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One of the attributes of the Internet — the fact that nearly anyone can publish on it — creates an environment of freedom and simultaneously an environment that lacks quality control." Criteria for Evaluation of Internet Resources "This is a "toolbox" of criteria that enable Internet information sources to be evaluated for use in libraries, e.g.for inclusion in resource guides, and helping users evaluate information found."Evaluating Information of the Internet "When information is filtered -- reviewed, authenticated, and evaluated -- end users come to trust the source and accept an expert's assessment that it is valid and authoritative.HTML5 introduced new mechanisms for forms: it added new semantic types for the element is used to create interactive controls for web-based forms in order to accept data from the user." to ease the work of checking the form content on the client side.Basic, usual constraints can be checked, without the need for Java Script, by setting new attributes; more complex constraints can be tested using the Constraint Validation API. Even though far fewer invalid form requests are to be expected, invalid ones can still be sent by non-compliant browsers (for instance, browsers without HTML5 and without Java Script) or by bad guys trying to trick your web application.
Validating the accuracy of web content is a fundamental skill that students (or any web user) should learn before opening a web browser.
A small percentage of experienced web users are aware of these concerns. Many students, for example, lack fundamental skills to critically evaluating, questioning, and authenticating content.
An individual's lack of ability to evaluate accuracy of information is more of a limitation than not having access to information.
The creation of web forms has always been a complex task.
While marking up the form itself is easy, checking whether each field has a valid and coherent value is even more difficult, and informing the user about the problem may become a headache.
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HTML validation does not guarantee that the webpage complies completely or perfectly with the whole HTML 4.01 specification.