YouTipWeb Validate
# Web Page Validation
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## Web Page Validator
A validator is a software program that checks whether a web page conforms to standards.
When using a validator to check HTML, XHTML, or CSS files, it returns an error list based on the standard you select.
Always ensure all your web pages are validated against W3C standards before publishing.
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## Validate HTML Files via W3C:
Enter the URL of the web page you want to validate in the text box below:
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## Validate CSS Files via W3C:
Enter the URL of the CSS file you want to validate in the text box below:
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## Validate XHTML Files via W3C:
XHTML documents are validated according to their Document Type Declaration (DTD).
You can learn more about (#) in our HTML tutorial.
Enter the URL of the web page you want to validate in the text box below:
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## Validate XML Syntax
To validate XML syntax, please visit our validation page: [