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WebVitals Pro

mozilla.orgBrowser DevTools & extensions

PulseGate's liveness check found it on 14 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 14 Sep 2026. How this is checked

WebVitals Pro is a Firefox extension that displays Core Web Vitals and other page performance metrics in real time. It also tracks CPU, memory, network usage, and historical trends for web developers and performance engineers.

Inferred · not functionally tested

FreeWebEmbeddable
WebVitals Pro preview
Visit mozilla.org

Overview

6 features

Purpose: Monitoring website performance metrics and browser resource usage without separate developer tools.

Inferred · not functionally tested

Audience: web developers and performance engineers

Inferred · not functionally tested

Functions: monitoring, analytics

Inferred · not functionally tested

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, embeddable

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: addons.mozilla.org · addons.mozilla.org. These links do not verify the individual claims.

WebVitals Pro sits in PulseGate's Browser DevTools & extensions category. Inferred · not functionally tested: It focuses on monitoring website performance metrics and browser resource usage without separate developer tools. Inferred · not functionally tested: WebVitals Pro is a B2B product aimed at web developers and performance engineers. Basis unknown · not verified: It is available for free. Basis unknown · not verified: It ships for the web and embeddable surfaces.

It is developed by 99OK, and it first shipped in 2024. Inferred · not functionally tested: Key capabilities include Core Web Vitals, load time tracking, and resource monitoring. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Core Web Vitals
  • Load time tracking
  • Resource monitoring
  • CPU monitoring
  • Memory monitoring
  • Network tracking

Topics: Inferred · not functionally tested

Tags
web-vitalsperformance-monitoringresource-usagefirefox-extension

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddable

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of ServiceFree tierMulti-languageStore listing found
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed14 Sep · 15:14 UTC
    WebVitals Pro seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about WebVitals Pro

What is WebVitals Pro?
Inferred · not functionally tested: WebVitals Pro focuses on monitoring website performance metrics and browser resource usage without separate developer tools. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is WebVitals Pro for?
Inferred · not functionally tested: WebVitals Pro is a B2B product built for web developers and performance engineers.
Does WebVitals Pro have a free plan?
Basis unknown · not verified: Yes — WebVitals Pro is free to use.
What platforms does WebVitals Pro run on?
Basis unknown · not verified: WebVitals Pro runs on the web and embeddable surfaces.
Is WebVitals Pro still active?
PulseGate's liveness check found it on 14 Sep 2026.
What are alternatives to WebVitals Pro?
Similar projects tracked by PulseGate include Web Usage Monitor, Velocity Web Speed, and VoPro.Web Usage MonitorVelocity Web SpeedVoPro
Who makes WebVitals Pro?
WebVitals Pro is developed by 99OK.
How long has WebVitals Pro been around?
WebVitals Pro first shipped in 2024.

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