Theme Testing FAQs

Nope! TestSignal is built so anyone can run Theme Tests — no liquid editing or development work required. Just pick your themes, choose your traffic split, and launch.

You can test up to 5 theme variations in a single experiment.

No! TestSignal handles everything automatically. No theme edits, no scripts, and no developers required.

Yes. Each variation includes a preview button so you can confirm everything looks correct before starting the test.

Most merchants run tests for 1–3 weeks, depending on traffic and product cycles. TestSignal will show you when your results are statistically significant.

Will Theme Testing overwrite my live theme?

Not at all. TestSignal uses a lightweight script that loads after your main theme assets, keeping your site fast and stable.

No flicker. No flashing.
Visitors load directly into the correct theme version assigned to their test group.

Yes — all changes are visually applied but never overwrite your live theme. Your Shopify admin theme settings remain untouched and fully intact.
Even if you stop a test mid-way, your store immediately returns to its default design without any leftover code.

You can instantly pause, edit, or remove any test group from the TestSignal dashboard.
No republishing or theme rollbacks needed.

Nope. TestSignal automatically handles cache-busting and ensures each visitor receives the correct image variation instantly.