This really depends on the foot traffic within your home. You should sweep and vacuum regularly to remove grit. Mopping should be done no more than 2 times per week. It’s important that you use the recommended cleaning instructions advised by your contractor.
Solid hardwood floors are made from solid wood and are site finished. Engineered flooring is made from a single piece of hardwood or plywood with a layer of hardwood veneer affixed to the top surface and is usually pre-finished.