# Protecting the Performance Guarantee | Ology customer story

> An agency had just won a major wireless carrier as a client — and only got paid on qualified leads. Before a single pixel went live, they tested multiple concepts with real prospects under the pressure of a performance contract. The pages they launched outperformed every previous campaign the carrier had run.

- Service: [Website Testing](https://ologycollective.com/what-we-do/marketing/website-testing) (for marketing teams)
- Page: https://ologycollective.com/customer-stories/website-testing

An agency had just won a major wireless carrier as a client. The brief: launch landing pages for a new phone offer. The catch: they only got paid on qualified leads.

Before a single pixel went live, they tested multiple concepts with real prospects - navigating bilingual requirements and strict brand guidelines under the pressure of a performance contract.

The pages they launched outperformed every previous campaign the carrier had run. Qualified leads surged. The agency became the go-to partner overnight, and that success drove referrals and new clients who'd heard about the results. One upfront investment in testing created a ripple effect that transformed their business.

About Ology: https://ologycollective.com/for-ai.md