Matt Cutts and JohnMu have finally spoken up about why and how Google blocks ranking checking tools.

Sahala Swenson of the Google Webmaster Tools team speaks about the ways through which Webmasters can refine the appearance of the '404' code for the website visitors. There are three primary reasons for the occurrence of such a code. These are:

1. A mistyped URL, or a copy-and-paste mistake.
2. Broken or truncated links on web pages or in an email message.
3. Moved or deleted content.

An examination of how to avoid SEO scams and how to choose a reputable SEO Firm, by focusing on the four red flags to watch for when discussing hiring an Internet Marketing firm.