Ryan Feigenbaum articles - 39 total
Feature Flagging at Scale: 5 Power Tools You Shouldn’t Skip
You've got 99 feature flags and guess what? That is the problem. And it's only the beginning. Now...
How to A/B Test AI: A Practical Guide
Large Language Models (LLMs) are evolving at breakneck speed. Every month, new models claim to be...
GrowthBook Version 3.5
With this release, we focused on user experience and productivity improvements. There’s a...
The Hidden Complexities of Building Your Own A/B Testing Platform
Years ago, at Education.com, we decided to build our own A/B testing platform. We had a large...
GrowthBook Version 3.4
It’s been 2 months since our last release and we’re excited to bring you some highly requested...
Feature Flags with Express.js and GrowthBook
This guide walks through how to add GrowthBook feature flags to an Express.js application. It assumes...
Introducing Multi-Armed Bandits in GrowthBook
Bandits have been released in beta as part of GrowthBook 3.3 for Pro and Enterprise customers. See...
GrowthBook Version 3.3
We’ve been hard at work on GrowthBook version 3.3, which includes Multi-Arm Bandits, powerful new...
Announcing GrowthBook on JSR
GrowthBook is committed to supporting modern platforms, bringing advanced feature flagging and...
5 Ways to Use Feature Flags for Smarter Releases
In their most basic form, feature flags are like light switches: They let you turn features on and...
Convincing Leadership to Adopt A/B Testing
Many of today's leading companies rely on A/B testing to measure the impact of product changes and...
GrowthBook Version 3.2
We’re proud to announce the release of GrowthBook 3.2. This release includes much requested...
GrowthBook Hits 6,000 Stars on GitHub: What’s Driving Our Growth?
We’re thrilled to announce that GrowthBook has reached 6,000 stars on GitHub! This milestone means...
9 Common Pitfalls That Can Sink Your Experimentation Program
Controlled experiments, or A/B tests, are the gold standard for determining the impact of new...
How We Built WebLens: Creating an AI-Powered Hypothesis Generator
Background With the advent of generative AI, companies across all industries are...
GrowthBook Version 3.1
In version 3.1, we focused on three key areas: GrowthBook is now easier to use with Auto Fact...
When Companies Adopt Feature Flags
In the wake of recent worldwide outages, the importance of robust deployment strategies has never...
Client Side Feature Flagging
Feature flags are a powerful tool for building products that unlock significant advantages. With...
Better Visual Editor Experiments
Experimenting on websites with a visual editor always has its pros and cons. But what if you could...
Measuring A/B Test Impacts on Website Latency: Using Quantile Metrics in GrowthBook
Traditional A/B testing compares the mean of a treatment variation to the mean of a control...
Bayesian Model Updates in GrowthBook 3.0
In anticipation of the forthcoming GrowthBook 3.0 release, we’re making several changes to how our...
Code References
As companies grow, they often find themselves increasingly reliant on feature flags. While these...
Changing Running Experiments Safely and Flexibly in GrowthBook
Running experiments can be a messy business and you often want to make changes...
Install Node on macOS, Windows, and Linux
As the saying goes, "Every journey begins with a single step." In the world of web development,...
How to debug your Ghost theme
Like a behind-the-scenes look at your favorite film, Ghost’s {{log}} helper lets you see the data...
Create a Google News sitemap with Ghost
Reach new audiences by having your content show up in Google News. Readers get the benefit of discovering your content in a single hub and the ability to share and bookmark articles easily. Learn everything you need to know about adding your Ghost site to Google News in this tutorial.
Hacktoberfest with Ghost: Help bring i18n to our app
Help bring better translation support into Ghost for Hacktoberfest 2022
How to add a tip jar to a Ghost site
Offer your most engaged readers multiple ways to support your content by adding a tip jar to your...
My 5 Fave Free Icon Sets
Even the simplest user interface will need an icon or two. Not only do they convey information...
Supercharge Your Ghost Theme with Custom Settings
For theme developers, custom settings are cool as shit. Before, if you wanted to give users...