Can I use
?

Portals

- UNOFF

Portals enable seamless navigation between sites or pages. A new page can be loaded as an inset using the <portal> element (similar to an iframe) which can then seamlessly transition to the new navigated state when "activated".

Chrome

  1. ❌ 4 - 74: Not supported
  2. ❌ 75 - 84: Disabled by default
  3. ❌ 85: Disabled by default
  4. ❌ 86 - 146: Disabled by default
  5. ❌ 147: Disabled by default
  6. ❌ 148 - 150: Disabled by default

Edge

  1. ❌ 12 - 84: Not supported
  2. ❌ 85 - 89: Disabled by default
  3. ❌ 90 - 145: Disabled by default
  4. ❌ 146: Disabled by default

Safari

  1. ❌ 3.1 - 26.3: Not supported
  2. ❌ 26.4: Not supported
  3. ❌ 26.5 - TP: Not supported

Firefox

  1. ❌ 2 - 148: Not supported
  2. ❌ 149: Not supported
  3. ❌ 150 - 152: Not supported

Opera

  1. ❌ 9 - 60: Not supported
  2. ❌ 62 - 72: Disabled by default
  3. ❌ 73 - 126: Disabled by default
  4. ❌ 127: Disabled by default

IE

  1. ❌ 5.5 - 10: Not supported
  2. ❌ 11: Not supported

Chrome for Android

  1. ❌ 147: Disabled by default

Safari on iOS

  1. ❌ 3.2 - 26.3: Not supported
  2. ❌ 26.4: Not supported
  3. ❌ 26.5: Not supported

Samsung Internet

  1. ❌ 4 - 28: Not supported
  2. ❌ 29: Not supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ❌ 80: Not supported

UC Browser for Android

  1. ❌ 15.5: Not supported

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ❌ 147: Not supported

Firefox for Android

  1. ❌ 149: Not supported

QQ Browser

  1. ❌ 14.9: Not supported

Baidu Browser

  1. ❌ 13.52: Not supported

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ❌ 3: Not supported
Resources:
Hands-on with Portals: seamless navigation on the Web