When should I move off WordPress to Webflow / Astro / Next.js?

Three specific signals. The migration cost most teams underestimate.

Signal one: your editorial team is two people who never edit

If marketing ships content once a quarter and dev ships site changes weekly, the WP CMS is the wrong tool. Astro or Next.js with MDX is a better fit. Migration cost: 4 — 8 weeks.

Signal two: you’re spending 30%+ of dev time on WP overhead

Plugin updates, theme conflicts, hosting issues, security patches. If this is a meaningful slice of your team’s calendar, the operational tax has exceeded the editorial benefit. The right answer depends on your editorial team: Webflow for non-technical editors, Next.js + Sanity for technical ones.

Signal three: regulatory load is forcing edge-deployment guarantees

Some regulated industries (finance, healthcare, public sector) require edge-deployment with strict data-residency. WP’s traditional hosting model isn’t a great fit. Headless WP or fully off-WP is the right move.

The cost most teams miss

Editorial parity. The CMS that replaces WordPress has to support every editorial state your existing content depends on. For a five-year-old marketing site, that can mean reproducing 40+ block types, 12 page templates, and the editorial workflow your team has trained on. Budget 30 — 50% of the migration cost for this — most teams budget 10%.