About
Clocks and Colours is a premium jewelry brand renowned for its bold, handcrafted sterling silver pieces. The brand is rooted in narrative expressed through immersive videos and rich, editorial-style imagery that showcase each product's story, design, and edge.
Balancing Visual Storytelling with Performance
The Clocks and Colours experience is built on high-impact visual content - cinematic homepage videos, detailed imagery, and lifestyle shots that bring the jewelry to life on the body. However, the media-heavy nature of the site led to:
- Increased load times, particularly on mobile
- Performance challenges impacting SEO and Core Web Vitals
- Friction in the conversion journey for first-time and returning visitors.
Delivering Speed Without Sacrificing Storytelling
To tackle these performance bottlenecks without scaling back their visual brand expression, Clocks and Colours partnered with Nostra, leveraging their cutting-edge AI optimization layer.
- Dynamic Content Optimization: Made previously non-cacheable content (like carts and personalized product suggestions) fast and efficient.
- Faster Image & Video Delivery: High-resolution imagFaster Image & Video Delivery: High-resolution images and on-body videos now load significantly faster, giving customers a seamless visual experience without compromising quality. This was especially impactful on PDPs, where seeing product texture, scale, and fit is key to improving CvR.
The Results
The impact of Nostra was immediate - and measurable:

- TTFB (Time to First Byte):
Went from 689ms → 535ms (22% improvement)
Faster server response = snappier experience. - FCP (First Contentful Paint):
Went from 1236ms → 1058ms (14% faster)
Users see content faster, reducing bounce. - LCP (Largest Contentful Paint):
Went from 1793ms → 1578ms (12% faster)
Heavy video and image content now loads more quickly, improving UX and SEO.
For a brand like Clocks and Colours, where every detail - from product design to digital storytelling - is crafted to feel premium, site speed isn't optional. It's essential. With Nostra they were able to deliver a luxury shopping experience at lightning speed — without compromise.