Website testing made easy

Not familiar with your browser’s dev tools or looking something up in the HTML source code? We got you covered. Use the links on this page to quickly troubleshoot issues with your current website.

These tools are designed to test a single URL (you’ll probably want to start with your home page). If you’re interested in measuring all the URLs on your domain, Ahrefs Webmaster Tools is probably the best free (up to 10k pages) tool on the market.

Web privacy & security test

• https://webbkoll.dataskydd.net/
  Content Security Policy, Cookies, Third-party requests
• https://securityheaders.com/
• https://observatory.mozilla.org/

Web performance test

• https://pagespeed.web.dev/
  Core Web Vitals, Performance, Accessibility, Best Practices, SEO
• https://www.webpagetest.org/
  32 test locations worldwide, select browser, network connection, etc.

Uptime monitoring

• https://updown.io/ [Referral link]
  Get insight into how your website is performing over time and globally (8 locations).
  Have a look at our public status page.
  (Not free, but comes with a generous free credit package that should last for months. Plus, it’s a small, independent project that’s always worth supporting.)

Structured data testing

• https://validator.schema.org/
• https://search.google.com/test/rich-results

HTML markup testing

• https://validator.w3.org/

Test your websites carbon footprint

• https://www.websitecarbon.com/
  Have a look at the carbon results for this page 🎉

What does your page look like when it’s shared?

• https://metatags.io/

Wondering what your site is built with?

• https://builtwith.com/