What are the common SEO mistakes?

[atulpercept]

Not analysing website properly and keyword stuffings.

[saferinsulation]

1, Length of Title and Meta Description
2, Duplicate content
3, Keyword stuffing
4, Bad URL structure
5, Bad internal link
6, No Image ALT tag

[Arpita]

1. Choosing the Wrong Keywords
2. Using Keyword Stuffing
3. Creating Content That’s Not About Your Keywords
4. Publishing Non-Original Content
5. Skipping Title Tags & Meta Descriptions
6. Missing Quality Links
7. Going Astray with Your Internal Links
8. Not Investing in a Fast and Mobile-Friendly Experience

[riyajindal]

1. Wrong Keywords.
2. Keyword stuffing
3. Bad links
4. Duplicate content
5. Bad url
6. Images without alt