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Evan Weiss

Evan is the Product Manager for Analytics at Optimizely. He is passionate about enabling our customers to learn from and take action on their data.

Blog Posts by Evan Weiss

January 31, 2019

Optimizely Continues to Add Integrations to Bolster its Open Platform

We’re excited to announce that we’ve teamed up with Lotame to launch a new audience integration for Optimizely Web. This integration enables Optimizely customers to scale their personalization programs by targeting Lotame DMP audiences with Optimizely Web campaigns. Personalization and DMPs An effective personalization strategy starts with identifying valuable audiences and then targeting them with
September 12, 2018

Announcing Flexible Segmentation for Deeper Insights on Experiment Results

Today at Opticon, we announced the launch of Flexible Segmentation — a major enhancement to the segmentation capabilities of the Optimizely results page. Now analysts can drill-down into the most important granular segments and understand how they performed against key experiment metrics. This capability allows experimenters to: Combine multiple user attributes to pinpoint segments of
August 22, 2018

How to Make Statistically Sound Decisions Using Confidence Intervals

As an experimenter, the pressure to make a decision after you’ve run an A/B test can lead to some pretty wacky interpretations of non-significant experiment results. After all, what does it even mean for something to be “trending in the direction of statistical significance” (a phrase actually stated confidently during a recent experiment review at
June 14, 2018

Leveraging Interaction Effects in A/B and Multivariate Testing

“Interaction effects”. This phrase can strike fear into the heart of anyone who has contemplated running multiple concurrent A/B tests. At best, experimenters view interaction effects as an inconvenient reality which forces them to consider making experiments mutually exclusive. At worst, interaction effects can make it difficult or impossible to interpret the results of concurrent
October 05, 2017

Improving Snippet Performance and Matching with 3rd Party Analytics

Today, we’re pleased to share a pair of new updates to the Optimizely JavaScript snippet which are launching in general availability: a more performant event logging endpoint (/events), and new JavaScript methods for event timing. /events Logging Endpoint: Better performance through batching Our customers care a lot about the performance impact of including our snippet