Service Workers at Slack: Our Quest for Faster Boot Times and Offline Support Using a CDN-cached HTML file, a persisted Redux store, and a Service Worker, we reduced Slack boot time by more than 50%. We recently rolled out a new version of Slack on the desktop, and one of its headlining features is a faster boot time. In this post, we’ll take a look back at our quest to get Slack running quickly,
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