Surely you are wondering what you can show on your web pages. Formally today you can show everything you want to have on them. Much depends on what you want to show.
If it is not prohibited by law, then on your pages you can write about everything you like. The question is whether you will find the recipients of your content.
This is often the biggest problem.
Creating content for websites is not a big problem. The problem is finding people who will be interested in our information. If we reach a loyal circle of readers interested in our content, then we will certainly be satisfied with the content we create.