Amazon Technologies, Inc.

John W Gray, Iii

Peter F Hill

Peter Sven Vosshall

David John Ward, Jr

Arun Sundaram

Kurt Kufeld

Dennis Pilarinos

Techniques and solutions are described for detecting potential problems with web pages. For example, a web page can be analyzed (e.g., during loading of the web page) to determine statistics, such as size and structure statistics. The web page can be compared, using the statistics, to a statistical model representing the web page to determine if the web page is consistent with the statistical model. The statistical model can be created from previous page loads of the web page. Problems such as web page spoofing can be detected if the same web page content (e.g., content with a high degree of statistical similarity) is obtained from two different web sites. For example, a web page that is retrieved from one web site that matches a statistical model representing the same web page from another web site can indicate a spoofed web page.

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Redmond, WA, United States of America

John W Gray, Iii