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Google Penguin Update: A Lesson In Cloaking

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There are a number of reasons your site might have been hit by Google’s recent Penguin update (formerly known as the Webspam update). Barring any unintended penalties, the algorithm has wiped out sites engaging in webspam and black hat SEO tactics. In other words, Google has targeted any site that is violating its quality guidelines.

One major thing you need to avoid (or in hindsight, should have avoided) is cloaking, which is basically just showing Google something different than you’re showing users. Google’s Matt Cutts did a nice, big video about cloaking last summer. He calls it the “definitive cloaking video,” so if you have any concern that you may be in the wrong on this, you’d better watch this. It’s nearly 9 minutes long, so he packs in a lot of info.

Cloaking is “definitely high risk,” Cutts says in the video.

With Penguin, there’s been a lot more talk about bad links costing sites. Link schemes are specifically mentioned in Cutts’ announcement of the Penguin update, and Google has been sending webmasters a lot of messages about questionable links recently. That’s definitely something you don’t want to ignore.

But while Google didn’t mention cloaking specifically in the announcement, it did say the update “will decrease rankings for sites that we believe are violating Google’s existing quality guidelines.” Cloaking fits that bill. Google divides its quality guidelines into basic principles and specific guidelines. Cloaking appears in both sections.

“Make pages primarily for users, not for search engines,’ Google says in the Basic Principles section. “Don’t deceive your users or present different content to search engines than you display to users, which is commonly referred to as ‘cloaking.’”

In the Specific Guidelines section, Google says, “Don’t use cloaking or sneaky redirects.” This has its own page in Google’s help center. Specific examples mentioned include: serving a page of HTML text to search engines, while showing a page of images or flash to users, and serving different content to search engines than to users.

“If your site contains elements that aren’t crawlable by search engines (such as rich media files other than Flash, JavaScript, or images), you shouldn’t provide cloaked content to search engines,” Google says in the help center. “Rather, you should consider visitors to your site who are unable to view these elements as well.”

Google suggests using alt text that describes images for users with screen readers or images turned off in their browsers, and providing textual contents of JavaScript in a noscript tag. “Ensure that you provide the same content in both elements (for instance, provide the same text in the JavaScript as in the noscript tag),” Google notes. “Including substantially different content in the alternate element may cause Google to take action on the site.”

Also discussed in this section of Google’s help center are sneaky JavaScript redirects and doorway pages.

Google Penguin Update: A Lesson In Cloaking


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  • http://twitter.com/#!/q3technologies Q3 Technologies

    Its quite evident that instead of changing their algorithm regularly, Google believes in improving the existing algos by making them more rigid and hence, more effective. Google is now targeting spammers and Black hat practitioners.
    Please do your part in letting Google know about such low quality sites so we can have a more cleaner internet.

  • http://fantomaster-seo.com/ Cloaking

    This article reeks of more Google propaganda.

    Anyone involved in cloaking will simply smile with talk of Panda or Penguin updates. Both of these updates have significantly increased traffic for most of our cloaked client campaigns.

    Why? Because our cloaked HTML sites have always stuck to the very basic raw principles of SEO. Nothing fancy, just hard core basic on-page SEO architecture which Google bots love to crawl.

    Thank you Panda and Penguin.

  • http://twitter.com/#!/rapidsofttech Rapidsoft Technologies

    Actually this Penguin update is a wake up call for spammers and all the black-hat practitioners. Google is now committed to provide a brief, to the point and all relevant answer to any search. This is the time when we have to go with ethical SEO and need to do work according to Google guidelines.

  • http://www.doonwebtech.com doonweb technologies

    really thanks for this post.

  • http://helpful-tips-for-seo.blogspot.com/ Cloaking Issue

    Cloaking is a big issue for any website and it’s dangerous for ranking because Google count two different site instead of one. So thanks for sharing this article it’s very helpful tome.

  • http://whatswithjeff.com Jeff

    How about link cloacking (for affiliate links), is it safe for Penguin?

  • http://www.thinkcoffeelovers.com dinesh sharma

    Useful Information Here !

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