I wouldn't know my credit score from the baseball score, so I read this article, 9 Tips You Must Know to Improve Your Credit Score. It's really not tips, it explains exactly what a credit score is, and how it gets messed up, and how to fix it.  It's easy and quick to read, and practical. For example:  "Creditors like to see evidence of stability in your file. If any of the items listed below are missing, send a letter to the credit reporting agencies requesting that the information be added. Include any documentation that verifies the information you're providing."  The items below include date of birth, current address, etc.