They're out there ... somewhere. At least one Romulan Bird of Prey lurked in the black void of the sector -- silent, deadly, invisible. Somewhere, the Romulan commander -- his pointed ears and dedication to logic, so charming in a single science officer, malevolent and evil. Blast their sinister cloaking device! Why wouldn't the cowards dress in bright red tunics and present themselves in decent rank and file?
NEWS FLASH! --
There is no "cloaking device." It's fiction. A story made up for entertainment. The same applies to Google's use of "cloaking." A made-up term to describe a grab-bag of perfectly valid practices that googlebot doesn't want to deal with. Let's look at one of these "cloaking" technologies: redirection.
Redirection is part of the HTTP protocol specification, and the http header sent with any web page supports it. It's a very useful function (which is why it was included in the first place) Redirection is NOT some evil plot to thwart googlebot!
So who uses this "sneaky redirection?" Uhmm, Google? Google uses a distributed database for their search spread over dozens of "data-centers" and they're deploying hundreds more. Whenever you access "www.google.com" Google's internal DNS server sends you to one of these data-centers. You don't know which one, or how up-to-date it is, and the redirection never shows on your browser's address line. Is that "sneaky?"
We'll cover DNS in more detail later, but here's a little tease:
What's at: http://wholeed.webhop.biz/amazon/ ?
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