The only way to know if you’re violating Google algorithmic rules is to stay up-to-date on the changes. Moz’z algorithm change log gives you an up-to-minute reporting on every algorithm change.
How-To Guides
How to Check Your Site’s Anchor Text Distribution?
Anchor text is one of the most important webspam signal that initiate the Google Penguin filter. And the sites that overuse the anchor text are more likely to suffer from Google Penguin. Therefore mixing of anchor text is very important while creating links to your site.
How To Set a Geographic Location of Your Site in Google Webmaster Tools
Providing a particular geographic location help Google determine how your site appears in search results. So, if your site has a generic top-level domain, such as .com or .org, or any of the domains listed below and if your target audience is in a particular geographic location, then you can set target location in Google Webmaster Tools to provide information that will help Google to show your site in geographic location based search queries.
4 Simple Ways to Check Your Site Relevancy
Google want to do their job as best as possible by referring users to sites and content that is the most relevant to what they are looking for by constantly evolving its search index.