Don't make the Proof it, Publish it, forget about it mistake that some websites do.  Have a process for the website, and keep things fresh.

Check links to external sites, revise any dated material, correct any typos.
Add new content for changes that reflect your business
Search engine refinements and SEO
Site analytics, email reports and analysis
Support email accounts for the website
Backup of the website and database for same

ALL the above available from vDomainHosting with our Joomla site Maintenance agreement, ask today how to budget for this essential component.