Google Webmaster Central blog posted a article named Backlinks and reconsideration requests. Here are some common questions they answered
- When should I file a reconsideration request?
- Should I file a reconsideration request if I think my site is affected by an algorithmic change?
- How can I assess the quality of a site’s backlinks?
- How do I clean a bad backlink profile?
- How much information do I need to provide?
- How long does it take to process reconsideration requests?
- What are the possible outcomes of a reconsideration request?
- Where can I get more guidance?
