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SPECIFICTION
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Calibre RUM

calibreapp.com

From $75/mo Free trial WebAPI
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Spec score 8.2 #12 of 43 in Synthetic Monitoring

Spec sheet

Product
Calibre RUM collects Core Web Vitals and other user experience signals from real browser sessions to help teams find slow pages and UX issues.Read 4 Oct 2026 · calibreapp.com
Audience
Calibre describes its platform as serving SEOs, agencies, product teams, and developers.Read 4 Oct 2026 · calibreapp.com
Integrations
Calibre lists integrations including GitHub, Slack, Zapier, Netlify, Render, webhooks, a Node.js API, and a command-line interface.Read 4 Oct 2026 · calibreapp.com
Security
Calibre says data in transit uses TLS and data at rest is encrypted with AES-256, with encryption keys managed through AWS KMS and automatically rotated.Read 4 Oct 2026 · calibreapp.com
Privacy
The RUM script uses no cookies, collects no personal data, and is described as having minimal performance overhead.Read 4 Oct 2026 · calibreapp.com
Compliance
Calibre states that it complies with EU GDPR, UK GDPR, and the Australian Privacy Principles, and acts as a service provider under CCPA for customer data processing.Read 4 Oct 2026 · calibreapp.com
Support
The pricing page says every plan includes email support and describes high-priority support as included with the Company plan.Read 4 Oct 2026 · calibreapp.com
Headquarters
Melbourne, AustraliaRead 28 Sep 2026 · calibreapp.com
Founded
2017Read 28 Sep 2026 · calibreapp.com
Company
Calibre says it has been bootstrapped and profitable since its founding in 2017.Read 4 Oct 2026 · calibreapp.com
Data location
Calibre says RUM data is processed at AWS edge locations and then transferred to its centralised database in the United States.Read 4 Oct 2026 · calibreapp.com
Element attribution
RUM identifies elements associated with slow LCP rendering, INP interaction delays, and CLS layout shifts.Read 4 Oct 2026 · calibreapp.com
Page analysis
RUM ranks pages by traffic volume and lets users group pages by URL sections such as blog, category, and product pages.Read 4 Oct 2026 · calibreapp.com
Segmentation
Reports can be filtered by page, device, browser, country, deployment, or URL group.Read 4 Oct 2026 · calibreapp.com
Usage limits
When a plan's monthly synthetic test allocation is exhausted, Calibre says monitoring stops until the next billing cycle unless capacity is increased.Read 4 Oct 2026 · calibreapp.com

Plans and prices

Starter $75 a month $75 / month 5K real user sessions · 5,000 synthetic tests/month · 3 seats · unlimited sites and URLs · 1 team Read 4 Oct 2026 · calibreapp.com
Team $150 a month $150 / month 10K real user sessions · 15,000 synthetic tests/month · 10 seats · unlimited sites and teams Read 4 Oct 2026 · calibreapp.com
Company $1,500 a month $1,500 / month (paid yearly) 1,000,000 real user sessions · 50,000 synthetic tests/month · 50 seats · unlimited sites and teams · invoice payment available Read 4 Oct 2026 · calibreapp.com

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