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Site Performance Checker - OWSH Speed Audit

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Overview

Instant performance audit: Core Web Vitals, resource analysis, image optimization & load timing. Fast and private.

Instant performance audit for any webpage. Check Core Web Vitals, page weight, image optimization, and resource loading in seconds. OWSH Speed Audit is a free, lightweight performance tool that helps you understand how fast your site loads and where the biggest slowdowns are, without leaving your browser. INSTANT PERFORMANCE SCORE | Open the extension on any webpage to instantly see: - Overall performance score (0-100) with letter grade - Core Web Vitals: LCP, CLS, FCP, TTFB, and TBT at a glance - Top issues prioritized by impact - Page stats: requests, page weight, load time, DOM nodes HIGHLIGHT ISSUES ON PAGE | Spot problems directly in context: - One-click image highlighting shows problem images right on the page - Oversized images, legacy formats, and missing lazy loading flagged visually - Jump directly to problem elements DETAILED BREAKDOWN | Deep dive into specific areas: - Resources: Largest files, render-blocking scripts, type breakdown - Images: Oversized images, legacy formats (JPEG/PNG), missing lazy loading, missing dimensions - Loading: Load timeline visualization, resource waterfall, font loading issues - Cache & Compression: Missing cache headers, uncompressed resources ACTIONABLE FIX TIPS | Know what to do next: - Every issue includes a plain-language explanation of the problem - Beginner-friendly fix suggestions you can share with your developer - Impact labels so you know what to prioritize first FULL REPORT IN ONE CLICK - Jump to the full audit experience at audit.owshsystems.com for a deeper breakdown with mobile vs desktop comparison, grouped insights, and detailed fix guides. PRIVACY FIRST - All analysis runs locally in your browser. - No tracking. No data collection. No accounts. Category: Web Development Language: English Support email: hello@owshsystems.com Homepage URL: https://audit.owshsystems.com/performance Privacy Policy URL: https://audit.owshsystems.com/privacy/performance-extension

Details

  • Version
    1.0.0
  • Updated
    February 19, 2026
  • Size
    30.7KiB
  • Languages
    English
  • Developer
    OWSH UNLIMITED, LLC
    113 Mechanic St Fayetteville, NY 13066-1332 US
    Website
    Email
    hello@owshunlimited.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

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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