Kentico Xperience 13 End-of-Life: Why Planning Ahead Matters

When a CMS reaches EoL, the website doesn't suddenly stop working. But over time, the risks and limitations increase.

Once a platform reaches end-of-life, organisations may face:

• No further security updates or patches
• Reduced vendor support
• Growing compatibility issues with integrations and third-party tools
• Increasing maintenance costs and technical debt
• Slower ability to improve digital experiences and website performance

For organisations operating in regulated or highly competitive sectors, these risks can escalate quickly.

One of the biggest mistakes businesses make is treating CMS migrations as simple infrastructure replacement projects.

In reality, EoL creates a valuable opportunity to reassess:

• Website performance and conversion effectiveness
• Customer journeys and user experience
• SEO and content architecture
• Marketing agility and editorial workflows
• Personalisation and experimentation capability
• Scalability and future technical flexibility

Continue within the Kentico ecosystem

For organisations heavily invested in Kentico infrastructure and workflows, staying within the Kentico ecosystem may make operational sense.

However, migrations still require planning, redevelopment, testing, and optimisation. It's rarely a straightforward "lift-and-shift" exercise.

Replatform to another platform

For some organisations, EoL provides the right opportunity to evaluate alternative platforms in their entirety.

The evaluation may be driven by:

• technical debt
• scalability concerns
• editorial frustrations
• performance limitations
• desire for more modern architecture or optimisation capability

The right platform depends entirely on business goals, internal workflows, and long-term digital strategy.

Use this as a wider transformation opportunity

Sometimes the CMS itself isn't the real issue.

The bigger challenge may be:

• fragmented customer journeys
• weak conversion performance
• inconsistent analytics
• legacy integrations
• limited experimentation capability
• operational inefficiency

In these cases, the most valuable outcome may not simply be a migration but a broader optimisation strategy focused on improving the digital experience over time.

Before selecting a platform, organisations should assess:

Performance

• Where are the current friction points in the customer journey?
• What's limiting conversion performance today?

Operational Agility

• Can teams launch improvements efficiently?
• Are workflows helping or slowing digital growth?

Future Readiness

• Does the current platform support experimentation, scalability, and personalisation?
• What technical debt risks exist over the next few years?

These are strategic business questions, not simply technical ones.

End of life does not necessarily equate to a straight platform migration. We approach conversations like this through the lens of integrated optimisation, combining UX, CRO, SEO, analytics, and web performance to help organisations make smarter, long-term digital decisions.

The goal isn't simply to replace a platform. It's to create digital experiences that don't just look brilliant but are future-proof and perform brilliantly, too.

Whether your organisation is considering Experience by Kentico, evaluating alternative platforms, or reassessing how your website contributes to growth, now is the right time to start planning strategically.

Successful platform decisions aren't just about replacing technology. They're about building intelligent digital experiences that accelerate measurable impact.

We don't see this as a migration.

We see it as an opportunity to accelerate measurable impact.

That means:

• Starting with the commercial objective, not the CMS
• Bringing together CRO, SEO, data, and development from day one
• Designing platforms that are built to test, learn, and improve continuously

Because we're not here to 'just' build websites. We're here to create intelligent digital experiences, platforms that don't just look brilliant, but perform brilliantly too. Get in touch to chat through the options with the team.