A study by Portent, an Internet marketing company, shows that Google’s tolerance of spammy links to trigger a Penguin algorithm ranking drop has declined by 30% since the Penguin algorithm launched.

The study shows that of the 500,000 links found, Google has been steadily reducing its tolerance for webspam. Now, Google is likely to penalize sites with as little as 50 percent suspicious links in their link profiles, whereas 80 percent was required when Penguin first launched.

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Riaan Aggenbag

Owner / Online Marketer / SEO at More Clicks
My passion is guiding companies to online success. My expertise are search engine optimisation, pay per click advertising & social media marketing. How can I help you? Let's talk.