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Front-End Performance Checklist 2021

Smashing Magazine

CrUX generates an overview of performance distributions over time, with traffic collected from Google Chrome users. But account for the different types and usage behaviors of your customers (which Tobias Baldauf called cadence and cohorts ), along with bot traffic and seasonality effects. You can create your own on Chrome UX Dashboard.

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Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]

Smashing Magazine

Keep in mind that a good performance picture covers a set of performance metrics, lab data and field data : Synthetic testing tools collect lab data in a reproducible environment with predefined device and network settings (e.g. Real User Monitoring ( RUM ) tools evaluate user interactions continuously and collect field data (e.g.

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Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]

Smashing Magazine

Keep in mind that a good performance picture covers a set of performance metrics, lab data and field data : Synthetic testing tools collect lab data in a reproducible environment with predefined device and network settings (e.g. Real User Monitoring ( RUM ) tools evaluate user interactions continuously and collect field data (e.g.

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HTTP/3: Practical Deployment Options (Part 3)

Smashing Magazine

In our own early tests , I found seriously diminishing returns at about 40 files. Finally, not inlining resources has an added latency cost because the file needs to be requested. Note that there is an Apache Traffic Server implementation, though.). Support is unclear at this time. Nothing has been announced.

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