some time do over work will dramatically drop down the site rank what is that??

[omthavertch]

some time do over work will dramatically drop down the site rank what is that?? actually i work since the last three month to rank the site and only doing the ethical work but not any un ethical but still my site some time get down i don't know why there is any reason such over work and all

 

[walkerking89]

Hello @omthavertch,
This should also happen with me. My website rank is on top at 5-6 keywords and after 3-4 months my all keywords rank goes down. Unable to understand what is reason behind.