Did you know? Amazon found out; using load testing, that a 100ms slowdown of its website would cause a decrease of revenue of 1%. Knowing that Amazon revenue for 2019 was around 280 billion dollars, that 1% can be very significant.
In the e-commerce business, the user experience and website performance is critical. More so when the business is punctuated with critical periods such as Christmas or the Black Friday.

With load testing solutions such as Gatling, you can avoid critical errors at the worst moment by simulate hundreds of thousands of users, in realistic conditions, in order to solve problems before they come live.