`-moz-force-broken-image-icon` CSS property

Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The -moz-force-broken-image-icon extended CSS property can be used to force the broken image icon to be shown even when a broken image has an alt attribute.

Syntax

-moz-force-broken-image-icon: 1;
-moz-force-broken-image-icon: 0;

/* Global values */
-moz-force-broken-image-icon: inherit;
-moz-force-broken-image-icon: initial;
-moz-force-broken-image-icon: revert;
-moz-force-broken-image-icon: revert-layer;
-moz-force-broken-image-icon: unset;

Values

This property is specified as the following value:

<integer>: A value of 1 means that the broken image icon is shown even if the image has an alt attribute. When the value 0 is used, the image will act as usual and only display the alt attribute.

Note: Even if the value is set to 1 the alt attribute will still be displayed, alongside the broken image icon.

Formal definition

Initial value	0
Applies to	images
Inherited	no
Computed value	as specified
Animation type	discrete

Formal syntax

-moz-force-broken-image-icon = <integer>

Examples

HTML

<img src="/broken/image/link.png" alt="Broken image link" />

CSS

img {
  -moz-force-broken-image-icon: 1;
  height: 100px;
  width: 100px;
}

Result

Note: The alt text may not be visible if -moz-force-broken-image-icon is set to 1 and the image has no (or too small) height or width set.

Notes

This property will only work in Gecko-based browsers.
The use of this property is not recommended. A proper alt attribute should be used instead.

Specifications

Not part of any standard.

Browser compatibility

	Desktop					Mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`-moz-force-broken-image-icon`	No	No	1	No	No	No	4	No	No	No	No	No