Site Performance Checker - OWSH Speed Audit icon

Site Performance Checker - OWSH Speed Audit

by OWSH Unlimited

v1.0.0 Updated Feb 19, 2026 30.7KiB
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Description

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
Site Performance Checker - OWSH Speed Audit screenshot 1Site Performance Checker - OWSH Speed Audit screenshot 2Site Performance Checker - OWSH Speed Audit screenshot 3Site Performance Checker - OWSH Speed Audit screenshot 4

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Permissions (2)

Permissions

activeTab Can access the current tab when you click the extension scripting Can inject scripts into web pages

Details

Version 1.0.0
Updated Feb 19, 2026
Size 30.7KiB
First Seen Mar 26, 2026