Netvibes. Site Building Guide. Configuring cron jobs. Setting up cron is an important step in the installation of the website and assists in the maintenance of the site's assets for search results, checking for updates to Drupal core and modules, and removing temporary files.
A properly configured cron job can manage a variety of tasks: the Search module that indexes the website's contentthe Aggregator module's that retrieves feedsthe Ping module that notifies other sites of updatesthe System module that performs routine maintenance tasks, such as pruning of logs.