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Perf Budget Guardian

ExtensionDeveloper Tools
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Item media 1 (screenshot) for Perf Budget Guardian
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Item media 3 (screenshot) for Perf Budget Guardian
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Overview

Real-time performance budgets in your browser. Watch Core Web Vitals live, get alerted the instant a budget breaks. Local-only.

Live Core Web Vitals on every page, with budgets that warn you the instant a page goes over. Free tier included.

Details

  • Version
    0.2.5
  • Updated
    September 28, 2026
  • Features
    Offers in-app purchases
  • Offered by
    productsbyas
  • Size
    45.7KiB
  • Languages
    English (United Kingdom)
  • Developer
    3D-Prototype Ltd
    Lytchett House 13 Freeland Park, Wareham Road Poole BH16 6FA GB
    Email
    productsbyas2@gmail.com
    Phone
    +44 7584 621112
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
  • D-U-N-S
    219762729

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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