Override and mock network responses #DevToolsTips

Test UI changes and production fixes with the powerful network response overrides in Chrome DevTools. Mock response headers, files, API requests, and more with ease!

Chapters:
0:00 - Intro
0:40 - Mock API to test production fixes
1:30 - Setup overrides folder
1:41 - Prototype new UI design
2:13 - Sync and edit overridden files anywhere
2:30 - Testing performance fixes - CLS
3:20 - Overrides doesn’t work in Elements panel
3:40 - Tip: Search panel
4:33 - Redirect overrides dialog
4:54 - Override JavaScript, CSS or other files
5:06 - Override HTTP response headers
6:22 - Auto disable cache when there are overrides
6:40 - Filter overridden response

Resources:
Override web content and HTTP response headers locally → http://goo.gle/devtools-overrides
Cumulative Layout Shift (CLS) → https://goo.gle/3Jrjbim

3 insightful community blog posts:
Optimize Page Speed with Overrides → https://goo.gle/448cZWa
Run Core Web Vitals Experiments with Overrides → https://goo.gle/3U1AGdS
Making images lazy-load with Overrides → https://goo.gle/44a3fKY
Watch more DevTools Tips → https://goo.gle/DevToolsTips
Subscribe to Chrome for Developers → https://goo.gle/ChromeDevs

Questions? Tweet to us:
Jecelyn Yeen → https://goo.gle/jecfish
Chrome DevTools → https://goo.gle/chromedevtools

Watch more DevTools Tips → https://goo.gle/DevToolsTips

#ChromeForDevelopers #Chrome

Speaker: Jecelyn Yeen
Products Mentioned: Chrome - General

• #science_technology
• #chrome
• #developers
• #google
• #web
• #pr_pr_chrome
• #typedevbyte_video
• #gdsyes
• #chrome_devtools
• #override_and_mock_network_responses
• #api_requests
• #cumulative_layout_shift
• #cls