smart peeking panel that pulls up any link in an overlay atop the page you're viewing
To add the option into the Chrome Android app on your phone:
Type chrome:flags into the app's address bar.
Type the word ephemeral (yes, ephemeral) into the search box at the top of the screen that comes up.
Find the delightfully named "An ephemeral Preview Tab using the bottom sheet"
Tap the box beneath it and change its setting to "Enabled."
Tap the Relaunch
From now on, you can open up any web page, press and hold any link within it, and then look for the "Preview page" option in the menu that pops up to experience the joy of in-browser multitasking.