Effective A|B testing with GrowthBook and Flagger
GitHub does not have the tooling to help you with A|B testing but there are many tools available on the market. The problem is that many of these tools have completely different scopes. Some are more like web experience tools, which you can use to build your website using a content management system (CMS) or to build A|B tests using a visual editor to create and test your variations (for example, Optimizely – see https://www.optimizely.com/). Some are more focused on marketing, landing pages, and campaign management, such as HubSpot (https://www.hubspot.com/). These tools are great but probably not the right choice for an engineering team.
A better solution is provided by the tools for doing feature flags, such as LaunchDarkly, VWO, or Unleash. I have covered these tools in Chapter 10, Feature Flags and the Feature Lifecycle, so I will not cover them again here. If you are using one of these solutions for feature flags, this...