How does the search engine treat the site title in the title?

Question

Search Engine Optimization

Let's say there is:
ARTICLE - SITE NAME
Should I remove the site name? I read somewhere that it affects search results and leads to dissatisfaction with the search engine. What do you think?

Answer 1

Yes, they are normal - do not worry. The main thing is to keep the dimension of the title and ensure that the main key is as close to the beginning as possible.