A Kentico 12 → XbyK migration with zero downtime for patients.
300+ pages, a headless Next.js rebuild, and reconnected Salesforce & HubSpot — delivered in 20 weeks.
A US healthcare provider running specialist clinics across five states partnered with DotStark to retire its aging Kentico 12 patient portal and rebuild on Xperience by Kentico (XbyK). The new platform delivers a faster, mobile-first patient experience while keeping appointment booking online throughout the migration.
- Modernise the patient portal without disrupting appointment booking.
- Cut mobile load time below 1.5s and lift Core Web Vitals.
- Give the editorial team an easier, faster CMS for clinic content.
- Re-establish Salesforce and HubSpot integrations on a cleaner architecture.
- Position the platform for HIPAA-aware content workflows and future growth.
- Headless Next.js 14 frontend powered by XbyK content delivery APIs.
- 15 structured content types and 47 reusable widgets rebuilt for the new editor.
- 340 legacy URLs mapped and redirected with zero crawl errors.
- Azure Functions middleware bridging Salesforce CRM and HubSpot marketing.
- Accessible, mobile-first patient flows for booking, locations and clinical FAQs.
- Six years of technical debt in the legacy Kentico 12 instance.
- A Clinical FAQ content type with nested references the default toolkit could not move cleanly.
- Strict zero-downtime requirement around patient appointment booking.
- Reconnecting Salesforce and HubSpot without losing historical lead data.
Audit first, then a headless rebuild on Azure.
A 3-week discovery sprint catalogued every content type, widget and URL. We chose XbyK SaaS on Azure to remove DevOps overhead and a headless Next.js frontend to hit the sub-1.5s mobile target.
Migration ran in three validated rounds — staging, side-by-side review, then signed-off cutover at 98.7% field accuracy. Salesforce and HubSpot were rebuilt on XbyK webhooks plus an Azure Functions middleware layer, replacing the legacy custom module.
The migration was invisible to our patients and our clinical team — and the new platform is genuinely better in every dimension.
The XbyK rebuild gave the healthcare provider a faster, more accessible patient experience and an editorial workflow the team actually enjoys using. With clean integrations and a headless architecture, the platform is set up to scale into new clinics and services without another full replatform.
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