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the borrow checker blog

Optimizing frontend performance

Frontend Performance #

Performance in modern web apps has never been more important. Now that we have apps with many more features than ever before and that we have a platheora of devices and operating systems over ever varrying network conditions makes the topic complicated.

Performance affects UX. Performance directly co-relates to bounce rates and coversions.

The RAIL Model #

Response #

Animation #

Idle #

Load #

Ideal Specs #

Recommendations #

Recommendations always depend a bit on what the purpose of the app is and what the users would be expecting.

Its all about resources JS(by far the most costly resource, libraries have to be downloaded, parsed, compiled and executed), CSS(has to be download, parsed, applied before the site specific styles)

Benchmarking #

Additional Reading #