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HTML Validators and Checkers
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Understanding HTML Validation
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Most people have encountered at least one or two truly "bratty"
Web pages in their Websurfing careers -- misbehaving pages that
cause browser errors ranging from an abrupt termination to a
complete system lockup. Almost invariably, these ill-behaved pages
contain embedded HTML errors, or else they make extensive use of
non-standard, browser-specific, quasi-HTML syntax.
Regular and consistent use of HTML validators helps to identify and
eliminate the embedded HTML errors that make for a bratty Web page.
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W3C HTML Validation Service
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This is an easy-to-use HTML validation service based on an SGML parser.
It checks HTML documents for compliance with W3C HTML Recommendations
and other HTML standards.
We use it for validating WDVL documents, via the "W3C HTML 4.0"
button at the bottom of the page.
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HTML Validators Leave Sites Safe Instead of Sorry About Coding Errors
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An article on the
Web Week site.
"Overlooking the messy mosh pit that constitutes the Web is a security
guard that many designers have come to rely on--HTML validators.
Some validators are set up to run off of designers' own machines for
checking questionable code off-line. Others are online services that let
users enter URLs in a form for code checking on the fly. Most offer
several validation levels, from strict HTML 2.0 compliance to acceptance
of vendors' proprietary tags. "
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See also:
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