A link-checker checks the validity of all HTML links on a Web site. Most can start at one or more "seed" HTML files, and recursively test all URLs found at that site ("recursively" means when it finds an HTML file, it searches that for links, and so on). This program doesn't follow URLs at other sites, but it does check their existence.
fast local link verification: 76,000 documents containing 1.5 million links were verified in 2 hours on a PII 300 with 512 MB RAM running RedHat Linux 6.2 with all web files mounted via NFS over 100 Mbps Ethernet (the 1.3 million local links took 95 minutes to verify -- 230 links per second)
remote link verification and classification by error type
lists all mailto links' email addresses and frequency of use
provides email alerts for any errors found on user- defined "critical pages"
calculates download sizes for critical pages
scans pages for the presence or absence of red flags, user-defined text strings (defined using powerful Perl regular expressions)
runs CGI programs and validates output
full report of all broken links, including the document in which the link was found and the document to which the link was pointing.
LinkScan? offers exceptional performance and scalability. Electronic Software Publishing Corp. (Elsop) has spent more than five years of intense product development enhancing LinkScan? with many advanced customization features not available elsewhere. These allow webmasters and quality assurance engineers to quickly create completely automated test suites. The combination of speed and automation ensure the highest levels of quality with dramatic cost savings compared to manual and other labor intensive techniques. The time to achieve a return on investment is typically measured in days or weeks. LinkScan? is available and professionally supported on all Microsoft Windows, Unix, Linux and Macintosh OS X platforms.
LinkController is a group of programs designed to take away much of the work of maintaining the links in a web site. Instead of the user running the program checking whether links are broken, LinkController does this automatically. When it finds a broken link it checks it several times across several days before reporting it broken. This means that if a link is repaired in the meantime (a common case), the user will never be bothered.
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