this is what we must avoid when we have a penalty.
The best advice that can be given is to not be in the crosshairs of a Google Panda attack, because if you are affected by this algorithm, it is very difficult for you to escape this penalty.
I have read cases of people who have had 100% of the content removed and have not been able to recover after installing a new one.
In principle, I understand that this is because the penalty spain phone number list has been manual and not algorithmic.
Take great care with the content so that it is valuable and, above all, do not use third-party content under any circumstances, much less without their consent.
Make sure that the content your writers create is not copied text in any way.
Personally, I think the DMCA may have had something to do with some of these cases .