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Slack Engineering

#performance

Building Background Effects for Clips

Building Background Effects for Clips

@Albert Xing
A real-time, web-based video processing pipeline
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Continuous Load Testing

Continuous Load Testing

@Shreya Ramesh@Melissa Khuat
Building a culture of performance with Koi Pond
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Gantry: Slack’s Fast-booting Frontend Framework

Gantry: Slack’s Fast-booting Frontend Framework

@Anuj Nair
Our quest to streamline product development, improve productivity, and automatically adopt best performance practices on the frontend.
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How Slack Built Shared Channels

How Slack Built Shared Channels

@Yingyu Sun@Mike Demmer
Building shared channels challenged Slack’s fundamental assumption that the workspace is the atomic unit of partitioning customer data.
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Service Workers at Slack: Our Quest for Faster Boot Times and Offline Support

Service Workers at Slack: Our Quest for Faster Boot Times and Offline Support

@Jim Whimpey
Using a CDN-cached HTML file, a persisted Redux store, and a Service Worker, we reduced Slack boot time by more than 50%.
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Chrome Tracing for Fun and Profit

@Jeremy Rose
You might have used DevTools to profile your JavaScript. But there’s a lot that DevTools can’t tell you.
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Unified Cross-Platform Performance Metrics

Unified Cross-Platform Performance Metrics

@Liang Shi
How Slack unified performance metrics across Desktop, iOS, and Android
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Rebuilding slack.com

Rebuilding slack.com

@Mina Markham
A redesign powered by CSS Grid and optimized for performance and accessibility.
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