatic guardrails

Pause a weak variant before it costs you, and block a premature rollout.

From install to a winner

Create a test, split traffic, and see which version wins.

Install

Enable the app and extension in your Shopify theme.

Create

Define variants and split traffic in one focused setup flow.

Launch

Validate the target, choose the traffic split, and start collecting events.

Measure

Track lift, confidence, and rollout decisions from one dashboard.

What you can test

Target	Storefront surface	Setup
Add to cart copy	Product pages	Supported preset
Checkout button copy	Compatible cart or checkout button surfaces	Supported preset
Other button text	Compatible theme elements	Validated custom selector
Homepage slideshow	Homepage	Image + optional heading and copy

Validated on Dawn, with official compatibility limited to Shopify's free themes. Custom selectors are validated before a test goes live.

Start free. Go Pro when you are ready.

Get started

Free

3 active tests. Buy-button copy and homepage slideshows, with Bayesian reporting and guardrails.

Pro

$29/month

Unlimited active tests, the same reporting and guardrails, plus priority email support. Includes a 7-day trial.