10 Things that Hurt your SEO

1. Too much html and not enough content.

2. Duplicate content copied from another site.

3. Having hundreds of outbound links on your site.

4. Having too much content about things that are unrelated to your keywords.

5. Spamming your whole page with keywords.

6. Content that is machine generated and doesn't make sense.

7. Putting keywords on your meta-tag but not your page.

8. Having hidden text.

9. Trying to cloak your website.

10. Too much confusing dynamic content that can confuse the search engine spider.