Disclosed are various embodiments for inhibiting or preventing automated data extraction from network pages. A form is provided to a client, where the form includes a set of form elements and a randomization. A form submission of the form is obtained from the client, where the form submission includes the randomization. A set of form parameters is obtained from the form submission. The set of form parameters is processed to yield a form result. A network page is generated based at least in part on the form result. The network page is provided to a network page obfuscation application to be obfuscated.