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Calibre vs DebugBear
People
Price
Published entry price
$45+per month
Published entry price
$15+per month
Web Performance Optimization
Annual estimate10 people, entry price
$540+
Flat rate
$180+
Flat rate
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Web Performance Optimization
Overview
Focus
Web Performance Optimization
Frontend Monitoring
Product
Web performance monitoring platform providing Lighthouse-based automated audits, Core Web Vitals tracking, and performance budgets.
Website speed monitoring tool tracking Core Web Vitals, Lighthouse scores, and request waterfalls with deployment annotations.
Headquarters
Melbourne, Australia
London, United Kingdom
Company size
11-50 employees
2-10 employees
Founded
2017
2019
Pricing details
Plan
Published entry price
Published entry price
Published rate
$45+ / month
$15+ / month
Billable seats
Flat rate
Flat rate
Free options
Free trial
Free plan, Free trial
Source updated
Oct 29, 2026
Oct 29, 2026