- [Instructor] When we are working statically…in our development environment to improve performance,…we don't know exactly how well our users…are accessing the website.…So our measurements are not real.…So that's why we can use real user monitoring solution,…or RUM, that will basically gather information…clients side from the browser to understand…the current metrics of our user.…We can make analytics on that data.…
We can improve the experience of every user…based on that data.…And also we can prove and create that stats…on our servers and local testing environments…to create conditions for simulation that…are closer to real ones.…And after, we gather some data,…we can start applying some…reactive web performance techniques.…In this case, the idea of reactive web performance…is to be closer to our user centric goals…on every situation, no matter what.…
So if we want to show the user meaningful content…in three seconds, we need to do that…if the user is on desktop with a Wifi connection,…if the user is on Galaxy S9, on 4G,…
- Understanding the Performance APIs
- Navigation Timing
- Calculate milestones in the Performance Timeline
- Measuring the timing of navigation, resources, servers, and more
- Reading network and device information
- Optimizing code
Skill Level Advanced
Designing Websites for Performancewith Brian Wood43m 32s Appropriate for all
1. Reactive Web Performance
2. Performance Basics
3. Measure Performance
4. Decision-Making Helpers
5. Execute Code More Efficiently
Next steps1m 31s
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