There's been a lot of discussion about the latest google core updates, with many trying to figure out what changed.
but it looks to me like they may have rolled it back whatever it was (for many at least)
See some examples here:
http://volatilitynow.com/tools/out.php?d=viking-direct.co.uk&s=222
http://volatilitynow.com/tools/out.php?d=cashconverters.co.uk&s=222
http://volatilitynow.com/tools/out.php?d=bdo.co.uk&s=222
but it looks to me like they may have rolled it back whatever it was (for many at least)
See some examples here:
http://volatilitynow.com/tools/out.php?d=viking-direct.co.uk&s=222
http://volatilitynow.com/tools/out.php?d=cashconverters.co.uk&s=222
http://volatilitynow.com/tools/out.php?d=bdo.co.uk&s=222