I'm using the following link as an example:
https://blog.boot.dev/clean-code/writing-good-unit-tests-dont-mock-database-connections/
In Vivaldi and Orion I'm using the reader mode.
At about half of this article, the code blocks in the article look like this in the Vivaldi browser:

In Orion the same segment looks like this:

Besides the fact that the code blocks are displayed less clear (no grayish background), 2 code lines are gone.
All in all the reader view could be (much) improved.