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 - 135: Disabled by default
  5. ❌ 136: Disabled by default
  6. ❌ 137 - 139: Disabled by default

Edge

  1. ❌ 12 - 84: Not supported
  2. ❌ 85 - 89: Disabled by default
  3. ❌ 90 - 135: Disabled by default
  4. ❌ 136: Disabled by default

Safari

  1. ❌ 3.1 - 18.4: Not supported
  2. ❌ 18.5: Not supported
  3. ❌ TP: Not supported

Firefox

  1. ❌ 2 - 137: Not supported
  2. ❌ 138: Not supported
  3. ❌ 139 - 141: Not supported

Opera

  1. ❌ 9 - 60: Not supported
  2. ❌ 62 - 72: Disabled by default
  3. ❌ 73 - 116: Disabled by default
  4. ❌ 117: Disabled by default

IE

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

Chrome for Android

  1. ❌ 136: Disabled by default

Safari on iOS

  1. ❌ 3.2 - 18.4: Not supported
  2. ❌ 18.5: Not supported

Samsung Internet

  1. ❌ 4 - 26: Not supported
  2. ❌ 27: 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. ❌ 136: Not supported

Firefox for Android

  1. ❌ 137: 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