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Blackle vs. Google Monitor Power Consumption Tested

Blackle vs. Google Monitor Power Consumption Tested - PCSTATS
Abstract: Is the search page, Blackle.com, really an energy efficient alternative to Google? The theory is websites with black background save energy. PCSTATS finds out if this is a blatant green washing, or an earnest energy saving tweak for something we use every day.
Filed under: Beginners Guides Published:  Author: 
External Mfg. Website: Blackle Apr 02 2012   Max Page  
Home > Reviews > Beginners Guides > Blackle

Website Influence on monitor power consumption

Technology & PC Hardware Review - Measuring Website Energy Efficiency
(click to open) Website 19" CRT ADI Microscan E66 19" LCD Samsung 192MP
Anandtech.com 75.5 W 38.4 W
Arstechnica.com 72.5 W 37.9 W
Engadget.com 80.0 W 38.7 W
Cnet.com 79.9 W 38.6 W
Extremetech.com 78.8 W 38.3 W
HardOCP.com 69.2 W 36.3 W
HotHardware.com 75.0 W 38.1 W
PCMag.com 80.1 W 38.7 W
PCSTATS.com 78.0 W 38.5 W
PCworld.com 78.0 W 38.5 W
Sharkyextreme.com 78.1 W 38.2 W
Slashdot.org 79.0 W 38.4 W
TomsHardware.com 77.1 W 38.6 W
TheInquirer.net 80.7 W 38.6 W
TheRegister.co.uk 79.6 W 38.5 W
Xbitlabs.com 79.0 W 38.5 W
ZDnet.com 80.7 W 38.9 W

Tech Sites - Measuring Website Energy Efficiency
(click to open) Website 19" CRT ADI Microscan E66 19" LCD Samsung 192MP
AMD.com 79.5-81.3 W
(upper half of main page
cycles through
different colour flash
banner)
38.4-38.8 W
Apple.com 79.3 W 38.8 W
Intel.com 81.5 W 39.0 W

Social Networking - Measuring Website Energy Efficiency
(click to open) Website 19" CRT ADI Microscan 19" LCD Samsung 192MP
Boingboing.net 80.8 W 38.8 W
Craigslist.com 81.1 W 39.3 W
Dictionary.com 79.6 W 38.9 W
Digg.com 81.2 W 39.0 W
Facebook.com 82.7 W 38.2 W
Flickr.com 79.8 W 39.2 W
Hotmail.com 74.2 W 38.3 W
Myspace.com 78.5 W 38.8 W
MSN.com 78.1 W 38.9 W
Wikipedia.org 82.9 W 39.2 W
Youtube.com 81.2 W 39.0 W

News - Measuring Website Energy Efficiency
(click to open) Website 19" CRT ADI Microscan E66 19" LCD Samsung 192MP
news.BBC.co.uk 80.3 W 38.9 W

CBC.ca

79.7 W 39.1 W
CBC.ca/theHour 68.1 W 36.9 W
CNN.com 78.7 W 38.9 W
Forbes.com 77.9 W 38.9 W
Foxnews.com 79.8 W 39.2 W
NYTimes.com 79.8 W 39.2 W

Shopping - Measuring Website Energy Efficiency
(click to open) Website 19" CRT ADI Microscan E66 19" LCD Samsung 192MP
Amazon.com
(search "Computer")
81.5 W
(82.1 W)
38.4 W
(38.6 W)
Ebay.com
(search "Computer/desktop computer")
80.3 W
(81.7 W)
39.3 W
(39.3 W)
etsy.com
(search "T-Shirt")
80.8 W
(80.7 W)
39.4 W
(39.3 W)
Newegg.com
(search "processor")
79.5 W
(78.9 W)
39.4 W
(39.4 W)
Pricegrabber.com
(search "processor")
82.1 W
(81.1 W)
39.6 W
(39.5 W)
Pricewatch.com
(search "processor")
83.0 W
(82.7 W)
39.7 W
(39.7 W)
Resellerratings.com 81.7 W 39.6 W
Shopper.cnet.com
(search "processor")
80.3 W
(80.9 W)
39.6 W
(39.7 W)
Walmart.com
(search "computer")
81.0 W
(81.2 W)
39.8 W
(39.9 W)

Note that LCD and CRT monitor power draw figures are measured in Watts (w). The average value is recorded as the measurement usually fluctuated by +/- 0.8W.

There are a great many web designs on the internet and from the simple monitor power consumption tests shown here, a few general rules of thumb seem to hold water:
A) LCD monitors consume a lot less power compared to CRT displays and are the better, energy efficient monitor choice.
B) Websites with darker colours tend to cause the monitor to consume less power.
C) Flash and other moving bits cause monitor power draw to increase.
D) The worst result was a solid white screen (~85.1W on CRT / 38.4W on LCD)
E) The best result is a solid black screen (~63.6W on CRT / 34.0W on LCD)

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Contents of Article: Blackle
 Pg 1.  Blackle vs. Google Monitor Power Consumption Tested
 Pg 2.  — Website Influence on monitor power consumption

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