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Core Web Vitals Test vs Umami

Umami offers simple analytics without the built-in Core Web Vitals calculations of this extension

Which to pick

Pick Core Web Vitals Test if you want…

  • Instant Core Web Vitals metrics in Chrome
  • A free tool

Pick Umami if you want…

  • Privacy-preserving web analytics
  • Lightweight, privacy-focused analytics
  • Open-source code (umami-software/umami on GitHub, MIT license)

Side by side

What it is
Core Web Vitals Test:Core Web Vitals Test is a Chrome extension that measures and compares key performance metrics for desktop and mobile pages.
Umami:Umami is a privacy-first, open-source web analytics platform that tracks traffic, behavior, conversions and revenue without cookies or personal data.
Best for
Core Web Vitals Test:Instant Core Web Vitals metrics in Chrome
Umami:Privacy-preserving web analytics
Who it’s for
Core Web Vitals Test:SEO specialists, web developers, UI/UX designers, digital marketers, product managers, QA engineers
Umami:Product teams, marketers and developers who need analytics without compromising privacy.
Pricing
Core Web Vitals Test:Free
Umami:Freemium
Plans
Core Web Vitals Test:—
Umami:Hobby $0/ month per month · Pro $20/ month per month · Business $200/ month per month
Open source
Core Web Vitals Test:—
Umami:Yes, 39,109 GitHub stars

Core Web Vitals Test features

  • Metric calculation. Shows LCP, CLS, INP, FCP, TTFB for the current page on desktop and mobile.
  • One-click analysis. Calculate metrics by clicking the extension icon without leaving the page.
  • Mobile/desktop toggle. Switch between mobile and desktop results instantly.
  • Competitor comparison. View Core Web Vitals of any competitor page for SEO benchmarking.
  • Real-time monitoring. Track performance changes as you develop or update a site.
  • Multi-language UI. Interface available in 55 languages.

Umami features

  • Acquisition & Attribution. Shows traffic sources, UTM tracking and campaign performance in real time.
  • Behavior Insights. Provides session replays, heatmaps and user journey visualizations.
  • Conversion Funnels. Build funnels and goals to identify drop-off points and measure conversions.
  • Revenue Tracking. Links events and campaigns to monetary value for ROI analysis.
  • Privacy by Default. No cookies, no personal data, GDPR/CCPA compliant and no consent banner needed.
  • Collaboration & Sharing. Role-based team access, custom dashboards and shareable URLs.

Core Web Vitals Test vs Umami FAQ

Is Core Web Vitals Test or Umami free?+

Core Web Vitals Test is free. Umami has a free plan (Hobby); paid plans start at $20/month (Pro).

Which is cheaper, Core Web Vitals Test or Umami?+

Core Web Vitals Test is free, so it costs less. Umami starts at $20/month (Pro).

Is Core Web Vitals Test or Umami open source?+

Umami is open source (umami-software/umami on GitHub, MIT license). DevHunt has no public source repository on record for Core Web Vitals Test.

On DevHunt

Core Web Vitals Test

1 upvote · Launched on DevHunt on Dec 23, 2025

Based on each tool's website and DevHunt data. Details may change; check the official sites.