Nothing on a website is permanent, and the sites that win locally are the ones that act like it. New photos, current prices, and a note about this month's service all tell customers the business is awake.
Fresh content also feeds search: pages that get updated get crawled more, and pages that get crawled more stay accurate in results.
If editing the site yourself is a chore, that is what Beacon Portal and the care plan are for. Either way, updating should take minutes, not a project.
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Why websites break What website care covers Website security basics More about Edits & care