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From SEO to performance, keeping your site optimized is no easy feat. Thankfully, there's Checkbot, the SEO, speed, and security tester for Chrome. Checking everything from broken links to duplicate content and insecure forms, this Chrome extension will tell you if you're following more than 50 of the web's current best practices on your site. You can test hundreds of pages in minutes, and Checkbot will tell you which fixes to make and why they're important. And, unlike other site checkers, Checkbot doesn't limit how many tests you can make: you're free to test as many sites as you want as often as you want!

Trusted by over 15,000 active users with an average user rating of 4.9 out of 5 on the Chrome Web Store!

  • Check hundreds of pages at once & identify fixes for SEO, speed & security
  • Scan your site for broken links, duplicate content, invalid HTML & more
  • Save time on testing by checking hundreds of pages w/ a single click as often as you want
  • Test local websites as you develop to stop website issues ever going live
  • Customize your crawls for more targeted checks
  • Use convenient shortcuts to list incoming links to a page, view page source code, show response headers, examine redirect chains & more
  • Easily share data & create reports by exporting URLs to CSV format


  • Softpedia: “Efficient, modern-looking, surprisingly flexible, in short, one of the best tools for website optimization.”
  • ProductHunt: #3 Product of the Day


  • Check 10,000 URLs per crawl
  • Unlimited crawls
  • Unlimited sites
  • Crawl localhost websites
  • CSV export and bulk export of reports
  • HTTP auth password support
  • Skip URLs by pattern and type during crawls
  • Customize crawler user-agent

System Requirements

  • Google Chrome

Important Details

  • SEO best practices tested:
    • Fix all broken page links
    • Use unique page titles
    • Eliminate duplicate pages
    • Use valid HTML, CSS, and JS
    • Avoid temporary redirects
    • Use human-readable URLs
    • And much more
  • Speed best practices tested:
    • Eliminate redirects chains
    • Avoid inlining CSS and JS
    • Minify CSS and JavaScript
    • Leverage browser caching
    • Enable server compression
    • Avoid render blocking scripts
    • And much more
  • Security best practices tested:
    • Use HTTPS on all pages
    • Avoid mixed content errors
    • Secure password forms
    • Enable HSTS preload
    • Turn on XSS protection
    • Disable type sniffing
    • And much more
  • Length of access: 1 year
  • Redemption deadline: redeem your code within 30 days of purchase
  • Access option: desktop
  • Number of devices: 1
  • Updates included
  • Version 1.0.2


  • Unredeemed licenses can be returned for store credit within 30 days of purchase. Once your license is redeemed, all sales are final.