A webpage is not always broken because of a large mistake. Small details can produce exactly this problem: debugging: download attribute is ignored. This guide shows you what to look for, a concrete fix, and how to check that it worked.
The Idea in Plain English
The download attribute is mainly useful for same-origin URLs or supported blob/data URLs; servers and browsers can override it.
You can test this using a small local HTML file. Change one part at a time and check the result in the browser before adding more code.
A Working Example
The first part shows a problem. The second part shows a safer or more accurate version. Compare them before reading the explanation.
<!-- Problem -->
<a href="https://other.example.net/file.pdf" download>Download PDF</a>
<!-- Corrected example -->
<a href="/files/guide.pdf" download="guide.pdf">Download our guide</a>What Each Part Does
- The anchor is a link when its href points to a destination.
- href is the URL or fragment destination of a link.
Before the fix, the browser can behave incorrectly or report a warning. After the change, test the exact failure rather than assuming the page is fixed.
Try It Yourself
Test on the deployment origin and check the response Content-Disposition header.
Common Beginner Mistakes
- Check the underlying cause before changing unrelated tags.
- Copying the code without checking whether its linked files or endpoints exist; sample addresses and file paths need real resources.
- Choosing a tag only because its default appearance looks right, without checking whether it describes the content correctly.
Key Takeaways
- The download attribute is mainly useful for same-origin URLs or supported blob/data URLs; servers and browsers can override it.
- Before the fix, the browser can behave incorrectly or report a warning. After the change, test the exact failure rather than assuming the page is fixed.
- Test the markup in a browser, and check accessibility and real-world behavior where relevant.