The better the appearance of a diagram, the better and faster it will be received. One option is to optimize readability. You can learn how to unify fonts and font sizes in this video.
Get your 30-day trial – draw.io is available on the Atlassian Marketplace (https://drawio.link/marketplace)
Or learn more about diagramming with draw.io at https://drawio-app.com/learning. You can also take a look at our blog (https://drawio-app.com/blog) to always stay up-to-date on new draw.io features in Confluence.