A/B Testing Articles

  • diagram-of-linkedin-services-and-the-lix-engine

    Making the LinkedIn experimentation engine 20x faster

    January 3, 2020

    Co-authors: Alexander Ivaniuk, Jingbang Liu At LinkedIn, we like to say that experimentation is in our blood because no production release at the company happens without experimentation; by “experimentation,” we typically mean “A/B testing.” The company relies on employees to make decisions by analyzing data. Experimentation is a data-driven foundation of the...

  • results-graph-image

    Understanding network quality: The rise of customized content delivery

    June 10, 2019

    “Make LinkedIn feel instantaneous” is a mantra our performance team lives by to deliver the best possible experience to our members. We are constantly on the lookout for ways to improve our site speed and user experience, be it through optimizing our infrastructure and edge, accelerating our web and mobile applications’ performance, or tuning our systems and...

  • cluster-illustration

    Detecting interference: An A/B test of A/B tests

    June 5, 2019

    At LinkedIn, most decisions are made using experiments. When we want to decide between two features, we test them against each other in the real world: we give feature A to a random set of members, feature B to another set, and we compare the results. Are users of feature A more engaged? Do they have a better experience with our products? If so, feature A wins....

  • videoperformance1

    How LinkedIn Uses Data to Improve Video Performance

    January 14, 2019

    At LinkedIn, we use data to improve our members’ experiences while using our site. On the video team, we value metrics that yield...

  • creatoroptimization1

    Spreading the Love in the LinkedIn Feed with Creator-Side...

    October 16, 2018

    Co-authors: Bonnie Barrilleaux and Dylan Wang Our 567M members use the LinkedIn feed to talk to each other a lot: more than a million...

  • ai3

    An Introduction to AI at LinkedIn

    October 9, 2018

    Editor’s note: The use of AI in LinkedIn products has been the subject of multiple press articles and research papers (some...