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  1. 10 Website Quality Indicators That Can Sink Your SEO Battleship

    This penalty might be an algorithmic filter at the keyword or page level, but more likely the penalty you receive will be manual and these are often the hardest from which to recover. Use a good spam scrubbing software to flag bad comments, limit...

  2. Facebook Ads 80% Bot Claim, Examined! Why You Shouldn’t Lose Faith Just Yet

    Facebook has systems in place that attempt to detect and filter certain click activity, including repetitive clicks from a single user, clicks that appear to be from an automated program or bot, or clicks that are otherwise abusive, their...

  3. World IPv6 Launch: What it Means for Content Owners & SEO

    This address isn’t accessible outside of China due to a ISP network filter (not government related), which is in the process of being removed. However, much of the maturation that has occurred in the areas of spam and bot prevention is highly...

  4. March (Link) Madness: Breaking Free of Link-sanity

    I’ve written before about some of the absurd link spam I’ve seen and the ridiculous comments that have gotten caught in my blog spam filter. Link spam isn't working. To spend a single dime of your precious marketing budget on a service that tries...

  5. Judge Orders ALL Search Engines, Social Networks to De-index Seized Websites

    For example, an email spam filter is a form of private "censorship," as is the SERP positioning for any given query. But he doesn't deny that something needs to be done: "If we need spam filters to protect us from malicious email attacks, then we...