Here’s a recent article giving small business owners tips on why they need to watch out for less ethical SEO marketing techniques used by some companies – “Avoiding Bad SEO Companies” –
Top Five Deceptive SEO Practices
1. Putting too many keywords on your web site.
2. Overuse of bolded text or too many links.
3. Hidden links.
4. Complicated link schemes.
5. Multiple domains or subdomains with essentially the same content.
SEO copywriting authority Heather Lloyd-Martin points out that while some of these methods may have worked in the past, the rules have changed, and those who have not adapted accordingly, pay the price in either downgrades of their search ratings or worse yet, getting banned altogether by Google from page results!