Create a set of conditions that describe user experience accurately

Comprehensive condition profiling

Experience your products through the eyes of your customers.

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What are Test Profiles?


Test Profiles allow you to set up a combination of testing scenarios that cover a range of user experiences.

understand the mobile experience

See the full spectrum

Half of the Internet traffic comes from handhelds. See how your sites behave on mobile devices without building a device test lab.

respond to challenging network conditions

See the impact of latency

Limit connection speed and types to grasp how your sites load on slower networks. Make meaningful optimisations.

What sets Calibre apart is how easily it supports more than basic authentication.

Angel Velasco, Full Stack Engineer

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Keep an eye on third party services

Disable ads and vendor scripts

Capture the performance impact of serving ads and third-party scripts. Understand which external tools are causing user experience bottlenecks.

Track app features and betas

Test early previews

Investigate your sites in situations that are difficult to test. Use cookies to authenticate to your products, analyse early previews or A/B tests. Never ship a performance regression again.

Cater to a global audience

Test where your customers are

Choose from one of 14 agent locations most relevant to your business and customers. No user experience is the same.

Understand how customers experience your products