Website Testing Tools

Once you’ve got a new site ready for launch it’s a good idea to run a number of tests to make sure it’s fast, secure, mobile-friendly and accessible. Here’s a list of some of my favourite services for site testing.

💻 General & Multipurpose

Performance, SEO, Social, Links, Popularity

• http://nibbler.silktide.com/

Auditing, performance metrics, and best practices for Progressive Web Apps

• https://github.com/GoogleChrome/lighthouse

Accessibility, security, interoperability and more

• https://sonarwhal.com/scanner/

⚡ Performance

Page Speed

• https://developers.google.com/speed/pagespeed/insights/

Performance

• https://www.webpagetest.org/

Pingdom Website Speed Test

• https://tools.pingdom.com/

Google’s Test Your Mobile Site’s Speed

• https://testmysite.withgoogle.com

GTMetrix PageSpeed Score

• https://gtmetrix.com/

🔐 Security

SSL Server Test

• https://www.ssllabs.com/ssltest

Content Security Policy (CSP) Validator

• https://cspvalidator.org

🙂 Social Media Tags and Schema Markup

OpenGraph (Facebook Login required)

• https://developers.facebook.com/tools/debug/sharing/

Open Graph Check

• http://opengraphcheck.com/

Twitter Cards (Twitter Login required)

• https://cards-dev.twitter.com/validator

Structured Data (Schema.org) Testing Tool

• https://search.google.com/structured-data/testing-tool/u/0/

Google Rich Results Test

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

📱 Mobile Friendliness

Bing Webmaster Mobile Friendliness Test Tool

• https://www.bing.com/webmaster/tools/mobile-friendliness

Google Mobile Friendly Test Tool

• https://search.google.com/test/mobile-friendly

Have I missed a site? Feel free to open a PR on this list at GitHub