SEO Checker: How to Audit Any Webpage's SEO in One Click — Free

Whether you are an SEO professional auditing client sites, a blogger checking your own content, or a marketer analyzing competitor pages — running a proper SEO audit usually takes multiple tools and 30 minutes. The SEO Checker Chrome extension does it in one click, completely free.

SEO Checker showing SEO score out of 100 with top issues list

SEO score out of 100 with top issues ranked by severity — one click

What Is SEO Checker?

SEO Checker is a free Chrome extension that scans any webpage and instantly shows you an SEO score out of 100, your top issues ranked by severity, and a complete checklist of every SEO factor. No configuration. No account. No server calls — it reads the page DOM directly in your browser.

Click "View Full Report" to open a detailed audit page with social preview, heading tree, links analysis, image audit, and content stats — all organized in one readable layout.

How to Audit Any Page in 4 Steps

Install the Free Extension

Add SEO Checker to Chrome from the Chrome Web Store in under 30 seconds. No account or login required.

Visit Any Webpage

Navigate to any page you want to audit — your own site, a competitor, or any public URL.

Click the Extension Icon

Click SEO Checker in your Chrome toolbar. Your SEO score and top issues appear instantly.

View the Full Report

Click "View Full Report" to open the detailed audit page with heading structure, links, images, Open Graph, and structured data.

Install Free — Add to Chrome →

SEO Checker full report with meta tags and heading structure

Full SEO report with heading tree, links analysis, and image audit

What Gets Checked

The score starts at 100 and deducts points for every issue found:

Title tag — length, presence, and keyword placement
Meta description — length and presence
H1 heading — present and unique
HTTPS — secure connection status
Canonical URL — correct self-reference
Viewport meta tag — mobile friendliness
Image alt text — missing and empty attributes
Open Graph tags — title, description, image, URL
Structured data (Schema.org) — types detected
Language attribute — html lang set correctly

Who Uses SEO Checker?

SEO Professionals

Quickly audit client pages during site walkthroughs. Get an instant score and top issues at a glance — no need to open multiple tools.

Bloggers & Content Creators

Check your posts before publishing. Catch missing meta tags, bad title lengths, and image alt text issues in seconds.

Web Developers

Validate SEO during development. Catch technical issues like missing canonical tags, viewport problems, and structured data gaps before launch.

Marketers

Analyze competitor pages — see their meta tags, heading structure, Open Graph setup, and structured data types in one click.

Small Business Owners

Check your own site without needing a technical background. The score and issues list makes it easy to know what to fix.

Frequently Asked Questions

Is SEO Checker completely free? +

Yes, completely free. No account, no payment, no hidden fees. Install from the Chrome Web Store and audit any webpage immediately.

Does SEO Checker send my page data to a server? +

No. SEO Checker runs entirely in your browser — it reads the DOM of the active tab locally. No page content is sent to any server.

What does the SEO score check? +

The score starts at 100 and deducts points for missing or incorrect: title tag, meta description, H1 heading, HTTPS, canonical URL, viewport meta tag, image alt text, Open Graph tags, structured data, and language attribute.

Does it work on competitor websites? +

Absolutely. Navigate to any competitor webpage and click the extension to see their SEO score, meta tags, heading structure, and issues instantly.

What browsers does it support? +

SEO Checker works on Chrome, Brave, and Opera — any Chromium-based browser that supports Chrome extensions.

Can I see the full heading structure of a page? +

Yes. Click "View Full Report" to open a detailed SEO audit page that includes the complete heading tree (H1 through H6), links analysis, image audit, and content stats.

Audit Any Page's SEO in One Click

No account. No signup. Install in 30 seconds and get your first SEO score immediately.

Add to Chrome — It's Free →

Free forever · No signup · Works instantly

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