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Optimizely Blog

Tips & Tricks for Building Your Experimentation Program

Unleashing Optimizely Web with Segment Personas


This is a guest post written by Albert Sunwoo, Solutions Engineer at Segment. It is part one of a two-part series from Segment on how to integrate Segment and Optimizely to optimize customer experiences. Running successful experiments and personalization campaigns requires that you choose the right metrics and target the right audiences. Segment Connections helps teams […]

I/Own It Hack Reactor Scholarship 2018 Winners


I/Own It Hack Reactor Scholarship 2018 Winners

In a previous blog post, I announced the launch of Optimizely’s third Hack Reactor Scholarship and Internship program, and elaborated on why we continue to support it. Today, I’m thrilled to announce our three winners for 2018. We received more than 611 applications and interviewed eleven candidates. To everyone who applied: thank you. We are […]

Stats Accelerator – Acceleration Under Time-Varying Signals


This is part two of a series on Stats Accelerator. In the first part, we explained the when, why, and how of Stats Accelerator. In today’s installment we will discuss a major roadblock to successful productionization of bandits in the A/B testing context and how we eventually overcame it. This is a high-level overview. For […]

Roll Out a Product Redesign with Optimizely Feature Flags


Roll Out a Product Redesign with Optimizely Feature Flags

At Opticon last month, we launched a rebrand of Optimizely. As product designers, we knew we’d have to move quickly to roll out the new brand in our product to coincide with the big Opticon launch. But redesign projects are often complex, fraught with challenges, and take resources away from higher priorities such as designing […]

Through Self-Hosting Optimizely Casper Improves Site Performance by 36%


Through Self-Hosting Optimizely Casper Improves Site Performance by 36%

In this post by customer Kyle Rush, VP of Engineering at Casper and former Deputy CTO on the Hillary For America campaign, we can see firsthand how his team dramatically improved the site performance of casper.com. Using a new recommendation from Optimizely that encourages more flexible implementation options for customers through Optimizely Web, Rush and […]

Speed Matters: Making Optimizely Web Even Faster


You’ve probably heard that performance matters on the web. But in recent years, performance has taken center stage. It’s gone from being a priority for technical teams to becoming a top priority for business and product leaders as well. Why? Performance can impact key business metrics like page or cart abandonment, conversion rates, and ultimately […]

Stats Accelerator — The When, Why, and How


This content originally appeared on Medium. What is Stats Accelerator and why use it? When a customer sets up an A/B/n test using Optimizely, they choose what percentage of visitors (or samples) will be exposed to each of the test’s variations. This is the test’s traffic allocation. The traffic allocation stays the same, unless a customer manually changes […]

How Optimizely is Building a Culture of Product Experimentation


Why Product Experimentation? Before I joined Optimizely, I worked at Microsoft on what was once the world’s leading internet browser, Internet Explorer. For those of us who have forgotten about this great browser, here’s a screenshot: As an engineer, I was tasked to work with a product manager on developing an algorithm for determining the […]

Why siloed optimization goals limit success


If there was a glass ceiling for experimentation, it would be scalability and measurement. One of the key challenges for experimenters lies in developing a strategy that will enable them to scale their optimization program and create the right metrics to effectively measure its success.   The most innovative of organizations have multiple teams testing, […]