Case 05 / 10Tech Solution

Prime Video · Regional

A regional launch site that held through launch-day traffic.

Localised content marketing rollout across 4 Indian languages, built to scale.

Industry: Entertainment
Year: 2024
Timeline: 9 weeks
Team: 8 engineers & designers

Get results like this See the approach

0: Languages at launch
0: Minutes of downtime
0s: Largest contentful paint
0: Lighthouse performance

The brief

What we were up against.

Needed a regional launch site that could handle a traffic spike on launch day without a full platform rebuild.

WebProduct4 languages

Goals

Serve four languages from one codebase

Survive a launch-day spike without a platform rebuild

Rank for regional search terms from week one

Our approach

4 moves from brief to launch.

Step 01Weeks 1–3

Product and UX design for the regional audience

UX designed around regional reading patterns, scripts and mobile-first viewing.

You get

UX flows and design system

Step 02Weeks 3–7

Frontend build on a fast, SEO-friendly stack

Statically generated pages on an edge network, with localised routing and metadata.

You get

Production frontend in 4 languages

Step 03Week 8

Load testing ahead of launch day

Synthetic load tests at 10× expected peak before go-live.

You get

Load test report and fixes

Step 04Week 9

Analytics instrumentation for post-launch iteration

Events and funnels wired up for post-launch iteration.

You get

Analytics dashboard

The shift

Before us. After us.

Languages

Before

English only

After

4 regional languages

Page load

Before

4.8s

After

1.4s

Launch-day uptime

Before

Unknown risk

After

100%

Key insight

Localisation is more than translation.

Regional scripts needed their own type scale and line lengths. Tuning typography per language lifted time on page more than any feature.

The outcome

The site held up through the launch-day traffic spike with no downtime.

We load-tested for ten times the traffic we expected. On launch day we needed about four of those.

Engineering Lead, Branding Crown

What we delivered

UX designDesign systemNext.js frontendi18n routingLoad testingSEO setupAnalyticsUX designDesign systemNext.js frontendi18n routingLoad testingSEO setupAnalytics

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