How do I migrate from WordPress to a headless CMS?

Migrating from WordPress to a headless CMS is mostly about separating content management from content delivery.

In a classic WordPress setup, WordPress stores content and renders pages. In a headless setup, the CMS only manages content and exposes it through an API, while your frontend is built separately, often with Next.js, Nuxt, Gatsby, Astro, or a custom app.

1. Define your goal

Before migrating, decide what you want from headless:

• Better performance
• More flexible frontend design
• Omnichannel publishing
• Easier developer workflows
• Improved security

Also decide whether you want:

• a fully headless setup, or
• a hybrid setup where WordPress still renders some pages while other parts are headless.

2. Audit your current WordPress site

Inventory everything you currently use:

• Posts and pages
• Custom post types
• Taxonomies
• Categories and tags
• Media library
• Menus
• SEO metadata
• Forms
• Widgets/blocks
• Shortcodes
• Plugins that affect content or layout
• User roles and workflows

This audit tells you what needs to be recreated in the new CMS and frontend.

3. Choose a headless CMS

Pick one based on your needs:

• Contentful: strong editorial experience, SaaS
• Sanity: flexible content modeling, realtime editing
• Strapi: self-hosted, open source
• Directus: database-first, flexible
• Prismic / Storyblok: marketer-friendly, visual editing
• WordPress as headless CMS: keep WordPress admin, use REST or GraphQL

Consider:

• Content modeling flexibility
• Editorial UI
• API type: REST, GraphQL, both
• Preview support
• Localization
• Asset management
• Pricing and hosting

4. Model your content

Map WordPress content types to CMS structures.

Example:

• WordPress “Posts” → CMS “Articles”
• WordPress “Pages” → CMS “Static Pages”
• Custom post type “Events” → CMS “Event”
• ACF fields → CMS custom fields
• WP categories/tags → CMS taxonomies or references

Also decide how to handle:

• Repeatable components
• Rich text
• SEO fields
• Hero sections
• Related content
• Author profiles

If your WordPress site uses lots of custom layouts, create modular content blocks in the new CMS.

5. Plan the frontend

Build a new frontend app that fetches content from the CMS API.

Typical stack:

• Next.js for React-based sites
• Nuxt for Vue-based sites
• Astro for content-heavy sites
• SvelteKit if you prefer Svelte

You’ll need to implement:

• Routing
• Dynamic page rendering
• Data fetching
• SEO metadata
• Image optimization
• Preview mode
• Revalidation or caching
• Form handling

6. Migrate the content

Export content from WordPress and import it into the new CMS.

Common approaches:

• WordPress export tools
• WP REST API
• WPGraphQL
• Custom migration scripts
• CSV/JSON import depending on CMS

Be sure to migrate:

• Titles
• Slugs
• Bodies
• Excerpts
• Featured images
• Custom fields
• Categories/tags
• Author info
• Publish dates
• SEO metadata
• Redirect mappings

Test the import on a staging environment first.

7. Rebuild templates and functionality

Anything that used to be handled by WordPress themes or plugins must be recreated:

• Page templates
• Blog listing pages
• Single post pages
• Search
• Navigation menus
• Forms
• Comments, if needed
• Related posts
• Breadcrumbs
• Social sharing
• Integrations like analytics, CRM, newsletters

Not every plugin has a direct equivalent, so decide whether to replace, simplify, or remove features.

8. Handle SEO carefully

SEO migration is one of the most important parts.

Make sure to:

• Keep existing URLs if possible
• Set up 301 redirects for changed URLs
• Preserve metadata: title, description, OG tags, canonical URLs
• Migrate structured data where relevant
• Generate XML sitemaps
• Ensure fast page load and mobile friendliness
• Check robots.txt and indexing rules

If URLs change, create a redirect map from old WordPress URLs to new frontend routes.

9. Set up previews and editorial workflow

Editors usually need to preview content before publishing.

Implement:

• Draft previews
• Scheduled publishing if supported
• Approval workflows
• Role permissions
• Preview URLs from the CMS to the frontend

This is often one of the trickiest parts of headless migration.

10. Test everything thoroughly

Before going live, test:

• Content accuracy
• Link integrity
• Redirects
• Mobile responsiveness
• Performance
• SEO tags
• Forms and integrations
• API error handling
• Preview flows
• Accessibility

Use a staging environment that mirrors production.

11. Launch in phases

A phased rollout is safer than a big bang:

• Migrate a small section first, like the blog
• Validate content and design
• Then migrate pages, landing pages, and special content types
• Finally switch the main domain

You can also run WordPress and the new frontend in parallel during transition.

12. Decommission WordPress carefully

After launch:

• Keep WordPress available for a while if needed
• Monitor analytics, crawl errors, and redirects
• Back up the old site
• Retire plugins/themes you no longer use
• Document the new workflow for editors and developers

Common pitfalls

• Underestimating content modeling
• Forgetting SEO redirects
• Losing media links or image metadata
• Recreating too much plugin behavior manually
• No preview environment for editors
• Poor migration of custom fields
• Ignoring editorial workflow differences

Recommended migration path

If you want the safest route:

1. Audit your WordPress site
2. Choose a CMS
3. Model content types
4. Build the frontend
5. Migrate a subset of content
6. Test preview + SEO
7. Migrate everything else
8. Launch with redirects
9. Monitor and iterate

If you want, I can also provide:

• a WordPress → headless CMS migration checklist
• a side-by-side comparison of CMS options
• or a sample migration architecture using Next.js + Sanity/Strapi/Contentful