Data Compression Proxy update for Chrome introduces whitelist and adblocker - gHacks Tech News

Data Compression Proxy update for Chrome introduces whitelist and adblocker

If you are using Google Chrome on Android, you may know that you can enable a data compression proxy to save bandwidth while you are browsing the Internet using the app.

This can be quite useful as it may speed up the loading times of sites you visit thanks to compression, and it may also reduce your monthly bandwidth bill as less data is transferred when the proxy is used.

This proxy is not supported officially on the desktop. While there is certainly less of a need on desktop systems to compress web pages, there are situations where this may speed up browsing as well.

The Data Compression Proxy extension for Chrome introduced support for Google's official compression technology on the desktop.

Introduced in the beginning of 2014, it allowed you to enable or disable the proxy to save bandwidth whenever you felt the need to do so.

The extension was updated recently by its author. The new version introduces several new features that new and future users of it will find useful.

First thing you will notice is that the interface has been improved. It lists all features that the extension supports and also statistics about proxy use.

data compression proxy

The new statistics module displays information about compressed and original traffic of the active session and in total, and a graph that highlights savings as well.

This for some reason did not work out too well during initial tests on Chrome Canary running on Windows 7 as more data was transferred while the proxy was active.

It is too early to tell if this is an issue or if this is based on how statistics are processed by the extension, but if you plan to use it, you should keep on eye on the figures to make sure it helps actually.

Two new options are displayed on the same page. The first allows you to add domains (using wildcards) that you want bypassed automatically so that the proxy is not used when connections are established to them.

This can be useful from a privacy or security point of view (since data is routed through Google servers when the proxy is active) but also when you notice that the proxy is not working correctly on a domain.

The second option introduces ad-blocking rules to the extension as well. You can add domains using formatting rules to block connections to select domains.

Both filter lists support wildcards and additional match patterns which you can look up on the Chrome Developer website.

Closing Words

The update introduces two interesting new features to the extension. Data Compression Proxy is mostly useful in low-bandwidth situations and if your data transfer rate is capped and not unlimited.

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Comments

  1. Richard Allen said on January 14, 2015 at 6:48 pm
    Reply

    I know that a hosts file will not work if data compression is enabled in Google Chrome for Android. Just curious if a hosts file will work with this extension but I’m thinking not.

    1. Jerzy said on January 14, 2015 at 9:47 pm
      Reply

      HOSTS works fine for me, since it is running at the DNS level, not HTTP.

  2. Jerzy said on January 14, 2015 at 9:45 pm
    Reply

    Thank you for your review of Data Compression Proxy! The stats work fine on my test devices, I have 40% total savings on average. The extension is open source, so you can check that it is counting both Content-Length and X-Original-Content-Length response headers. However, I will investigate your issue with negative stats. In case of any other problems, please file an issue on Google Code.

  3. infosec said on January 18, 2015 at 4:40 am
    Reply

    This will be useless soon as more and more websites transition to SSL.

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