Udacity – Website Performance Optimization
Size: 590 MB
COST: Membership Site= Your Free
Author: Ilya Grigorik
Sale Page: _https://www.udacity.com/course/website-performance-optimization%E2%80%93ud884
Lesson 0 (20 minutes)
You can’t optimize what you can’t measure, so in this lesson you’ll learn how to open Chrome Developer Tools to measure the performance of mobile and desktop websites.
Lesson 1 (60 minutes)
HTML is converted to the Document Object Model (DOM).
CSS is converted to the CSS Object Model (CSSOM).
the browser runs layout to determine the position and size of elements before painting pixels on the screen.
Throughout the lesson, you’ll learn how to take advantage of the Timeline view in Chrome Developer Tools to measure each and every step’s performance on mobile and desktop.
Lesson 2 (90 minutes)
building quick and dirty diagrams of the Critical Rendering Path.
identifying three key metrics to triangulate potential performance bottlenecks.
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