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 3,778^th 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 21,285^th place in June 2020. From Wikipedians' point of view, "ptb.de" is the 8,824^th 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.

PR-score:

3,778^th place

8,796,811

-1,608,145

AR-score:

8,824^th place

489,441

-911

F-score:

21,285^th place

494

0

German Wikipedia (de)

PR-score:

255^th place

7,708,564

-1,253,434

AR-score:

891^st place

378,223

-1,038

F-score:

2,574^th place

257

0

English Wikipedia (en)

PR-score:

21,533^rd place

590,851

-94,321

AR-score:

31,207^th place

44,984

-26

F-score:

36,453^rd place

81

0

Spanish Wikipedia (es)

PR-score:

13,120^th place

142,364

-58,039

AR-score:

19,214^th place

10,269

+80

F-score:

32,103^rd place

12

0

French Wikipedia (fr)

PR-score:

12,041^st place

90,281

-17,700

AR-score:

13,207^th place

15,492

+36

F-score:

32,323^rd place

15

0

Russian Wikipedia (ru)

PR-score:

28,292^nd place

54,515

-21,104

AR-score:

36,711^th place

4,047

+60

F-score:

61,521^st place

6

0

Dutch Wikipedia (nl)

PR-score:

4,493^rd place

49,590

-8,033

AR-score:

9,028^th place

5,106

+50

F-score:

12,521^st place

5

0

Bosnian Wikipedia (bs)

PR-score:

522^nd place

14,575

-25,946

AR-score:

688^th place

4,645

0

F-score:

957^th place

15

0

Estonian Wikipedia (et)

PR-score:

7,600^th place

733

+75

AR-score:

9,878^th place

378

0

F-score:

2,574^th place

15

0

Wikipedia Languages