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Thanh-Vi Le
Jan 10, 2023
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Optimizely Web Experimentation to end support for Internet Explorer (IE) in 2023

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Optimizely Web Experimentation, including both the Web and Performance Edge products, will no longer support any version of IE on the 15th of April 2023.

Microsoft ended support for IE11, the most recent version of IE, on June 15, 2022. Despite this, the Web and Edge snippets have continued to support IE11 through the end of 2022. The decision to drop support comes from the lack of visitor traffic. As of this writing, IE makes up only about 0.248% of traffic amongst the top 10 most popular browsers that our customers’ visitors use and only 0.247% of our total browser usage, yet our developers spend a disproportionate amount of time testing and resolving support tickets tied to it.

This decision entails that Optimizely will no longer validate that new changes to the Web and Performance Edge snippets work on IE11. We won’t force any specific behaviours based on browsers: users can choose to conditionally load the snippet on supported browsers, or to rely on our variety of custom JS areas rather than our OOTB logic – ensuring their JS will run on any browser.

Note: Optimizely Full Stack also dropped support and stopped testing for Internet Explorer in June 2022.

Thank you for trusting Optimizely with providing you the means to create experiences that your customers love. Please contact support@optimizely.com if you need assistance with our Web Experimentation and/or Performance Edge products, and don’t hesitate to use https://feedback.optimizely.com/ so we can continue making (y)our products better.

 

 

Jan 10, 2023

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