ptb.de
The Physikalisch-Technische Bundesanstalt is the national metrology institute of the Federal Republic of Germany, with scientific and technical service tasks. It is a higher federal authority and a public-law institution directly under federal government control, without legal capacity, under the auspices of the Federal Ministry for Economic Affairs and Energy. More information...
Multilingual Wikipedia
In June 2020 the website ptb.de was on the 3,778th place in the ranking of the most reliable and popular sources in multilingual Wikipedia from readers' point of view (PR-score). If we consider only frequency of appearance of this source in references of Wikipedia articles (F-score), this website was on the 21,285th place in June 2020. From Wikipedians' point of view, "ptb.de" is the 8,824th most reliable source in different language versions of Wikipedia (AR-score).
The website is placed before radiosvoboda.org and after juridicas.com in multilingual PR ranking of the most reliable sources in Wikipedia.
3,778th place 8,824th place 21,285th placeGerman Wikipedia (de)
255th place 891st place 2,574th placeEnglish Wikipedia (en)
21,533rd place 31,207th place 36,453rd placeSpanish Wikipedia (es)
13,120th place 19,214th place 32,103rd placeFrench Wikipedia (fr)
12,041st place 13,207th place 32,323rd placeRussian Wikipedia (ru)
28,292nd place 36,711th place 61,521st placeDutch Wikipedia (nl)
4,493rd place 9,028th place 12,521st placeBosnian Wikipedia (bs)
522nd place 688th place 957th placeEstonian Wikipedia (et)
7,600th place 9,878th place 2,574th placeWikipedia Languages
- ar Arabic
- az Azerbaijani
- be Belarusian
- bg Bulgarian
- ca Catalan
- cs Czech
- da Danish
- de German
- el Greek
- en English
- eo Esperanto
- es Spanish
- et Estonian
- eu Basque
- fa Persian
- fi Finnish
- fr French
- gl Galician
- he Hebrew
- hi Hindi
- hr Croatian
- hu Hungarian
- hy Armenian
- id Indonesian
- it Italian
- ja Japanese
- ka Georgian
- kk Kazakh
- ko Korean
- la Latin
- lt Lithuanian
- ms Malay
- nl Dutch
- nn Norwegian (Nynorsk)
- no Norwegian
- pl Polish
- pt Portuguese
- ro Romanian
- ru Russian
- sh Serbo-Croatian
- simple Simple English
- sk Slovak
- sl Slovenian
- sr Serbian
- sv Swedish
- ta Tamil
- th Thai
- tr Turkish
- uk Ukrainian
- ur Urdu
- uz Uzbek
- vi Vietnamese
- vo Volapük
- zh Chinese
- zh-min-nan Min Nan
- More languages...
About project
Popularity and reliability assessment of sources in references of Wikipedia in different languages. Data extraction based on complex method using Wikimedia dumps in July 2020. To find the most popular and reliable sources we used information about over 200 million references of Wikipedia articles. More details in the research "Modeling Popularity and Reliability of Sources in Multilingual Wikipedia". Values for PR-score and AR-score were additinaly increased 100 times (to distinguish smaller values in the ranking).