Replace Google CDN

Name: Replace Google CDN
Rating: 4.8667 (30 reviews)
Author: DeBao.Wu

By: DeBao.Wu

Replace Google CDN with USTC CDN.

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Features & Capabilities

The Replace Google CDN Chrome extension substitutes Google CDN URLs with the University of Science and Technology of China's (USTC) CDN addresses for websites using Google CDN APIs. This helps accelerate website loading and access, particularly for users in China, by directing requests through USTC's faster domestic network. For example, it replaces ajax.googleapis.com with USTC's CDN to speed up sites like StackOverflow.

This extension is especially useful for developers or users frequently accessing sites reliant on Google CDN resources and seeking improved loading times within regions where Google's CDN is slower or restricted. Originally developed by the author at justjavac, this tool seamlessly ensures a better browsing experience through smart CDN URL replacements.

User Growth & Download Statistics

Add-on Developer Tools

By:

Daily users:

Rating:

Version:

0.3.1resigned1 Last updated: 2024-04-25

Version code:

5726777

Creation date:

2016-03-14

Risk:

Permissions:

Size:

51.12KB

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-16

Compare stats and ranking:

Ranking

# 4,691 ▼ 37

Other rankings

#67 in replace keyword 18 ▲ 1#109 in replay keyword 15 ▼ 1#177 in reply keyword 10 ▼ 4

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:

DeBao.Wu

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/replace-google-cdn/

User Reviews

Replace Google CDN Firefox add-on is praised for improving loading speeds and enabling access to many websites that struggle to load under normal conditions, especially in mainland China. Users appreciate its simplicity and effectiveness in bypassing Google CDN restrictions. However, some users report display problems on certain webpages and the need to manually adjust advanced browser settings, which can be complicated. It also has limitations with CAPTCHA verification pages. Overall, it is considered a very useful tool with some configuration and compatibility caveats.

Pros

Effectively improves website loading speed, especially for accessing foreign sites from mainland China.
Solves loading issues for many websites that otherwise fail to load properly.
Simple and small extension with significant utility.
Helps bypass Google CDN to enable better connectivity in restricted regions.

Cons

Causes layout and display issues on certain websites like Google Flutter Chinese documentation.
Requires manual configuration changes in Firefox about:config to function fully, which may be complex for some users.
Does not work properly with CAPTCHA pages on some sites.

Recent reviews

by co*****, 2026-02-26

by 天灭*****, 2025-03-30

by 天灭*****, 2025-02-12

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Is Replace Google CDN 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.

Replace Google CDN 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.
High ****** *** ********* ** ******* *** ******* ******* ** ****** *** *** ******** ******

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.

Replace Google CDN 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.
Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
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