One Click. Complete Website SEO Audit.
Analyze any website instantly with powerful SEO, accessibility, metadata, heading structure, links, schema and performance insights — directly from your browser.

Everything you need for on-page SEO
22+ comprehensive checks to audit any website directly from your browser. No sign-up, no subscriptions, no limits.
SEO Audit
Comprehensive SEO analysis of any webpage with detailed scoring and actionable recommendations.
Meta Tags
Analyze title tags, meta descriptions, and other essential metadata for search engine optimization.
Open Graph
Validate Open Graph protocol tags for perfect social media sharing previews on Facebook and more.
Twitter Cards
Check Twitter Card meta tags to ensure your content displays beautifully when shared on X/Twitter.
Heading Structure
Visualize the complete heading hierarchy (H1–H6) and detect structural issues that affect SEO.
Canonical URL
Verify canonical link tags to prevent duplicate content issues and consolidate page authority.
Broken Images
Detect broken or missing images across the page that could harm user experience and rankings.
Missing ALT Text
Find images without alt attributes that impact accessibility and image search optimization.
Links Checker
Analyze all internal and external links, detect broken links and identify linking patterns.
Redirect Detection
Identify URL redirects and redirect chains that slow down page loading and waste crawl budget.
Schema Detection
Detect and validate JSON-LD structured data markup for rich search result appearances.
Robots.txt
Check robots.txt configuration to ensure search engines can properly crawl your website.
Sitemap.xml
Verify sitemap presence and accessibility to help search engines discover all your pages.
Accessibility Checks
Run WCAG accessibility audits to ensure your website is usable by everyone, including assistive tech users.
Performance Insights
Get key performance metrics and optimization suggestions for faster page load times.
Image Optimization
Analyze image sizes, formats, and loading strategies to improve page speed and Core Web Vitals.
Duplicate IDs
Detect duplicate HTML element IDs that cause validation errors and JavaScript issues.
Missing Labels
Find form elements without associated labels that break accessibility and usability.
Viewport Validation
Validate viewport meta tag configuration for proper mobile rendering and responsive design.
Mobile Friendly
Check mobile responsiveness indicators including touch targets, font sizes, and viewport settings.
Export Report
Export comprehensive audit reports in multiple formats for sharing with clients and teams.
Title & Description
Analyze title and description length, keywords, and optimization for better click-through rates.
Get started in seconds
No sign-up, no configuration, no learning curve. Just install and click.
Open Any Website
Navigate to any website you want to audit in your Chrome browser.
Click OneClickSEO
Click the OneClickSEO icon in your browser toolbar to start the analysis.
View Complete Audit
Get a comprehensive SEO audit with actionable insights in under 2 seconds.
See OneClickSEO in action
Explore the intuitive interface that makes SEO auditing effortless.
Extension Popup Overview
Instant overview of website SEO score, heading counts, link details, and meta information.
OneClickSEO vs Traditional SEO Tools
See how OneClickSEO compares to traditional paid SEO platforms.
| Feature | OneClickSEO | Traditional Tools |
|---|---|---|
| Instant Analysis | ||
| Completely Free | ||
| No Login Required | ||
| Chrome Extension | ||
| Real-time Results | ||
| Privacy Friendly | ||
| On-Page SEO Audit | ||
| Export Reports |
Loved by developers & SEO pros
See what professionals say about OneClickSEO.
“OneClickSEO has become an essential part of my development workflow. I check every page before deployment — it catches meta tag issues, missing alt text, and heading structure problems that I would have missed. Incredibly fast and accurate.”
“I've used Screaming Frog, Ahrefs, and SEMrush for years, but OneClickSEO fills a gap none of them cover — instant, live page analysis right in the browser. Perfect for quick client audits and content review. It's the first tool I recommend to my team.”
“Our entire agency uses OneClickSEO. It's saved us hours on QA and client deliverables. The export feature is brilliant for including in our SEO reports. And the fact that it's free with no login? Unbeatable value for any web professional.”
Frequently asked questions
Everything you need to know about OneClickSEO.
OneClickSEO is a free Chrome extension that provides instant, comprehensive SEO audits for any website. It analyzes meta tags, headings, links, images, schema markup, accessibility, and performance — all directly in your browser with a single click.
Ready to improve your website SEO?
Install OneClickSEO today. Free, instant, and no sign-up required.
Works with Chrome, Brave, Edge, and all Chromium browsers.