If you don't have much experience in SEO tasks, then you're likely to make SEO mistakes. The common mistakes may include:
1. Choosing Wrong Keywords
2. Doing Keyword Stuffing
3. Using Title tags and Meta description that don't contain your keywords
4. Not building internal links perfectly.
5. Not publishing original and quality article
6. Writing articles only for links
7. Not taking backlinks from Authorized websites.
8. Not optimizing images perfectly.
For these common mistakes, your sites may be penalized by Search Engines.
