Of course, the rules for SEO are constantly changing. Sometimes this can even happen several times a day. You never know what events that affect this will happen in the near future, so you need to be ready, perhaps even for drastic changes. Now there are a huge number of articles for marketing and seo, so you can find this information from experienced entrepreneurs. This is a very multifaceted topic and I don't think it can be briefly described in one post and talk about all aspects. Often, an individual approach is needed here, which is based on a large number of local factors.