Test and Validate Html Pages

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Test Your Browser

• WWW Viewer Test Page (http://www-dsed.llnl.gov/documents/WWWtest.html)

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Validate Your Html Pages

• All in One:  <Suite of HTML Validation Suites> (http://www.ccs.org/validate/)
• Dr. Watson (http://addy.com/watson/watson.cgi)- Dr. Watson is a program that will analyze a web page and point out any problems he sees. You can tell him to go easy or be very picky. And he understands the special extensions invented by Netscape and Microsoft. He can also check your spelling and verify that your links to images or other pages actually work.
• A Kinder, Gentler Validator (http://ugweb.cs.ualberta.ca/~gerald/validate/)This is similar to the WebTechs validator (listed below), but the errors returned are slightly easier to understand, and the problematic HTML markup is displayed along with the errors. This service also provides an interface to "Weblint", a popular HTML style checker (which is also listed below.)
• WebTech Html Validation Service (http://www.webtechs.com/html-val-svc/)An interactive HTML validator, provided by the nice folks at WebTechs (http://www.webtechs.com/). This link provides a form where you can enter URLs of documents you want checked, and another one in which you can type HTML to see if it is valid. There are mirrors of this service in Australia (http://cq-pan.cqu.edu.au/validate/) and the United Kingdom. (http://www.hensa.ac.uk/html-val-svc/)
• Weblint Home Page (http://www.khoros.unm.edu/staff/neilb/weblint.html) Neil Bowers' excellent syntax and style checker for HTML documents: a Perl script which you can download and install on your system. Weblint looks for some common HTML problems, specifically targeted to finding things which are known to confound existing Web browsers.
• WWWeblint (http://www.unipress.com/cgi-bin/WWWeblint)- Weblint program checks your HTML code for you.
• VILSPA HTML Validation Service (http://www.vilspa.esa.es/div/help/validation-form.html)
• HTML Check Toolkit (http://www.webtechs.com/html-tk/)This link allows you to configure and download a package containing the parser behind the WebTechs Validation Service to be installed on your system, allowing you to check your documents without having to use the online Web version.
• htmlchek: a HTML syntax and cross-reference checker (http://uts.cc.utexas.edu/~churchh/htmlchek.html)Henry Churchyard's awk or perl scripts, which check syntax, do local cross-reference checking, translate dangerous 8-bit characters to their HTML entities, generate tables of contents, and more.
• Test Drive Doctor HTML For Free (http://drhtml.imagiware.com/authentication/testdrive.html)
• Doctor HTML (http://www.imagiware.com/RxHTML/) - Nifty service that checks many aspects of your Web page and entire Web site automatically, including spelling, bad links, document/table/form structure, graphics analysis (outputs WIDTH HEIGHT and color depth) and command syntax checking. By Thomas Tongue.
• htmlchek (http://uts.cc.utexas.edu/~churchh/htmlchek.html) - Syntactically checks HTML 2.0 or 3.0 files for errors; can do local link cross-reference checking, and generate a rudimentary reference-dependency map
• Infolink - (http://www.biggbyte.com/)Shareware Windows link checker. Can check entire sites and for moved URLs.
• Linkbot (http://www.tetranetsoftware.com/) - Link verification robot checks sites for bad internal and external links automatically. Sort pages by modification date, create a site map, check for missing titles, and more.
• LinkScan (http://www.elsop.com) - Server-side commercial perl program that checks links and creates site maps.
• Missinglink (http://www.rsol.com/)- (http://www.rsol.com/)Shareware link checker written in Perl and designed to run on Unix servers.
• MOMspider (http://www.ics.uci.edu/WebSoft/MOMspider/)- A web-roaming robot that can automatically check for bad URLs and build indexes of web sites.
• Net Mechanic (http://www.netmechanic.com) - Free service (200 pages 500 links) that checks links, validates HTML, and checks server performance.
• SiteCheck (http://www.pacific-coast.com/)- A Mac application that verifies all the links in your site with one click. Works from your Mac to any remote site, has recursive search and follow cgi-bin script options.
• Why Validate Your HTML (http://www.earth.com/bad-style/why-validate.html)- "...if you want your company information to look good using the new browsers that are coming out and you want to be able to use all the new tools that are being made available then it is important to stick to the specs. From Earth.com (http://www.earth.com/)
• WWWLint (http://www.unipress.com/cgi-bin/WWWeblint)- (http://www.unipress.com/cgi-bin/WWWeblint)Interactive version of the Weblint Perl scipt by Clay Webster, one of c|net's webmasters.
• Checkbot (http://dutifp.twi.tudelft.nl:8000/checkbot/) - Checkbot is a tool to verify links on a set of html pages. Checkbot can check a set of documents on a single server, or on a set of servers (e.g. all servers within a domain).