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Dev tools · November 5, 2010

AB

A/Bingo for ASP.NET

FairlyCertain is an A/B Testing library that you can drop straight in to any existing ASP.NET project and immediately start testing website changes.

A/Bingo for ASP.NET launched on November 5, 2010 with 32 votes, #10 of 59 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 15 years on.

Visit fairtutor.com ↗A/Bingo for ASP.NET alternativestop 17% of November 2010

In plain words

FairlyCertain is an A/B testing library for ASP.NET and ASP.NET MVC projects that allows developers to test website changes without extensive setup. The tool integrates directly into existing applications and enables users to compare different versions of web pages to identify which performs better. It is based on the ABingo library for Rails and is designed for developers building e-commerce or content-driven websites.

written from the facts on this page · September 2026

From the sources

It lets you test website changes against each other so that you'll sell more stuff and make more money. FairlyCertain is an A/B Testing library that you can drop straight in to any existing ASP.NET (or ASP.NET MVC) project and immediately start testing website changes. It's essentially a port of ABingo for Rails, so it shares many of the samefrom fairtutor.com

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