North American internet marketing company Portent has put out a study confirming what many in the industry have long suspected: that the periodic tweaks to Penguin algorithm updates have gradually been getting stricter. Portent suggests that back when Penguin first launched, it was only being applied to sites with link profiles that were around 80% “manipulative”. The concept proved, this value was adjusted down to 65%, and since October it has been 50%.
The worst offenders were caught out first and served as a warning that Google were unhappy with manipulative link tactics, and that further repercussions would follow for those who refused to take action. Portent poses the question of where the ‘floor’ is, but the imperative to cleanse over-optimised profiles has been obvious for some time.
Click here to read more.