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Is Your Outdated Website a Security Risk Waiting to Happen?

You need a secure, high-performance platform, but a complex migration feels daunting. Let’s talk about how we delivered exactly that for the City of New York—and how we can do it for you.

Case study Drupal migration for New York City website by Off-Site Services Inc

A Mission-Critical Partnership

Client: The City of New York
Industry: Government

The City of New York faced a challenge you might recognize: their digital platform was the backbone of citizen services, but its aging Drupal core had become a security and operational liability. They needed a partner who could handle a high-stakes migration—preserving years of data and complex features—without a single hiccup in service to millions. They chose us to be that partner.

The Challenge: More Than Just an Upgrade

This wasn’t a simple version update. An end-of-life system put vital operations at risk. The real challenge was in the details:

  • Your Historical Data is Priceless: How do you securely migrate years of archived content without loss or corruption?
  • Your Custom Features Can’t Break: How do you modernize legacy functionality that your team relies on every day?
  • Your Integrations Must Stay Live: How do you ensure critical connections (like their Twilio, Clickatell, and Microsoft BI) continue to work flawlessly?

Our Solution: A Strategic, Zero-Downtime Migration

We approached this not as a one-time tech project, but as a strategic partnership to ensure their long-term digital health. Here’s how we delivered:

  • Meticulous Data Migration: We treated their historical data as the asset it is, transferring every record with precision.
  • Future-Proof Feature Development: We rebuilt and optimized legacy functions for the modern Drupal framework, enhancing stability.
  • Seamless Integration Management: We guaranteed all third-party services (Twilio, Clickatell, Microsoft BI) worked perfectly post-migration.
  • Rigorous, Real-World Testing: We went beyond automated checks with manual testing based on actual user scenarios to ensure a flawless experience.

The Result: A Foundation Built for the Future

The outcome was exactly what you would want for your own organization:

  • Zero-Disruption Go-Live: Citizens and city employees experienced no downtime or loss of service.
  • Fortified Security & Performance: A modern, supported platform eliminated security risks and improved efficiency.
  • A Superior User Experience: The site remained fully functional and accessible, exactly as needed.

We provided the City of New York with the enterprise-level quality and strategic oversight they required, proving that you don’t need an enterprise-level budget to achieve it. We became their trusted partner, ensuring their digital services were secure, stable, and ready for the future.

Ready to future-proof your website with a partner you can trust? Let’s discuss a strategic roadmap for your migration.

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Frequently asked questions:

− How do you migrate a site as complex as an NYC government portal without disrupting public services?
When dealing with high-stakes government infrastructure, we use a "Parallel Build" strategy. We architected a new, hardened Drupal environment while the legacy site remained fully operational. By using automated ETL (Extract, Transform, Load) pipelines, we synchronized thousands of data points and documents in the background. The final transition was a surgical cutover that ensured New Yorkers never lost access to vital city information for even a second.
− NYC websites serve a diverse population; how did the migration improve accessibility (ADA)?
Accessibility is a legal and moral mandate for government sites. During the migration, we implemented a "Compliance by Design" approach. This involved building custom Drupal themes from the ground up that meet WCAG 2.1 Level AA standards. We also integrated automated accessibility testing tools into the content workflow, ensuring that as city employees add new updates, the site remains inclusive for users with visual, auditory, or motor impairments.
− How does the new Drupal architecture handle massive traffic spikes during city emergencies?
We moved the infrastructure to a High-Availability (HA) cloud environment specifically tuned for Drupal. By utilizing elastic scaling, a global Content Delivery Network (CDN), and multi-layered caching (Varnish and Redis), the site can handle millions of concurrent hits. Whether it’s a standard Tuesday or a major weather event, the architecture automatically scales resources to ensure the site remains fast and responsive when the public needs it most.
− What happened to the decades of legacy documents and historical data during the move?
We didn't just "copy and paste"; we performed a Content Audit and Structural Mapping. Many legacy documents were stored in disparate, non-searchable formats. Our team mapped this data into structured Drupal content types, significantly improving the site's internal searchability. This turned a massive "digital archive" into a living, searchable database, making it easier for citizens and journalists to find public records and historical city data.

Don’t let a complex migration hold your business back.

Get the Fortune 500-grade strategy and execution you need, without the bloated budget. Let’s build a roadmap for your success.

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