Turn Website Traffic Into Smarter Decisions

Launch A/B tests without developers, complex setups, or slow dashboards. FlashAB helps you validate ideas fast, understand real user behavior, and confidently improve conversions.

Trusted by +200 marketers & founders

How it works

Why Teams Choose FlashAB

Most testing tools are either too technical or overloaded with features you’ll never use. FlashAB is built for speed, clarity, and action—so marketers, founders, and agencies can test ideas without friction.

1. Add a single script

Paste one lightweight script into your website or tag manager. No advanced setup, no configuration headaches.

2. Create your experiment

Use the visual editor to change text, buttons, layouts, or redirect traffic—without touching code.

3. Measure what matters

Track performance, compare variants, and see which version actually delivers better outcomes.

“FlashAB removed all the friction from testing. I can experiment whenever I have an idea—no waiting, no complexity.”

- Thomas — Growth Marketer

Who is it for?

Designed for Fast-Moving Teams

Test headlines, CTAs, layouts, and offers without relying on developers or slowing campaigns.
Run experiments across multiple client sites using a clean, repeatable workflow.
Validate decisions early, avoid guesswork, and focus resources on what actually converts.
“I always thought Flash AB was hard. Test It showed me another way. I ran my first experiment in 5 minutes. Now, I can run Flash AB whenever I am not sure about my landing page. This is game-changer.”

- Dan, founder at Founderpal,

Features

Everything You Need to Test with Confidence

Visual Editing Without Code

Make changes directly on your page and preview them instantly.

Performance-First Architecture

FlashAB is lightweight and optimized to keep your site fast.

Clear Experiment Reporting

Understand winners, losers, and trends without confusing statistics.

Flexible Installation Options

Use simple scripts or advanced integrations depending on your setup.

“This is the tool I wish I had in my previous startup. I could have pushed it way further if I had an easy way to run experiments.”

- Nico, Ex-Founder of Talknotes

Installation

Get Started Without Technical Barriers

No developer needed. Just copy and paste our lightweight script.

No-Code Setup

Copy, paste, and start testing. Works with WordPress, Webflow, GTM, Bubble, Framer, and more.

No developer needed!

Can be used with:

Developer-Friendly Option

Use JavaScript or framework-based integrations for deeper control and advanced targeting.

Supported languages:

Can be used with:

“Been using TestIt since the very first version and it has been a breeze to setup and work with”

- Erwin, Founder of Tailscan

Pricing

Simple and affordable for everyone.

No hidden fees, no surprises. Pay as you go or get a one-time pack for occasional testing.
For occasional testing. Available for a limited time.

€25 one-time payment

For occasional testing. Available for a limited time.

€30 one-time payment

For occasional testing. Available for a limited time.

€45 one-time payment

For those serious about improving their conversion rate

€80 one-time payment

“No other AB testing tool I've used in the past has been nearly as intuitive and easy to use as Test It.”

- Max, Marketer

FAQ

Frequently Asked Questions

What does a “Monthly Tested User” mean?

A monthly tested user is a unique visitor who is included in at least one active experiment during a billing period. If the same person sees multiple variations, they are still counted only once.

No. FlashAB is built to stay invisible to visitors. The script is extremely lightweight and loads quickly, ensuring your site performance and user experience remain unchanged.

Yes. FlashAB works with modern websites, including single-page applications. For dynamic pages and route changes, the SDK or advanced setup ensures experiments run correctly.

FlashAB focuses on client-side testing by default for speed and simplicity. However, advanced users can implement server-side logic using custom integrations and controlled targeting setups.

You can reach out via email whenever you need assistance. Whether it’s setup questions, experiment logic, or troubleshooting, support is available to help you get results faster.

FlashAB presents experiment outcomes in a clear, decision-oriented way. The goal is not to overwhelm you with raw statistics, but to help you confidently decide whether to roll out, iterate, or stop a test.

FlashAB is designed with privacy in mind. Only essential experiment data is processed, and you remain in control of what is tracked. No unnecessary personal data is collected or stored.

Why FlashAB Exists

After years in marketing and CRO, it became clear that most testing tools were either overpriced or overly complex. FlashAB was created to remove barriers and make experimentation accessible to everyone.

When common tools disappeared or became too heavy, the goal was simple: build a focused, affordable solution that helps teams test ideas and move forward with confidenc