Performance monitoring that scales with your business

15-day free trial. Nothing to install. Start monitoring in minutes.



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Performance monitoring for world’s best brands

A strategic partnership to achieve the best performance results, at scale.

Tailored performance guidance

Enterprise security and privacy

Fast onboarding with SSO

99.9% Uptime SLA

Custom plans and payment options

Unlimited testing capabilities

Join world’s best companies improving performance with Calibre


Frequently Asked Questions

We deeply value the privacy of our customers. We are GDPR compliant and will never automatically opt you into any mailings. Learn more about our Privacy Policy, Security Practices and GDPR.

We want you to always be able to compare the history of your sites. That’s why we offer a lifetime snapshot data retention for all account tiers.

If you decide to close your account all of your data will be immediately and permanently deleted.

You will be charged a monthly subscription fee based on the plan you’ve chosen. Annual Plans come with two months for free. All plans are billed in USD.

It depends on the amount of sites, test frequency and test profiles being used. You can monitor the usage on the Billing Page and upgrade or downgrade at any time.

You will receive a PDF invoice shortly after being billed. Invoices will include relevant tax information entered on the Billing → Invoice Details page.

Teams on Enterprise Plan are able to pay via bank transfer. Talk to sales for more details.

Calibre alerts account admins once 80% and 100% of the monthly test quota is reached. When the test allocation is exhausted, monitoring will be stopped until the start next billing cycle.

Ready to start monitoring performance today?