URL Throttler

Name: URL Throttler
Rating: 3.3333 (3 reviews)
Author: Joseph Coyle

This simple and straightforward add-on allows you to delay network responses from a custom list of URLs for a specified amount of time.

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Features & Capabilities

URL Throttler is a simple yet powerful Chrome extension designed for developers and testers to simulate network delays on specific URLs. By allowing customized delays in network responses, this tool helps in testing race conditions and asynchronous behaviors in web applications. The extension supports importing and exporting configurations for various testing scenarios, making it flexible and user-friendly.

Open source and actively maintained, URL Throttler empowers users to control network timing and improve reliability by mimicking real-world latency situations. Its straightforward interface ensures ease of use while its customization options suit complex testing needs.

User Growth & Download Statistics

Add-on Developer Tools Programming

By:

Daily users:

Rating:

Version:

1.2 Last updated: 2024-07-24

Version code:

5781095

Creation date:

2024-03-17

Risk:

Permissions:

Host permissions:

<all_urls>

Content scripts matches:

Size:

78.81KB

Email:

jc*****@gmail.com

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-21

Compare stats and ranking:

Ranking

# 12,741 ▲ 167

Other rankings

#82 in response keyword 16 ▼ 1#180 in contribute keyword 8

For Developers

Monetize with App Pass Boost with Extension Booster

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:

Joseph Coyle

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/url-throttler/

Email:

jc*****@gmail.com

Website:

https://github.com/jcoyle37/URL-Throttler-2024

User Reviews

Does not seem to be working any more. Tried with *://localhost:8000/* and * with high delays.

by Fi*****, 2026-04-27

by ni*****, 2025-06-19

Great, exactly what I needed!

by ma*****, 2025-03-12

View all user reviews ›

Is URL Throttler 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.

URL Throttler requires some sensitive permissions that could impact your browser and data security. 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.

URL Throttler has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details

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