Professional SEO Audit Tool
The Most Powerful SEO Chrome Extension That Actually Fits in Your Browser
Analyze 160+ SEO signals instantly with WebCheck360 - the only Chrome extension that delivers comprehensive SEO audits in just 153KB. No subscriptions, no data tracking, no fake metrics. Get real SEO insights for meta tags, structured data, technical SEO, and content optimization - all processed locally in your browser.
SEO Analysis Without the Baggage
I got tired of paying for bloated SEO tools that did less than they promised. So I built the one I actually wanted to use.
Stop Paying for What Should Be Free
You shouldn't need a $100/month subscription to check if a page has proper meta tags. Get instant access to 160+ SEO signals without creating an account, entering a card, or sitting through a sales demo.
Your Browser Won't Even Notice
At 153KB, WebCheck360 is smaller than most images on this page. No background processes draining your RAM. No sluggish tabs. Just click when you need it.
What Happens on Your Browser Stays on Your Browser
No data leaves your machine. No analytics. No tracking pixels. Audit client sites without wondering who else is seeing that data.
Real Signals, Not Vanity Metrics
No made-up "authority scores" or mystery algorithms. Just the on-page factors that actually matter - structured data, heading hierarchy, security headers, Core Web Vitals readiness - presented clearly so you can act on them.
Stop Losing Traffic to Hidden SEO Errors
No website can stand without a strong backbone. And that backbone is technical SEO.
WebCheck360 checks 160+ technical signals in one click. No signups. No subscriptions.
Common Questions
Frequently Asked Questions about WebCheck360 SEO Extension
Ready to See What's Holding Your Site Back?
Install WebCheck360 and get your first SEO audit in under 10 seconds. No signups, no credit cards, no catch.