Enable Data Reduction Proxy Server Experiment

Enable Data Reduction Proxy Server Experiment

Try Chrome’s Data Compression Proxy – Google Operating …

The latest version of Chrome Beta for Android added the experimental data compression feature. It’s not enabled by default, but here’s how you can try this feature:
1. open a new tab, type chromeflags in the address bar and tap “Go”
2. tap “Enable” next to the “data compression proxy” experiment (it’s the first one right now)
3. tap “Relaunch now”
After relaunching the browser, you can see how much data you’ve saved by opening a new tab, typing chromenet-internals and selecting the “Bandwidth” section in the left sidebar. Then visit different sites in a different tab and check the stats.
Google’s proxy is faster than Opera Mobile’s Turbo feature, while saving almost the same amount of data. For example, the savings for were 48. 9%, while Opera Mobile Turbo’s data savings were 50%. The savings for were 60. 3%, while Opera Mobile Turbo’s data savings were 57%. Chrome’s major advantage is that the proxy doesn’t slow down browsing, unlike Opera Mobile.
ChromeOpera Mobile
m48. 9%50%
m60. 3%57%
(desktop)5. 4%28%
Google says that “this feature has been shown to reduce data usage by 50% and speed up page load times on cellular networks. When the Data Compression Proxy feature is enabled, Chrome mobile opens a dedicated SPDY connection between your phone and one of the optimization servers running in Google’s datacenters and relays all HTTP requests over this connection. (… ) The browser-to-proxy connection runs over SSL, meaning that your browsing session is encrypted between your device and Google’s servers. ” HTTPS connections and pages loaded in the incognito mode don’t use the proxy. DNS lookups are performed by the proxy, while the images are converted to WebP and the resulting images are up to 80% smaller. “The proxy also performs intelligent compression and minification of HTML, JavaScript and CSS resources, which removes unnecessary whitespace, comments, and other metadata which are not essential to render the page. These optimizations, combined with mandatory gzip compression for all resources, can result in substantial bandwidth savings. ”
{ via Chromium blog}
How to Enable Data Compression Proxy in Chrome for Desktop

How to Enable Data Compression Proxy in Chrome for Desktop

Home / How To / How to Enable Data Compression Proxy in Chrome for Desktop Google has released latest Chrome browsers for Android and iOS that can significantly reduce data usage by using proxy servers hosted at Google. This feature is said to reduce the size of web pages by almost 50%. To enable data compression in Google Chrome, go to “Settings > Bandwidth Management > Reduce data usage” and activate the option (toggle the option).
Google Chrome’s data compression proxy is only available for Android and iOS, but there is a way to enable this feature to the desktop version. Install Data Compression Proxy for Google Chrome extension and it will enables the Chrome proxy for your dekstop version. You can check the data usage and the savings by visiting chromenet-internals/#bandwidth and one can also disable it by clicking the button from the toolbar.
Please note that this is an experimental extension for Google Chrome bringing Chrome Data Compression Proxy from mobile to desktop PCs. Also the extension is provided as is with no warranty and is not affiliated with Google.
How it works:
The extension sends all HTTP (but not HTTPS) traffic through Chrome Data Compression Proxy server, which uses SPDY protocol to speed up web browsing. Enabled state is indicated by a green icon. You can manually disable the proxy by clicking on the icon. When the proxy raises an error, it is being automatically disabled for 30 sec, so that the request can be resent.
How to Check Data Usage Statistics:
You can find the savings statistics at chromenet-internals/#bandwidth. If you wish to see the source code to help developing the extension, follow the link: The extension uses either chrome. webRequest (slower) in Chrome Stable or clarativeWebRequest (faster) in Chrome Beta/Dev, so ignore any warnings.
Chrome Beta for Android updated with password syncing and ...

Chrome Beta for Android updated with password syncing and …

Google launched a Chrome Beta channel for Android users earlier this year, and the latest update has some welcome usability tweaks — and an experimental data compression feature that the company says will result in “substantial” bandwidth savings. The update integrates both password and autofill syncing, so users of the mobile browser will be able to reap the same syncing benefits available on the desktop (the mobile app will only sync with the latest Chrome desktop Beta, and it may take a few days for the feature to go live).
Things get interesting with a new experimental feature, however. By typing chromeflags users can enable a new experimental data compression proxy. It’s based upon the SPDY (pronounced “speedy”) protocol that has already been built into the desktop version of Chrome. Essentially, when the feature is enabled Chrome Beta connects to a Google SPDY proxy server, which sends a streamlined and optimized version of a given page to the user. Images – which Google says make up 60 percent of the bytes transferred when surfing the web — are transcoded into the WebP format. Comments, metadata, and unnecessary whitespace are all culled from pages before being sent to users as well, and all resources undergo gzip compression.
According to a test Google ran last year, SPDY could result in pages loading 23 percent faster than using conventional methods. If you’re running Android 4. 0 or later and would like to try the new features for yourself, the latest beta is available now from the Play Store.

Frequently Asked Questions about enable data reduction proxy server experiment

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