Free online web development checkers
Wednesday, 3. June 2009, 01:13:01
Inspired by a forum post I came across the other day I've compiled a list of free online checkers/validators for web developers. Please let me know if you're aware of others. (Updated 9th December 2009)(X)HTML
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http://validator.w3.org/ - The daddy of validators and your first port of call
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http://validator.nu/ - Maybe your second port of call. Slightly more experimental validator
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http://www.htmlhelp.com/tools/validator/ - WDG markup validator with batch capability
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http://gsnedders.html5.org/outliner/ - HTML5 outliner (sections, headings, etc.)
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http://james.html5.org/tables/table_inspector.html - Table inspector for tabular data (not layout)
XML/FEEDS
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http://validator.w3.org/feed/ - W3C RSS/Atom Feed validator
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http://www.w3.org/RDF/Validator/ - W3C RDF/XML Validator
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http://schneegans.de/sv/ - XML schema validator also good for XHTML
CSS
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http://jigsaw.w3.org/css-validator - W3C CSS validator
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http://htmlhelp.com/tools/csscheck - WDG CSS validator
MOBILE
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http://validator.w3.org/mobile - W3C mobile checker
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http://ready.mobi - Provides a score on mobile suitability
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http://iphonetester.com/ - An iPhone/iPod Touch emulator
ACCESSIBILITY
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http://www.accessify.com/tools-and-wizards/accessibility-tools/favelets/quick-page-test - Bookmarklet highlighting a page's inaccessible elements
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http://www.cynthiasays.com - Use for guidance on Section 508 and WCAG compliance
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http://wave.webaim.org - Web accessibility evaluation tool
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http://www.checkmycolours.com/ - Check foreground and background colours for sufficient contrast
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http://achecker.ca/checker/ - Web accessibility checker (URL or file upload)
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http://soap.stanford.edu/accessibilitychecker/ - Another web accessibility checker (URL or file upload)
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http://www.webaim.org/resources/contrastchecker/ - Handy colour contrast checker
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http://fae.cita.illinois.edu/ - Functional accessibility evaluator
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http://juicystudio.com/services/image.php - Image analyser to check for accessibility issues
LINKS
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http://validator.w3.org/checklink - W3C link checker
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http://www.htmlhelp.com/tools/valet - WDG link checker
MICROFORMATS
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http://microformatique.com/optimus/ - Microformats transformer
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http://hcard.geekhood.net/ - hCard microformat validator
OTHER
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http://browsershots.org - Check a page's appearance in multiple browsers
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http://www.prchecker.info/check_page_rank.php - Check your Google page rank
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http://web-sniffer.net - HTTP request & response header viewer
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http://www.yellowpipe.com/yis/tools/lynx/lynx_viewer.php - View sites as text only
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http://www.jslint.com - Eye-opening JavaScript syntax checker
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http://www.w3.org/2008/03/basificator.html - Convert (X)HTML to XHTML Basic 1.0 or 1.1 for mobile use













diemtincom # 8. September 2009, 19:58
Kai Hendry # 14. October 2009, 11:04
Daniel Davis # 15. October 2009, 09:12