Tools

General tools

1. Accessibility

   Color Contrast Finder

   Find colors and pass contrast ratio.

2. Accessibility

   Contrast text on image

   Emulate visual disabilities and contrast.

3. Accessibility

   Image Filter

   Check the contrast for the text that overlaps images.

4. Quality

   HTML Partial Page Validator

   Validate your page and any part of it separately.

5. Quality

   Squoosh

   Compress images on the client-side.

6. Security

   CSP Evaluator

   Check if a Content Security Policy (CSP) serves as a strong mitigation against cross-site scripting attacks.

7. Security

   SRI Hash Generator

   Subresource Integrity Hash Generator.

8. Security

   htaccess tester

   Test your .htaccess rewrite rules.

9. Security

   Random password generator

   Use the random password generator to create a secure password.

SiteLint’s lab

• See what’s supported mime-type returned by MediaRecorder.isTypeSupported.
• See what’s supported mime-type returned by canPlayType method for Audio and Video.
• Optimize image on the client-side.
• CSS background lazy loading.