The Challenge: Modernizing Without Breaking Millions of URLs
At MonoVM, we serve hundreds of thousands of monthly visitors across dozens of services — VPS hosting, dedicated servers, domain registration, and more. Over time, our site grew into a complex ecosystem built on PHP and cPanel, with thousands of indexed URLs and deep interlinks accumulated since 2012.
When we decided to move to a Next.js frontend powered by Kubernetes, we faced a major dilemma:
How do we modernize our website without losing SEO equity, breaking existing routes, or interrupting customer access to critical tools and legacy pages?
We needed a solution that would let us migrate gradually, testing and deploying new sections of the site in isolation — without a “big bang” cutover.
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