1. Protocol & Scheme Variations

Ensure your extension correctly filters and handles various URL schemes.

2. Absolute vs. Relative Paths

Test correct URL resolutions.

3. Internal vs. External Links

Understand domain scope and handling.

4. Anchor Fragments

Check anchors within page and cross-page.

5. Cyclic & Self Links

Prevent infinite loops and self-reference.

6. Mail & Telephone

Ensure proper filtering of special schemes.

7. Image & Media Links

Handle non-textual content links.

Image link that works

Broken link in image

8. JavaScript-driven Links

Distinguish between navigational and pseudo-links.

9. HTTP Status Code Playground

Check HTTP responses correctly.

10. Accessibility Attributes

11. Rel & Target Attributes

12. Security & Mixed Content