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 - 112: Disabled by default
  5. 113: Disabled by default
  6. 114 - 116: Disabled by default

Edge

  1. 12 - 84: Not supported
  2. 85 - 89: Disabled by default
  3. 90 - 112: Disabled by default
  4. 113: Disabled by default

Safari

  1. 3.1 - 16.4: Not supported
  2. 16.5: Not supported
  3. 16.6 - TP: Not supported

Firefox

  1. 2 - 112: Not supported
  2. 113: Not supported
  3. 114 - 115: Not supported

Opera

  1. 9 - 60: Not supported
  2. 62 - 72: Disabled by default
  3. 73 - 98: Disabled by default
  4. 99: Disabled by default

IE

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

Chrome for Android

  1. 113: Disabled by default

Safari on iOS

  1. 3.2 - 16.4: Not supported
  2. 16.5: Not supported

Samsung Internet

  1. 4 - 20: Not supported
  2. 21: Not supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 73: Not supported

UC Browser for Android

  1. 13.4: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 113: Not supported

Firefox for Android

  1. 113: Not supported

QQ Browser

  1. 13.1: Not supported

Baidu Browser

  1. 13.18: Not supported

KaiOS Browser

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