Cloaking
Cloaking is a black-hat SEO technique where the content or URL presented to search engine crawlers is different from what is shown to human visitors. For example, a page might show Googlebot a keyword-rich, optimized version of the content while displaying a completely different page — often laden with ads or spam — to actual users. This deliberately deceives search engines about the true nature of the page.
Cloaking is one of the most severe violations of Google's guidelines and almost always results in a manual penalty and complete removal from the search index when discovered. It is distinct from legitimate techniques like IP delivery or user-agent detection for accessibility purposes, where the intent is to improve user experience rather than deceive crawlers.
Why it matters for SEO
Cloaking is considered one of the most egregious black-hat tactics and carries the harshest penalties in SEO, including complete deindexation. Understanding it is important for identifying whether a compromised site is serving malicious content to bots and for conducting thorough technical audits.
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