Recording TAB view rather than SCREEN can help achieve this. The smaller the browser window is, the clearer the text will show. You may need to perform a couple of test runs to get to the desired result.
Here is an example where the text and image size change based on window size:
If you do need to use SCREEN mode to record, you can reduce the screen resolution to something smaller. For example, try changing from a 4k resolution to 1080p (or 720p to match the GoVideo output).