- LCP, FID, CLS, Other Perf timing API
- Improving loading experience includes - link rel preload, Priority Hints, Native lazy loading using simple html image attributes etc
- Various performance APIs - UserTiming, LongTask, ElementTiming, ResourceTiming, ServerTiming, PaintTiming etc.
- Tips & Tricks around ChromeDevtools to profile, detect, address issues & repeat i.e overrides, log point, performance profiling.
- Demistify values around webpagetest
- Font optimization techniques
- Explaing browser rendering pipeline
- Progressive Web Apps - ServiceWorker as a reverse proxy
- Faster and resilient apps using ServiceWorker
- Smart Forms to inteligently save until a user is back online
- Keeping main thread free for quick interactivity using worker thread
- Javascript bytes are not same as image bytes
- Performance culture by using tools like lighthouse performance budget, Bundlesize
- How to use React profiler to track APP performance numbers
- Virtual scroller to improve the interactivity & minimize the number of dom elements
Wanted to cover these topics this year