Open Google Chrome
Open the first webpage
Open the second webpage in a new tab or new window
Drag one Chrome window to the left side of your screen
Drag the other Chrome window to the right side of your screen
On Windows, use Win + Left Arrow and Win + Right Arrow to snap windows
On Mac, use Split View by holding the green window button and selecting a side
Adjust the divider between the two windows as needed
Use a Chrome split-screen extension if you want two tabs in one window
Select the tabs you want to view side by side in the extension
Keep both pages open and resize them as needed