Automation Articles
If It Can Be Automated, You Shouldn't Be Doing It
If it can be automated, you shouldn't be doing it.
For link checking, I found Integrity from http://peacockmedia.co.uk/ (for Max OSX) to be better than Xenu from http://home.snafu.de/tilman/ (for Windows). Not that you have a choice, unless you use both operating systems.
When you need to log certain activity on a web page, consider using JavaScript. A JavaScript call with parameters to a CGI Perl or PHP script can log the parameter information.
Making a Redirect 301 Directive
Move a web page and links break. Spiders can't find the page anymore. You give a 404 to everybody who tries to load the missing page. Fix it with a Redirect 301 directive in the .htaccess file. Redirect traffic to the new location.