The system everyone can work with. Provided it is set up properly and kept up to date.

With lots of content and multiple editors, it is hard to beat: everyone knows the environment, permissions can be set per person, and there is a solution available for almost everything.
Most slow and hacked WordPress sites share the same pattern: dozens of plug-ins, half of which haven't been updated in years. Every plug-in is third-party code with access to your site. We keep the number as low as possible.
A WordPress site that hasn't been updated for a year is a problem waiting to happen. Updates, backups and monitoring are part of the system — if you don't schedule them, you pay for it later in repair costs.
A question or project on this topic?