If you have some affiliate links and are concerned about their presence then you can setup <a class="zem_slink freebase/guid/9202a8c04000641f80000000045c9c5b" title="Cron" rel="wikipedia" href="http://en.wikipedia.org/wiki/Cron">cron to check the links for you regularly. For this you need a very simple script (as below) and a cron entry (example further down).

#!/bin/bash –
#===============================================================================

#          FILE:  checklinks.sh

#         USAGE:  ./checklinks.sh

#   DESCRIPTION:  Check if the links exists on affiliate sites

#       OPTIONS:  —
#  REQUIREMENTS:  —
#          BUGS:  —
#         NOTES:  —
#        AUTHOR:  <a class="zem_slink" title="Amit Agarwal" rel="homepage" href="http://amit-agarwal.co.in">Amit Agarwal (AKA), amit.agarwal@amit-agarwal.co.in
#       COMPANY:  Individual
#       VERSION:  1.0
#       CREATED:  04/07/2010 08:19:29 AM IST
#      REVISION:  —
#===============================================================================

websites=&#8221;space seperated <a class="zem_slink freebase/en/website" title="Website" rel="wikipedia" href="http://en.wikipedia.org/wiki/Website">website address like http://amit-agarwal.co.in http://blog.amit-agarwal.co.in&#8221;
echo &#8221;Checking the sites for Links&#8221;
echo $websites|tr &#8217; &#8217; &#8217;\n&#8217;
echo
echo
for i in $websites
do
curl -s $i |grep amit-agarwal.co.in > <a class="zem_slink freebase/en/dev_null" title="/dev/null" rel="wikipedia" href="http://en.wikipedia.org/wiki//dev/null">/dev/null
if [ $? != 0 ]
then
echo &#8221;Link not found on $i&#8221;
fi
done

Then make a crontab entry like this:

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