Introduction
Welcome
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What you should know
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1. Web Performance Optimization
Web performance optimization (WPO)
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WPO in the enterprise world
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Where to focus our efforts
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Performance and perception goals
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Understanding the mobile web
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2. Charts and Metrics
The waterfall chart
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The HAR format
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Performance milestones
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Filmstrip views
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Speed index
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3. Measuring Performance
Measuring on different platforms
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Measuring on different networks
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Using WebPagetest
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Creating scripts with WebPagetest
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Using Microsoft Edge developer tools
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Using Safari developer tools
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Using Firefox developer tools
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Using Google Chrome Developer Tools
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Using Lighthouse
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Measuring on Android and iOS
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Measuring in production with APIs
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4. Improving the Loading Experience
Loading steps review
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Optimizing the network, part 1
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Optimizing the network, part 2
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Optimizing the parsing
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Optimizing the rendering
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Optimizing images
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Achieving extreme loading performance
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5. Improving Recurrent User Performance
Meeting your new friend: The cache
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Fetching for possible futures
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Put service workers to work
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Advanced service worker ideas
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6. Improving Interaction Experience
Giving immediate feedback
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Keeping a consistent frame rate
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