
We compare six CMS platforms on tenant isolation, per-site cost and ops overhead to find the best fit for agencies running many client sites.

Learn how to choose the best CMS for managing multiple client websites by comparing single-tenant, SaaS, and native multi-tenant architectures based on scalability, isolation, deployment, and long-term cost. Discover which approach works best for agencies as their client portfolio grows, what features actually matter at scale, and why multi-tenancy can dramatically reduce operational overhead while improving profitability.