Previewing Content Changes In Your Work With document.designMode

So, you just deployed a change to your website. Congrats! Everything went according to plan, but now that you look at your work in production, you start questioning your change. Perhaps that change was as simple as a new heading and doesn’t seem to fit the space. Maybe you added an image, but it just doesn’t feel right in that specific context.
What do you do? Do you start deploying more changes? It’s not like you need to crack open Illustrator or Figma to mock up a small chang