Blackle

Type of site

| Search engine
Available in| English
Owner| Heap Media Australia
Created by| Toby Heap[1]
Website| www.blackle.com
Commercial| Yes
Registration| No
Launched| January 2007; 19 years ago (2007-01)
Current status| Active

Blackle is an internet search engine powered by Google Programmable Search Engine. Blackle was created by Tony Heap of Heap Media Australia, which aims to save energy by displaying a black background with a grayish-white text color on search results.[2] Blackle claims to have saved over 10.07 MWh of electrical energy as of July 2023.[3]

## Contents

* 1 Concept
* 2 History
* 3 See also
* 4 References
* 5 External links

## Concept

The concept behind Blackle is that computer monitors can be made to use less energy by displaying much darker colors. Blackle is based on a study which tested a variety of CRT and LCD monitors. However, these claims are disputed over whether there are any energy saving effects, especially for users of LCD screens, where there is a constant backlight.[4][5][6]

This concept was first brought to the attention of Heap Media by a blog post, which estimated that Google could save 750 megawatt hours a year by using it for CRT screens.[1][7] The homepage of Blackle provides a count of the number of watt hours claimed to have been saved by enabling this concept.

## History

The Blackle Homepage (as of April 2007)

Blackle launched in January 2007. During this time, Blackle gained popularity and was featured in multiple mainstream media outlets.[citation needed]

Blackle international, which translated Blackle into Portuguese, French, Czech, Italian, and Dutch was retired in 2019. While the International page is still up, every link listed has experienced link rot. As of 2021, the site is only available in English.[8]

## See also

* Light-on-dark color scheme
* Performance per watt
* Comparison of web search engines
* List of search engines
* List of search engines by popularity

## References

1. ↑ 1.0 1.1 Moses, Asher (2007-08-01). "Search site cashes in on eco-guilt". The Sydney Morning Herald. https://www.smh.com.au/news/web/search-site-cashes-in-on-ecoguilt/2007/08/01/1185647951527.html.
2. ↑ "About Blackle - Energy Saving Search". http://www.blackle.com/about/.
3. ↑ "Home". http://www.blackle.com/.
4. ↑ Roberson, Bobby; Homan, Josh; Mahaja, Gage; Nordman, Larry; Webber, Carrie; Brown, Ricardo; McWhinney, Marla; Koomey, Cainan (June 2001). "Energy Use and Power Levels in New Monitors and Personal Computers". http://enduse.lbl.gov/Info/LBNL-48581.pdf.
5. ↑ Monitor Energy Information for Energy Star, United States Department of Energy
6. ↑ Weihl, Bill (August 9, 2007). "Is black the new green?". Official Google Blog. Google, Inc.. http://googleblog.blogspot.com/2007/08/is-black-new-green.html.
7. ↑ Black Google Would Save 750 Megawatt-hours a Year, by ecoIron. The blog post by that inspired Blackle.
8. ↑ "Blackle - International sites". http://blackle.com/international/.

## External links

* v
* t
* e

Web search engines

Active|

* AOL
* Ahmia
* Ask.com
* Baidu
* Bing
* Blackle
* Dogpile
* DuckDuckGo
* Ecosia
* Exalead
* Excite
* Fireball
* GenieKnows
* Gigablast
* Google
* HotBot
* Info.com
* Kiddle
* KidRex
* KidzSearch
* Lycos
* MetaGer
* Mojeek
* Naver
* Qwant
* Parsijoo
* SAPO
* Searx
* Seznam.cz
* Sogou
* Sputnik
* Startpage
* Swisscows
* WebCrawler
* YaCy
* Yahoo!
* Yandex
* Yippy
* Yooz
* Youdao

Inactive|

* 123people
* A9.com
* Aliweb
* AlltheWeb
* AltaVista
* Blekko
* Boogami
* Cuil
* Empas
* Forestle
* Go.com
* Infoseek
* Inktomi
* Ixquick
* JumpStation
* LeapFish
* Mugurdy
* Northern Light
* Powerset
* Scroogle
* SearchMe
* Soso
* Teoma
* Viewzi
* Vivisimo
* Volunia
* W3Catalog
* Wikiseek
* Yebol

* Comparison
* Complete list

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