Big Protein — Case Study | CSElite Growth
CSELITE
WEB DESIGN + BRANDING

BIG PROTEIN

2026View the Live Project
Big Protein — an online supplements store redesigned by CSElite Growth

An online store losing customers every day

Big Protein is a Romanian brand of nutritional supplements and sports products, with a loyal community built over years. But their old site, built on a dated platform, had become a serious obstacle to growth.

Load time was over 8 seconds on mobile, and the design inspired no confidence. Checkout was complicated, with 5 steps before an order could be completed. Basket abandonment reached 78%, and new customers left before exploring the products. Product photography was low quality with no visual consistency, and the descriptions did not communicate the real benefits.

Beyond the technical problems, Big Protein had no SEO strategy. Their products did not appear in Google searches for relevant terms such as "whey protein Romania" or "nutritional supplements online". Competitors were winning the customers Big Protein deserved.

A full redesign focused on conversion and speed

We approached Big Protein as a complete transformation, not a "facelift". We began with a detailed analysis of user behaviour on the old site, identifying exactly where customers were lost and what made them abandon the basket.

We created a modern, clean, professional design centred on high-quality product imagery. Every product page was designed for conversion: photographs from several angles, clear nutritional information, customer reviews, and an add-to-basket button visible without scrolling.

Checkout went from 5 steps to 2, with multiple payment options and delivery estimated in real time. We implemented an intelligent recommendation system suggesting complementary products, raising the average order value.

On the technical side we built the site in React with fluid custom animation, optimising every image and asset for maximum speed. We implemented lazy loading, advanced compression and a fast CDN. The SEO strategy covered optimising every product page, creating relevant blog content and implementing product schema markup.

Measurable growth in the first 90 days

The results exceeded expectations, ours as well as the client’s. In the first 3 months after launch, Big Protein recorded growth of over 5,000 euros per month in online sales — a significant jump on previous performance.

Load time fell from 8 seconds to under 2.5 seconds on mobile, a threefold improvement. Bounce rate dropped by 40%, meaning visitors spend longer exploring the products. Conversion rate rose from 1.2% to 3.8%.

The SEO strategy delivered consistently: organic traffic grew 120% in 90 days, and Big Protein reached the first page of Google for over 35 relevant keywords in the supplements niche. Average order value rose 25% thanks to the recommendation system.

A modern stack for maximum performance

We chose technologies that support the client’s business objectives: speed, scalability and a faultless user experience.

ReactCustom AnimationSEO OptimizationResponsive DesignPerformance TuningSchema Markup
+5.000€
Extra monthly revenue
3x
Load speed
-40%
Bounce rate
+120%
Organic traffic

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