Web platform features explorer

Import maps

A <script type="importmap"> HTML element provides an import map as a JSON string. An import map controls how the browser should resolve module specifiers when importing JavaScript modules.

Status

Baseline Newly Available (since 2023-03-27)

This feature is expected to reach Baseline Widely Available status on: 2025-09-27

MDN documentation

Specifications

Browser support (view on caniuse.com)

  • Chrome 89 Released on 2021-03-02
  • Chrome Android 89 Released on 2021-03-02
  • Edge 89 Released on 2021-03-04
  • Firefox 108 Released on 2022-12-13
  • Firefox for Android 108 Released on 2022-12-13
  • Safari 16.4 Released on 2023-03-27
  • Safari on iOS 16.4 Released on 2023-03-27

Usage (according to Chrome Platform Status)

~0.617% of page loads. More data at chromestatus.

Interop

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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