Your source for feature flags, data-driven decisions, product strategies, and more
William Sigsworth
Head of Organic Growth
at
Flagsmith
Risk Reduction
A/B Testing vs. Canary: The Main Differences and When to Use Each
William Sigsworth
August 25, 2026
A/B testing vs. canary testing: how each one works, when to use them, and how canary testing vs. a/b testing decisions play out in practice.
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Risk Reduction
What is Multivariate Testing and How to Run an Effective Test
William Sigsworth
August 24, 2026
Multivariate testing lets you test multiple variables at once. Here's what it is, when to use multivariate testing, and how to do it, with examples.
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Release Strategies
Continuous Integration Testing: A Complete Guide
William Sigsworth
August 17, 2026
What is continuous integration testing? Learn how CI testing works, the tools behind it, and how it fits with automated testing in a CI/CD pipeline.
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7 Testing Environment Best Practices for Reliable Releases
William Sigsworth
August 10, 2026
This guide to testing environment best practices covers software testing environment best practices and production testing environment best practices.
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Release Strategies
What Is Feature Experimentation? A Guide for Engineering Teams
William Sigsworth
July 29, 2026
What is feature experimentation? See how feature flags turn releases into controlled tests, reducing risk while validating what actually works.
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Risk Reduction
How to Choose the Best Feature Flags for Your AI Company
William Sigsworth
July 28, 2026
Shipping AI features is risky without the right controls. Learn what to look for in feature flag tools built for the pace and unpredictability of AI development.
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Developer Productivity
The 7 Key Phases of the Software Development Lifecycle
William Sigsworth
July 21, 2026
What is the software development lifecycle? Learn the seven key phases, popular SDLC models, and how to optimize them for your team.
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Risk Reduction
How to Build a Software Rollback Strategy for Your Deployments
William Sigsworth
July 16, 2026
Learn how to build a software rollback strategy that combines feature flags, automated rollback, and database rollback to cut downtime.