HTML and CSS Reference
In-Depth Information
Pass the URL to the service yourself by using this link in the address bar:
By reading the validator's messages about the errors it detected, you can find and
correct the various mistakes. After all mistakes are corrected, the document should validate
Web developers should aim to start with a baseline of valid markup before trying to
address various browser quirks and bugs. Given that so many Web pages on the Web are
poorly coded, some developers opt to add a “quality” badge to a page to show or even
prove standards conformance:
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