1.The removal of any unnatural links over which you have control, including links you’ve built yourself or have caused to be placed on 3rd party websites
2.The disavowal of spammy links that you can’t control
3.The revision of your website’s content to remedy over-optimization, ensuring that keywords have been implemented naturally instead of robotically, repetitively or nonsensically on pages where this is no relationship between the topic and the keywords being used