Ok someohow I have found the cure,
Page reach down 90%, it means your domain name has been flagged by facebook, because maybe too many people reported already. So first, try to post someone else's websites that has not been flagged, and see if the reach back to normal. If it is, then you know what you have to do, change a domain name and make a new website, your old websites has been flagged.
Page reach down 90%, it means your domain name has been flagged by facebook, because maybe too many people reported already. So first, try to post someone else's websites that has not been flagged, and see if the reach back to normal. If it is, then you know what you have to do, change a domain name and make a new website, your old websites has been flagged.