SEO Analysis From Your Browser
Get instant insights for any webpage you visit. Analyze on-page SEO, structured data, accessibility, and performance without leaving the page. Free forever, no account required.
Four tools, one mission
Each extension focuses on specific aspects of your site's health.
SEO & Content Checker
OWSH Page Audit
Quick on-page SEO analysis for any webpage. Analyze titles, meta descriptions, headings, images, links, and keyword usage instantly.
Schema & Sitemap Checker
OWSH Snapshot
Quick schema and sitemap analysis for any webpage. Check JSON-LD, Microdata, robots.txt, and sitemap.xml instantly.
Site Accessibility Checker
OWSH A11y Check
WCAG 2.1 AA accessibility audit with 15+ checks. Highlights issues directly on the page for quick identification and fixing.
Site Performance Checker
OWSH Speed Audit
Analyze Core Web Vitals, page weight, resource loading, and image optimization. Get instant performance scores with actionable improvement suggestions.
Why use browser extensions?
Quick wins for anyone who cares about SEO.
Instant Analysis
One click to analyze any page you visit. No need to copy URLs or switch tabs.
Privacy First
All analysis happens locally in your browser. No data sent to servers, no tracking.
Always Available
Quick access from your browser toolbar on any website. Perfect for audits & research.
Get started in 30 seconds
Install any extension and start analyzing pages immediately.
Install from Chrome Web Store
Click "Add to Chrome" on the extension you want.
Pin to Toolbar
Click the puzzle icon in Chrome and pin for easy access.
Click to Analyze
Visit any page and click the extension icon.
Need more detailed analysis?
The extensions give you quick insights. For comprehensive analysis including readability scores, word density, performance metrics, and detailed recommendations, use our full audit tools.
Explore All ToolsYour privacy matters
All OWSH extensions analyze pages entirely in your browser. We don't collect any data, track your browsing, or require an account.