No Empty iframes

Name: No Empty iframes
Author: Firefox user 14450717

By: Firefox user 14450717

Add an empty div to the body of any empty iframes. Supplemental addon to ShadowFox.

Download

Install

Features & Capabilities

Test Page

https://overdodactyl.github.io/ShadowFox/no_empty_iframes_testpage

What it does

No Empty iframes adds a blank div to any iframes that have an empty body.

That sounds useless...what's the point?

ShadowFox utilizes userContent.css and userChrome.css to create a universal dark theme for Firefox. In part, this means styling about:blank. A complication of this is that about:blank is also used for anonymous frames on webpages. Generally, iframes will contain content, making the following css rule specific enough:


html > body:empty { background-color: var(--in-content-page-background) !important; }

Some pages, however, have empty iframes that cause readability issues (see #222).

This extension injects an empty div into such iframes, allowing the rule above to work.

Better approaches?

If anyone has a better approach/workaround for this problem, I would appreciate any suggestions.

User Growth & Download Statistics

Add-on

By:

Firefox user 14450717

Daily users:

Version:

1.2resigned1 Last updated: 2024-04-26

Version code:

5732364

Creation date:

2018-11-24

Risk:

Content scripts matches:

<all_urls>

Size:

8.88KB

Email:

pa*****@gmail.com

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-07-10

Compare stats and ranking:

Ranking

# 150,376 ▼ 7,157

Other rankings

#46 in iframe keyword 8

For Developers

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Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Firefox user 14450717

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/no-empty-iframes/

Email:

pa*****@gmail.com

Website:

https://github.com/overdodactyl/ShadowFox/issues

Is No Empty iframes Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

No Empty iframes requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

No Empty iframes is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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