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Press enquiries:
Sean Wilson
Based in Edinburgh, United Kingdom.
Release date:
Open beta released on 1 February 2018.
Checkbot is a Chrome extension that works on Chrome OS, macOS, Windows and Linux.

Short description

Checkbot is a Google Chrome extension that will boost the SEO, speed and security of your website by checking your site follows 50+ web best practices. In a couple of clicks, you can check 1,000s of pages for broken links, duplicate content, invalid HTML/CSS/JavaScript, insecure password forms, redirect chains and more. Test any site you want as often as you want including sites so you can catch critical website issues before they impact your users or search results.

Extended description

Checkbot is a Google Chrome extension that will boost the SEO, speed and security of your website by checking you’re following 50+ web best practices. Checkbot lets you effortlessly test 1,000s of pages in minutes to let you know how to improve your website based on guidelines recommended by web experts such as Google, Mozilla and W3C. Rated 4.9 out of 5 by users on the Chrome Web Store, Checkbot gives you all the tools you need to track down, understand and eliminate critical website issues.

Checkbot will uncover broken links, duplicate content issues, invalid HTML/CSS/JavaScript, insecure password forms, performance killing redirect chains and much more. After you think you’ve fixed an issue found by Checkbot, simply ask Checkbot to test the URL again and get instant feedback to confirm your changes have solved the problem. Not a web expert? That’s not a problem because the comprehensive Checkbot Web Developer Guide describes the 50+ best practices Checkbot automatically tests for, why each rule is important and what changes you need to make if a problem is found.

Checkbot will become an essential part of your web development toolkit you can use at all stages of development. You can perform crawls with Checkbot on an unlimited number of sites as often as you want including local development sites and password protected staging sites. This lets you identify and fix problems as they occur during development which keeps critical problems away from your live site so you can keep your users happy and prevent your search rank from taking a hit.

Key benefits

Checkbot will become an essential part of your workflow for identifying problems early and guiding optimisations:

  • Boost your SEO, speed and security - Checkbot will guide you on how to craft a highly optimized website: improve your search rank, accelerate your pages and harden your security to make the most out of your site.

  • Save time on manual testing - Don’t waste time on tedious manual checks: Checkbot can effortlessly and reliably check thousands of pages for you in minutes .

  • Stop problems before they go live - Don’t wait for critical issues to impact your users or search rank: test your development and staging sites with Checkbot to catch problems before they make it to production.

  • Uncover hard to spot problems - Discover critical issues lurking in places you didn’t think to check: Checkbot’s crawling ability and comprehensive set of tests will root out problems you’ve missed.

  • Check all the sites you work on - Checkbot lets you crawl all the sites you want as often as you want: check every site you’re involved with after every change to keep on top of issues.

  • Get immediate feedback - Don’t wait days for your search results or Google Search Console to update to see what your changes did: test your site with Checkbot for instant feedback.

Key features

Checkbot gives you all the tools you need to track down, understand and fix website issues:

  • Quick & easy to install - Add Checkbot to Chrome in seconds with only two clicks: use Checkbot anywhere you run Chrome alongside your favourite Chrome web development tools.

  • Investigate issues - Track down problems with ease: use convenient shortcuts to view page source code, show URL response headers, list inlinks to a URL and examine redirect chains.

  • Explore your site - Browse all URLs found during a crawl: show your most linked to pages, list all image/JS/CSS files, review non-indexable pages, explore all redirects and more.

  • Check private & local sites - Easily check your site in all stages of development: crawl staging and local development sites, password protected pages and sites on private networks.

  • Customise crawls - Focus your testing on the parts of your site you’re currently interested in: limit the URLs crawled by subdomain, subfolder, search depth, pattern and type.

  • Export to CSV - Export lists of URLs with problems to CSV format: share the data with team members, compile custom reports and perform your own further analysis.

  • Get quick feedback - Think you’ve fixed a page that had an issue? Quickly verify your fix by recrawling only that page for fast feedback without having to crawl the entire site again.

  • In-app guidance - Not an expert? No problem: Checkbot tracks down website issues for you, explains why you need to fix them and confirms your fixes worked.

Background story

Checkbot was developed by independent software developer Sean Wilson from Edinburgh, UK who has a background as a full stack website developer. While working as a consultant on web projects over several years, Sean built up a collection of small tools to automate away tedious and unreliable manual testing that had to be done day-to-day to identify and fix website issues. These tools were eventually combined and expanded upon to create Checkbot for Chrome. Checkbot aims to be a comprehensive and user-friendly web development tool that makes it easy to follow current SEO, speed and security best practices for websites.

About the developer

Checkbot was developed by Sean Wilson from Edinburgh, UK. Sean grew up in Edinburgh and has been a passionate developer since a young age. He attended Edinburgh University and obtained a Bachelor of Engineering in Software Engineering and a PhD in Software Verification. After working as a computer science researcher and being employed as a cloud computing consultant, he went on to work for himself as a freelance full stack developer creating web and mobile apps. Sean has a diverse coding background using languages such as OCaml, Java, C, C++, JavaScript, TypeScript, Python and Coq.



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In a couple of clicks, Checkbot for Chrome can test if your whole website follows
the 50+ best practices from our SEO, security and speed guides.

Try Checkbot now