← WWDC 2019

Configure player

Close

WWDC Index does not host video files

If you have access to video files, you can configure a URL pattern to be used in a video player.

URL pattern

preview

Use any of these variables in your URL pattern, the pattern is stored in your browsers' local storage.

$id
ID of session: wwdc2019-513
$eventId
ID of event: wwdc2019
$eventContentId
ID of session without event part: 513
$eventShortId
Shortened ID of event: wwdc19
$year
Year of session: 2019
$extension
Extension of original filename: mp4
$filenameAlmostEvery
Filename from "(Almost) Every..." gist: [2019] [Session 513] Understandi...

WWDC19 • Session 513

Understanding CPU Usage with Web Inspector

Frameworks • iOS, macOS • 13:23

As a developer of web content, you play an important role in fulfilling customer expectations for a high performance web experience while minimizing power use across all their devices. Discover new insights on how you can improve the power efficiency of your webpages in Safari, or embedded web content in your apps, by using this powerful new tool in Web Inspector. Learn new strategies to help you deliver dynamic experiences that use less CPU and save battery life.

Speaker: Jonathan Davis

Open in Apple Developer site

Downloads from Apple

HD Video (616.5 MB)
SD Video (70.7 MB)
PDF Slides (23.1 MB)