When Products Go Viral: How E-Commerce Leaders Can Prepare for Demand Spikes

A single viral moment can reshape demand almost instantly. A product featured in a TikTok video or picked up by a creator can generate more orders in a day than a brand typically sees in a week. In some cases, that can mean a day’s worth of orders arriving in an hour.

For e-commerce leaders, that kind of visibility is valuable. It also brings pressure that shows up behind the scenes. Demand spikes don’t always follow a predictable pattern, and they tend to reveal how much strain a fulfillment operation can absorb before performance starts to slip.

Inventory gaps show up faster than expected. Picking slows as volume increases. Orders take longer to leave the warehouse. Small errors become more frequent. What starts as a surge in demand can quickly translate into cancellations, delayed deliveries, and added pressure on customer experience.

These kinds of spikes are showing up more often across e-commerce. Demand is shaped by social commerce, new channels, and shifting consumer behavior, not just seasonal peaks. The question for most teams is how their operations will hold up when volume changes quickly.

Where Pressure Builds

E-commerce operations are under sustained pressure from rising costs, labor constraints, and expanding sales channels. At the same time, customer expectations around speed and accuracy continue to increase.

When order volumes spike, the warehouse floor changes quickly. What felt manageable a day earlier starts to slow, with people on the floor crossing paths more often, picking routes taking longer than expected, and newly hired team members still getting up to speed. Work that normally moves steadily begins to bunch up.

Across benchmarked operations from a recent warehouse performance report, while the average number of orders picked per hour per person is 23, some e-commerce companies have achieved close to 130. That gap usually comes down to how the warehouse is set up, how much movement is required, and how easy it is for someone to step in and keep things moving.

As volume builds, shipping timelines start to stretch. Orders begin to queue, first at picking, then at packing. An average mean time to ship of around 28 hours leaves limited room to absorb delays once they begin. In one example from the report, a business saw a sales spike of more than 250 percent, which quickly exposed the limits of manual fulfillment processes.

Accuracy tends to follow. Inventory accuracy is typically high, and most orders go out correctly, but those margins tighten under pressure. A missed scan or a misplaced item is easier to overlook when teams are moving quickly. That’s often when issues start to surface outside the warehouse through cancellations, returns, and customer inquiries.

What Preparation Looks Like in Practice

Preparing for demand spikes often comes down to the flow of work through the warehouse before volume increases. In some operations, small changes to warehouse layout make a noticeable difference. Placing high-volume items closer to packing stations or reducing unnecessary movement can help teams maintain pace when order volumes rise.

Clear, consistent workflows also matter. When processes are easy to follow, new or temporary staff can contribute more quickly without slowing down the rest of the team. This becomes especially important during periods of rapid growth, when onboarding time can directly affect output.

Digitizing manual steps can reduce variability as well. Real-time inventory tracking and barcode scanning make it easier to see what’s happening across the operation and reduce reliance on individual knowledge. That visibility becomes more valuable as teams grow and order volumes fluctuate.

These changes are often incremental, but over time they make fulfillment operations more stable. When work is easier to follow and measure, it’s easier to maintain consistency under pressure.

Balancing Speed, Accuracy, and Cost

Demand spikes tend to bring competing priorities into focus. Faster shipping, for example, can improve customer satisfaction, but it can also introduce risk if accuracy begins to slip. Even small errors carry a cost. In some cases, a single mis-shipped order can cost hundreds of dollars once returns, reshipping, and customer support are factored in.

Adding labor can increase throughput, but it also raises costs and can create inconsistency if new staff are not fully up to speed. In many operations, onboarding still takes time, which makes it harder to scale quickly during short-term demand spikes. At the same time, customer expectations around delivery continue to increase. Completion rates remain high across the industry, but even small drops can lead to a noticeable increase in cancellations and missed orders.

Many teams are starting to approach these tradeoffs differently. The focus is shifting away from pure cost reduction and toward profitability as businesses look to meet demand in a way that maintains service levels without adding unnecessary expense. This shift often changes how decisions are made during high-demand periods. Teams look more closely at what needs to move first, how work is distributed across the floor, and where additional resources will actually improve outcomes.

Viral demand is difficult to predict, but the way operations respond to it is not. For e-commerce leaders, the work starts well before the spike: understanding where pressure builds, how work moves through the warehouse, and what breaks first when volume increases. The warehouse is more than just a storage space. When businesses appreciate its impact as the central hub of fulfillment operations, it becomes much easier to capitalize on the next surge without losing momentum.

Johannes Panzer is head of marketing, global e-commerce at Descartes, a provider of on-demand, software-as-a-service solutions focused on improving the productivity, performance and security of logistics-intensive businesses.