Are you troubled by these questions?
Most websites do not have "wrong SEO", but the technical level is delayed. If you encounter any of the following 2 items, the problem is most likely not the content, but the technical SEO:
- Pages are recorded, but there is almost no search flow
- Core keywords long-term stuck on pages 2–3
- The website is slow and has a high rate of exit.
- Content is continuously updated, but the weight is not increased
- After the revision/launch, the ranking declined instead