Who this is for

You need a high-performance website or application

Speed, SEO and user experience are critical to success.

You’re building a modern front-end architecture

Decoupled, API-driven or headless platforms.

You want flexibility without compromising performance

Balancing dynamic content with fast load times.

What we help solve

Practical problems we see on Next.js programmes-and how we address them.

  • Slow, underperforming websites

    Poor performance impacts SEO and user experience. We use Next.js for optimised rendering and performance-faster load times and improved engagement.

  • Limitations of traditional front-end frameworks

    Difficult to balance SEO, speed and dynamic content. We leverage SSR, SSG and hybrid rendering-flexible, high-performing applications.

  • Challenges with SEO in modern web apps

    Client-side rendering limits search visibility. We implement server-side and static rendering strategies-improved search rankings and discoverability.

  • Complex integrations with backend systems

    Front-end and backend aren’t aligned. We build API-driven, headless architectures with Next.js-seamless integration and flexibility.

  • Difficulty scaling front-end applications

    Codebases become hard to manage as projects grow. We apply structured, component-based architecture-maintainable, scalable front-end systems.

Why Tonic / why this approach

  • Performance-first developmentWe prioritise speed, responsiveness and user experience.
  • Flexible rendering strategiesUsing the right mix of SSR, SSG and client-side rendering.
  • Aligned with headless and modern architecturesNext.js integrated with CMS, APIs and backend systems.
  • Scalable and maintainable codebasesComponent-driven development for long-term flexibility.
  • Integrated with UX and designFront-end performance supports the overall experience. Front-end development is treated as a core driver of performance, usability and growth.

Core capabilities

  • Next.js application development

    Building modern websites and web applications.

  • Headless and API-driven architecture

    Integrating with CMS, APIs and backend systems.

  • Server-side rendering (SSR) and static generation (SSG)

    Optimising performance and SEO.

  • UI and component-based development

    Reusable, scalable front-end systems.

  • Performance optimisation

    Improving speed, Core Web Vitals and user experience.

  • SEO and accessibility implementation

    Ensuring visibility and usability.

  • Integration with CMS and platforms

    Connecting Next.js to content and data systems.

  • Ongoing support and optimisation

    Maintaining and evolving applications over time.

Selected work

Representative outcomes-explore more in our work.

Built for real-world delivery

Modern React and Next.js ecosystem

Leveraging a leading front-end framework.

Headless CMS and API integrations

Flexible content and data management.

Performance and Core Web Vitals optimisation

Fast, responsive experiences.

SEO and accessibility compliance

Discoverability and usability.

Cloud and edge deployment

Netlify for edge-first static and hybrid delivery, or AWS hosting when CloudFront and compute stay in your AWS estate.

Support and continuity

Ongoing maintenance and optimisation.

How we deliver

  1. Discovery and technical planning

    We define requirements, architecture and performance goals.

    Clear development direction; misaligned implementation reduced.

  2. Architecture and rendering strategy

    We design how the application will be structured and rendered.

    Optimised performance approach; SEO and speed issues reduced.

  3. Development and integration

    We build the application and connect systems.

    Fully functional front-end; integration challenges reduced.

  4. Testing and optimisation

    We validate performance, accessibility and SEO.

    High-quality, production-ready application; performance issues reduced.

  5. Deployment and scaling

    We launch and configure for performance and growth.

    Stable, scalable platform; deployment issues reduced.

  6. Ongoing support and evolution

    We refine and enhance over time.

    Continuous improvement; technical debt reduced.

FAQs

What is Next.js used for?

Next.js is a React framework used to build high-performance websites and web applications.

Is Next.js good for SEO?

Yes-server-side and static rendering improve search visibility.

Can Next.js work with a CMS?

Yes-it’s commonly used with headless CMS platforms.

Is Next.js suitable for large applications?

Yes-it supports scalable, enterprise-level projects.

How does it improve performance?

Through optimised rendering, caching and efficient loading strategies.

Do you provide ongoing support?

Yes-ongoing optimisation and development are part of our service.