That would be hard to determine since the Google update affected all websites that practised keyword spamming and other over-optimisation methods.
My guess would be the popular niches with a lot of competition, like the making money online and computer/electronics niches.
Tag Archive | "keyword spamming"
What Niche Was The Most Hit By The Recent Google Penguin Update?
Posted on 10 May 2012.
Posted in Affiliate Marketing 101Comments (0)