Overview Open Chrome DevTools What's New in DevTools DevTools tips Simulate mobile devices with Device Mode Performance insights: Get actionable insights on your website's performance Lighthouse: Optimize website speed Animations: Inspect and modify CSS animation effects Changes: Track your HTML, CSS, and JavaScript changes Coverage: Find unused JavaScript and CSS CSS Overview: Identify potential CSS improvements Issues: Find and fix problems Media: View and debug media players information Memory Inspector: Inspect ArrayBuffer, TypedArray, DataView, and Wasm Memory. Network conditions: Override the user agent string Security: Understand security issues Search: Find text across all loaded resources Sensors: Emulate device sensors WebAuthn: Emulate authenticators Customize DevTools Engineering blog
Overview Open Chrome DevTools What's New in DevTools DevTools tips Simulate mobile devices with Device Mode Performance insights: Get actionable insights on your website's performance Lighthouse: Optimize website speed Animations: Inspect and modify CSS animation effects Changes: Track your HTML, CSS, and JavaScript changes Coverage: Find unused JavaScript and CSS CSS Overview: Identify potential CSS improvements Issues: Find and fix problems Media: View and debug media players information Memory Inspector: Inspect ArrayBuffer, TypedArray, DataView, and Wasm Memory. Network conditions: Override the user agent string Security: Understand security issues Search: Find text across all loaded resources Sensors: Emulate device sensors WebAuthn: Emulate authenticators Customize DevTools Engineering blog

Throttling

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Settings. Settings > Throttling lists custom throttling profiles. You can use these profiles to test custom connection speeds in the Network panel.

To add a custom profile:

  1. Open Settings.

  2. In the Throttling tab, click Add custom profile.

  3. Specify the following values for the new entry:

    Creating a new profile in the Throttling tab.
    • Profile Name.
    • Download and Upload speeds in Kbps.
    • Latency in milliseconds.
  4. Click Add to save the new profile. You can now select it from the throttling drop-down list in the Network panel.

To edit or remove an existing profile, click Edit. or Delete. buttons that appear on hover.

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