Are you writing too much content?
Key Takeaways from this article
For more user experience, Google algorithms have been changing from keyword centric content to more of what matches user's needs.
It's important to understand the content length because long articles might be preferred on desktop, but on mobile the entire article gets completed only if the word count is less in number.
What audience is looking for makes more sense and is crawled by Google rather than short content or long content articles.