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Saturday, April 9, 2011

HTML Validators & Link Checking Tools

Link Checking Tools
LinkTiger

Hosted link checker; free and $pro versions. Capabilities include e-mail alerts, dashboard, reporting; canned reports or create rich custom reports. Scans PDF, CSS, Flash and MS Office files, flash-animation.

Link validation tool; available as part of the AccVerify Product Line from HiSoftware Inc.

Link checking and repair tool from Expandable Language. Identifies orphan files and broken links when browsing files; employs a simple, familiar interface for managing files; previews files when fixing broken links and before orphan removal; updates links to moved and renamed files; fixes broken links with an easy, 3-click process; provides multiple-level undo/redo for all operations; replaces links but does not reformat or restructure HTML code. For Windows.

Link check tool from KyoSoft; can also produce a graphical site map of entire web site. Handles HTTP, HTTPS, and FTP protocols; several report formats available. For Windows platforms.

Link checker from REL Software checks links for accuracy and availability, finds broken links or paths and links with syntactic errors. Export to text, HTML, CSV, RTF, Excel. Freeware 'REL Link Checker Lite' version available for small sites. For Windows.

Low-cost on-the-web link-checking service from Blossom Software.

Freeware link checker by Tilman Hausherr; supports SSL websites; partial testing of ftp and gopher sites; detects and reports redirected URL; Site Map; for Windows.

Low cost on-the-web link checker from Link Alarm Inc.; free trial period available. Automatically-scheduled reporting by e-mail.

Link check tool from Viable Software Alternatives; evaluation version available. For Windows.

Link checker program from BiggByte Software; can be automatically scheduled; includes FTP link checking; multiple page list and site list capabilities; customizable reports; changed-link checking; results can be exported to database. For Windows. Discontinued, but old versions still available as freeware.

Electronic Software Publishing Co.'s link checker/site mapping tool; capabilities include automated retesting of problem links, randomized order checking; can check for bad links due to specified problems such as server-not-found, unauthorized-access, doc-not-found, relocations, timeouts. Includes capabilities for central management of large multiple intranet/internet sites. Results stored in database, allowing for customizable queries and reports. Validates hyperlinks for all major 
protocols; HTML syntax error checking. For all UNIX flavors, Windows, Mac.

Shareware link checker by Aman Software; capabilities include specified URL exclusions, ID/Password entries, test resumption at interruption point, page size analysis, 'what's new' reporting. For Windows.

HTML Validators
Java-based desktop tool validates HTML / XHTML / WCAG / Section 508 / Links / Spelling; free and pro versions. HTML validation against the W3C Specifications; accessibility validation against the WCAG (1.0 and 2.0) and US Section 508 standard; checks each page for broken links; spell checks (English, French, Italian, Spanish, German), 1-click validation using the Firefox/SeaMonkey extension, choice of browser identification to use when checking websites. Works on a wide varity of operating systems.

Shareware HTML validator based on SGML parser by Liam Quinn. Unicode-enabled, supports documents in virtually any language; supports XHTML 1.0, HTML 4.01, HTML 4.0, HTML 3.2, HTML 3.0, and HTML 2.0 ; extensible - add proprietary HTML DTDs or change the existing ones; fetches external DTDs by HTTP and caches them for faster validation; HTML 3.2 and HTML 4.0 references included as HTML Help. For Windows.

Firefox add-on, open source by Marc Gueury. The validation is done on your local machine inside Firefox and Mozilla. Error count of an HTML page is seen as an icon in the status bar when browsing. Can validate the HTML sent by the server or the HTML in the memory (after Ajax execution). Error details available when viewing the HTML source of the page. Based on Tidy and OpenSP (SGML Parser). Available in 17 languages and for Windows and other platforms.

HTML syntax checker for Windows from AI Internet Solutions. Supports wide variety of standards; accessibility (508) checking; uppercase/lowercase converter. Free 'lite' version. For Windows.
(Note: Many of the products listed in the Web Site Management Tools section include HTML validation capabilities.)

Free On-the-Web HTML Validators and Link Checkers
Type in one URL and automatically run HTML and stylesheet validators, accessibility assessment, link check, load time check, and more. Organizes access to a collection of free online web test tools. Site of UITest.com/Jens Meiert. Also lists a wide variety of free online web analysis/development/test tools.

Free web content accessibility/508 validation tool; checks one page at a time. Designed to identify errors in content related to Section 508 standards and/or the WCAG guidelines. The HiSoftware CynthiaSays portal is a joint Education and Outreach project of HiSoftware, ICDRI, and the Internet Society Disability and Special Needs Chapter.

Online link checker, includes capability for hilighting links modified since a specified date.

Web Design Group's validator - latest HTML version support, flexible input methods, user-friendly error messages.

Free on-the-web HTML checker by DJ Delorie allows viewing a page 'purified' to HTML 2.0, HTML 3.2, HTML 4.0, or WebTV 1.1. standards.

HTML validation site run by the WWW Consortium (the folks who set web standards); handles one URL at a time; Can choose from among 30 character encoding types, and multiple HTML and XHTML document types/versions.

CSS validation site run by the WWW Consortium (the folks who set web standards); handles one URI at a time; or upload file or validate by direct input.

Link checking service run by the WWW Consortium (the folks who set web standards); configurable. Handles one URL at a time. PERL source also available for download.

Site with online HTML validator; somewhat configurable. Site provided by San Francisco State University.

On-the-web HTML checker by DJ Delorie; will serve a web page to you with various selectable tags switched on or off; very large selection of browser types; to check how various browsers or versions might see a page.

PERL and C Programs for Validating and Checking
Link checker PERL source code, via the WWW Consortium (the folks who set web standards); configurable. Handles one URL at a time. See 'Download' link.

Free utility available from SourceForget.net; originally by Dave Raggett. For automatic fixing of HTML errors, formatting disorganized editing, and finding problem HTML areas. Available as source code or binaries.

Freeware command-line link checker for Unix, Windows, by Francois Pottier. Available as source code; binary avaialable for Linux.

Open source Perl program checks local/remote HTML links. Includes cross referenced and hyperlinked output reports, ability to check password-protected areas, support for all standard server-side image maps, reports of orphan files and files with mismatching case, reports URLs changed since last checked, support of proxy servers for remote URL checking. Distributed under Gnu General Public License. Has not been updated in recent years.

Multi-Owner Maintenance Spider; link checker. PERL script for a web spider for web site maintenance; for UNIX and PERL. Utilizes the HTTP 'HEAD' request instead of the 'GET' request so that it does not require retreival of the entire html page. This site contains an interesting discussion on the use of META tags. Not updated in recent years.

Old but still useful HTML 2.0 or 3.0 validator programs for AWK or PERL by H. Churchyard; site has much documentation and related info. Not updated in recent years.
Posted by Darpan C Shah (DC) at 10:55 PM
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