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Top 10 Articles Web Developer's Virtual Library: Encyclopedia of Web Design Tutorials, Articles and Discussions JavaScript Tutorial for Programmers Design JavaScript Tutorial for Programmers - Objects JavaScript Tutorial for Programmers - JavaScript Grammar JavaScript Tutorial for Programmers - Versions of JavaScript Cascading Style Sheets JavaScript Tutorial for Programmers - Embedding JavaScript JavaScript Tutorial for Programmers - Functions Authoring JavaScript

Domain Name Lookup Search to find the availability of a domain name. Just enter the complete domain name with extension (.com, .net, .edu)

Netmechanic	".. free online verification and validation tool that can help you find the broken links in your site. Our Link Check robot will search you Web site, testing, verifying and validating each link. When we're done we'll report all broken links we found and the status of each link we tested.
Lambda LinkCheck	A program that goes through your web pages on your local disk and looks for broken links. Note that it does not download pages from servers and check links in them, it only gathers new links from the pages on your disk. (Links to other servers are checked.) You need a Python interpreter.
WebMaster from Coast Software	".. the only web maintenance software that provides site mapping, site analysis, a file manager and an html editor in one incredibly intuitive user interface. Much more than a simple link checking tool or reporting utility, COAST WebMaster gives you the power to map, analyze and update every detail of your existing site, instantly."
Dr. HTML - Imageware	Free Online lint and link checker - Few pages only.
Dr. Watson	Dr. Watson is a free service to analyze your web page on the Internet. You give it the URL of your page and Watson will get a copy of it directly from the web server. This is better than most other validators, since it validates the HTML as your users see it, not as a series of files on your hard drive. Watson understands the latest HTML 3.2 standards, as well as Netscape and Microsoft extensions up through version 4. Watson can also verify that the links on your page work, as well as spell-checking your text.
Inspector Web	This service checks as many links on a Web site as it can, in the alloted time. If your enter a URL other than the domain's root, such as www.greenpac.com/inspector/, that page, and other pages on the domain that also begin with /inspector/ are checked.
LinkChecker v.1	John Ray - Free Online Service.
URL Checker	UC Santa Cruz - Free On Line Service - Uses Anchor Checker.
Web Check	This service performs HTML lint and standard spelling and URL link checking on any HTML document which is reachable via the WWW. Simply enter the URL of the HTML file which you wish checked and identify the types of checks desired. The Web Checker will obtain and check the document. This type of check helps to ensure that your document is being served properly to the WWW and provides valuable conformance information regarding the document content.
InfoLink Link Checker	Shareware. Broken links don't have to be a problem when you use InfoLink Link Checker. Just enter the local or remote URL of the page you want to check and InfoLink will quickly verify all the popular HTML link types such as web pages, graphics, moved documents, ftp, gopher sites, newsgroups, and email addresses. User friendly yet powerful. Includes an internal browser and editor to make corrections easier. A freeware version is also available.
Linkbot	An award-winning website management suite that has all the tools you need to maintain an error-free website. It doesn't just validate links, it also locates stale content, identifies unused and orphaned files, finds large pages with slow download times, and helps you to visualize the structure and organization of your site. Managers of large sites will appreciate the high performance engine, allowing up to thirty simultaneous connections, and the customizable filters.
CyberSpyder Link Test	Shareware Windows program to check the validity of hyperlinks. CyberSpyder Link Test is a WebMaster's friend as it will check all of the links on a site and report on any that no longer work. When the program is started, one or more key URL`s are entered, CyberSpyder Link Test then works tirelessly until all the links have been tested and prepares a set of reports on any problems found.
MOMspider	MOMspider is a web-roaming robot that specializes in the maintenance of distributed hypertext infostructures (i.e. wide-area webs). The program is written in Perl and, once customized for your site, should work on any UNIX-based system with Perl 4.036.

See also: Style and HTML validators.