Drupal to WordPress migration: a case study on preserving SEO and content integrity in site re-platforming

Migrating a website from Drupal to WordPress involves much more than moving content. Preserving SEO value, maintaining URL structures, and ensuring content integrity are critical to a successful re-platforming project.

Issue Background

An organization needed to transition from Drupal to WordPress while preserving existing content, maintaining established URL structures, and matching existing branding and design standards. The migration also involved complex content types and custom field data.

Diagnosis

Several challenges emerged during the migration process, including content type mapping differences between Drupal and WordPress, URL conflicts, content stored within Advanced Custom Fields (ACF), and the need to preserve SEO-friendly URLs. Some imported pages appeared blank because content resided in custom fields rather than standard content areas.

Resolution Steps

Develop a structured migration plan, migrate ACF content into accessible page content where appropriate, convert custom post types into standard pages using Post Type Switcher, manually rebuild select pages, perform extensive QA testing, and implement redirects to preserve search engine rankings and user access.

Final Outcome

The website was successfully migrated from Drupal to WordPress while maintaining content integrity, preserving SEO value, and improving editorial usability. Existing URLs were retained wherever possible, helping ensure a smooth transition for both users and search engines. If you’re planning a Drupal to WordPress migration, contact Freshy.