Person preparing to lift a loaded barbell on gym floor marked with chalk handprints.Person gripping a barbell on a gym floor marked with white chalk lines and handprints.

Scaling for Black Friday and Cyber Monday

Bulk

Bulk is one of the fastest-growing active nutrition brands globally, offering premium protein powders, vitamins, sports supplements, and fitness foods. With a highly engaged customer base and a major focus on peak sales events like Black Friday, the brand needed a digital presence capable of keeping pace with explosive traffic and transactional demand.

Mobile phone screen showing Bulk website with a payday sale banner offering up to 75% off and a list of bestselling protein products with prices and ratings.
16% increase
in total UK
site revenue.
Black Bulk Pro Dominate supplement box with black capsules placed in front on a black background.
Close-up of a hand gripping a barbell with weight plates in a gym setting.
66.3% checkout
conversion rate
(6.2% uplift)
Close-up of a person gripping a dumbbell in a gym setting.
25% YoY increase in
Black Friday revenue.
Black container of DOPE Max pre-workout supplement with sour apple flavor, listing ingredients and 25 servings.
the challenge

High Traffic, High Stakes

Black Friday and Cyber Monday are pivotal periods for Bulk — both a massive opportunity and a technical pressure point. With an eager customer base and high-intensity site traffic, even minor delays or checkout friction could lead to lost sales and missed revenue targets. Bulk needed to ensure its digital infrastructure could not only handle the volume but turn it into a strategic advantage through speed, usability, and performance.

APPROACH

Engineering Together for Growth

The Pixel and Bulk co-created the strategy through collaborative workshops, platform audits, and performance modelling. We prioritised user experience, stability under high load, and ecommerce innovation. The development process included enhancements to the product detail pages (PDP), carousel functionality, and the mobile interface. The backend saw major improvements through Akeneo PIM, rigorous QA, and streamlined data structures. All of this was delivered alongside a new fulfilment model that included flexible pick-up/drop-off options and loyalty-driving features like Bulk Boost.

Three smartphone screens showing bulk.com app: protein powder product page, basket with four items, and delivery method selection screen.Three smartphone screens showing bulk.com app: protein powder product page, basket with four items, and delivery method selection screen.
The Solution

A Scalable, High Impact Solution

The Pixel partnered with Bulk to deliver a high-performance Adobe Commerce setup, combining platform improvements with strategic enhancements to the user journey and fulfilment model.

Highlights included:

Scalable Platform: Optimised Adobe Commerce instance capable of handling 26,000+ requests per minute with sub-350ms response times.

Smarter Shopping Experience: Improved product galleries, mobile usability, and a streamlined checkout to increase conversion.

Loyalty Integration: Introduced Bulk Boost — unlimited free delivery with seamless checkout integration to drive retention.

Flexible Delivery Options: Integrated Hubbox PUDO for more convenient, lower-friction delivery and returns.

Product Data Centralisation: Deployed Akeneo PIM to streamline product content and boost backend efficiency.

Three smartphone screens showing an online supplement store app: product listings including Hero 100% Whey Protein and Magnesium Glycinate, a detailed product page for Hero Whey Protein with flavor and size options, and a confirmation screen with related product recommendations.Three smartphone screens showing an online supplement store app: product listings including Hero 100% Whey Protein and Magnesium Glycinate, a detailed product page for Hero Whey Protein with flavor and size options, and a confirmation screen with related product recommendations.

Our Work