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.

PR-score:
3,778th place
8,796,811
-1,608,145
AR-score:
8,824th place
489,441
-911
F-score:
21,285th place
494
0

German Wikipedia (de)

PR-score:
255th place
7,708,564
-1,253,434
AR-score:
891st place
378,223
-1,038
F-score:
2,574th place
257
0

English Wikipedia (en)

PR-score:
21,533rd place
590,851
-94,321
AR-score:
31,207th place
44,984
-26
F-score:
36,453rd place
81
0

Spanish Wikipedia (es)

PR-score:
13,120th place
142,364
-58,039
AR-score:
19,214th place
10,269
+80
F-score:
32,103rd place
12
0

French Wikipedia (fr)

PR-score:
12,041st place
90,281
-17,700
AR-score:
13,207th place
15,492
+36
F-score:
32,323rd place
15
0

Russian Wikipedia (ru)

PR-score:
28,292nd place
54,515
-21,104
AR-score:
36,711th place
4,047
+60
F-score:
61,521st place
6
0

Dutch Wikipedia (nl)

PR-score:
4,493rd place
49,590
-8,033
AR-score:
9,028th place
5,106
+50
F-score:
12,521st place
5
0

Ukrainian Wikipedia (uk)

PR-score:
5,316th place
20,699
-78,460
AR-score:
19,247th place
1,390
0
F-score:
30,685th place
4
0

North Frisian Wikipedia (frr)

PR-score:
9th place
16,600
+6,600
AR-score:
110th place
700
0
F-score:
313th place
1
0

Bosnian Wikipedia (bs)

PR-score:
522nd place
14,575
-25,946
AR-score:
688th place
4,645
0
F-score:
957th place
15
0

Romanian Wikipedia (ro)

PR-score:
3,575th place
13,466
+583
AR-score:
3,655th place
3,300
0
F-score:
29,496th place
2
0

Italian Wikipedia (it)

PR-score:
36,525th place
12,875
-5,125
AR-score:
50,378th place
2,375
0
F-score:
50,892nd place
5
0

Serbo-Croatian Wikipedia (sh)

PR-score:
561st place
12,200
-11,500
AR-score:
9,927th place
200
0
F-score:
6,573rd place
4
0

Chinese Wikipedia (zh)

PR-score:
39,563rd place
11,884
+4,292
AR-score:
55,978th place
709
+201
F-score:
32,424th place
6
+2

Hungarian Wikipedia (hu)

PR-score:
9,867th place
8,180
-10,086
AR-score:
15,748th place
1,290
+1
F-score:
10,564th place
7
0

Portuguese Wikipedia (pt)

PR-score:
54,243rd place
6,343
+1,632
AR-score:
52,742nd place
1,170
0
F-score:
20,213th place
13
0

Polish Wikipedia (pl)

PR-score:
40,700th place
5,716
-27,567
AR-score:
38,916th place
1,500
0
F-score:
103,636th place
1
0

Bavarian Wikipedia (bar)

PR-score:
138th place
5,210
+370
AR-score:
1,486th place
260
0
F-score:
828th place
2
0

Low Saxon Wikipedia (nds)

PR-score:
101st place
4,982
+263
AR-score:
381st place
1,260
+2
F-score:
244th place
11
0

Persian Wikipedia (fa)

PR-score:
16,069th place
4,100
+1,100
AR-score:
48,357th place
200
0
F-score:
77,286th place
1
0

Arabic Wikipedia (ar)

PR-score:
29,210th place
3,225
-7,318
AR-score:
65,863rd place
425
-309
F-score:
63,613th place
2
-2

Luxembourgish Wikipedia (lb)

PR-score:
208th place
3,050
-1,400
AR-score:
455th place
2,250
0
F-score:
1,075th place
2
0

Mongolian Wikipedia (mn)

PR-score:
581st place
2,700
-4,300
AR-score:
817th place
1,000
0
F-score:
3,058th place
1
0

Slovak Wikipedia (sk)

PR-score:
7,439th place
1,800
-550
AR-score:
9,539th place
450
0
F-score:
16,094th place
1
0

Tajik Wikipedia (tg)

PR-score:
325th place
1,600
+700
AR-score:
170th place
2,600
0
F-score:
1,231st place
1
0

Malay Wikipedia (ms)

PR-score:
5,886th place
1,572
+517
AR-score:
6,611th place
577
0
F-score:
14,895th place
2
0

Indonesian Wikipedia (id)

PR-score:
27,031st place
1,436
+263
AR-score:
62,860th place
88
0
F-score:
50,841st place
1
0

Japanese Wikipedia (ja)

PR-score:
151,217th place
1,150
-25
AR-score:
154,363rd place
150
0
F-score:
212,773rd place
1
0

Simple English Wikipedia (simple)

PR-score:
13,065th place
900
-433
AR-score:
8,577th place
1,266
0
F-score:
28,478th place
1
0

Estonian Wikipedia (et)

PR-score:
7,600th place
733
+75
AR-score:
9,878th place
378
0
F-score:
2,574th place
15
0

Alemannic Wikipedia (als)

PR-score:
1,184th place
666
+266
AR-score:
3,009th place
133
0
F-score:
3,562nd place
1
0

Norwegian Wikipedia (no)

PR-score:
25,214th place
600
-50
AR-score:
51,535th place
150
0
F-score:
68,851st place
1
0

Armenian Wikipedia (hy)

PR-score:
9,310th place
537
-63
AR-score:
9,666th place
512
0
F-score:
33,625th place
1
0

Amharic Wikipedia (am)

PR-score:
162nd place
533
+267
AR-score:
192nd place
333
0
F-score:
308th place
1
0

Korean Wikipedia (ko)

PR-score:
35,038th place
477
+333
AR-score:
48,648th place
55
0
F-score:
45,896th place
1
0

Galician Wikipedia (gl)

PR-score:
6,599th place
475
+200
AR-score:
12,211th place
375
0
F-score:
25,676th place
1
0

Kurdish Wikipedia (ku)

PR-score:
801st place
400
+50
AR-score:
2,012th place
50
0
F-score:
2,210th place
1
0

Finnish Wikipedia (fi)

PR-score:
53,146th place
391
+96
AR-score:
68,598th place
169
0
F-score:
61,698th place
1
0

Slovenian Wikipedia (sl)

PR-score:
10,872nd place
337
-136
AR-score:
18,368th place
50
0
F-score:
11,783rd place
1
0

Asturian Wikipedia (ast)

PR-score:
9,244th place
280
+140
AR-score:
16,511th place
160
0
F-score:
41,266th place
1
0

Norwegian (Nynorsk) Wikipedia (nn)

PR-score:
4,558th place
250
+100
AR-score:
10,650th place
100
0
F-score:
14,463rd place
1
0

Bulgarian Wikipedia (bg)

PR-score:
31,368th place
162
-63
AR-score:
35,737th place
87
0
F-score:
40,159th place
1
0

Breton Wikipedia (br)

PR-score:
1,813th place
133
-133
AR-score:
2,142nd place
266
0
F-score:
3,199th place
1
0

Catalan Wikipedia (ca)

PR-score:
60,511th place
125
0
AR-score:
47,531st place
375
+25
F-score:
76,903rd place
1
0

Danish Wikipedia (da)

PR-score:
39,389th place
100
-88
AR-score:
35,773rd place
122
0
F-score:
25,709th place
1
0

Hebrew Wikipedia (he)

PR-score:
47,463rd place
93
-40
AR-score:
47,794th place
93
+7
F-score:
43,366th place
1
0

Macedonian Wikipedia (mk)

PR-score:
17,318th place
50
-31
AR-score:
20,717th place
31
0
F-score:
13,474th place
1
0

Afrikaans Wikipedia (af)

PR-score:
18,363rd place
14
0
AR-score:
13,543rd place
57
0
F-score:
18,033rd place
1
0

Bengali Wikipedia (bn)

PR-score:
38,992nd place
13
-47
AR-score:
45,125th place
5
0
F-score:
40,825th place
1
0

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).