Photosystem II

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Photosystem II

Quality:

Photosystem II - photosystem that contains a pheophytin-quinone reaction center with associated accessory pigments and electron carriers. Article “Photosystem II” in German Wikipedia has 24.6 points for quality (as of July 1, 2025). The article contains 4 references and 5 sections.

This article has the best quality in Malay Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “Photosystem II”, its content was written by 21 registered users of German Wikipedia and edited by 233 registered Wikipedia users in all languages.

The article is cited 48 times in German Wikipedia and cited 848 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #13248 in June 2011
  • Global: #21933 in May 2015

The highest popularity rank from 2008:

  • Local (German): #116726 in February 2019
  • Global: #151687 in October 2013

There are 20 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Malay (ms)
Fotosistem II
77.1143
2Russian (ru)
Фотосистема II
67.2981
3Ukrainian (uk)
Фотосистема II
53.2927
4Chinese (zh)
光系统 II
49.6663
5Estonian (et)
Fotosüsteem II
47.1144
6English (en)
Photosystem II
46.8955
7Korean (ko)
광계 II
37.0131
8Galician (gl)
Fotosistema II
33.9473
9Polish (pl)
Fotoukład II
25.184
10German (de)
Photosystem II
24.57
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Photosystem II" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Photosystem II
1 070 151
2German (de)
Photosystem II
123 225
3Russian (ru)
Фотосистема II
95 021
4Italian (it)
Fotosistema II
61 895
5French (fr)
Photosystème II
50 610
6Japanese (ja)
光化学系II
20 997
7Chinese (zh)
光系统 II
19 946
8Polish (pl)
Fotoukład II
18 102
9Czech (cs)
Fotosystém II
15 752
10Ukrainian (uk)
Фотосистема II
14 575
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Photosystem II" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Photosystem II
2 142
2Russian (ru)
Фотосистема II
342
3German (de)
Photosystem II
247
4Japanese (ja)
光化学系II
242
5Chinese (zh)
光系统 II
194
6Korean (ko)
광계 II
150
7Italian (it)
Fotosistema II
134
8French (fr)
Photosystème II
108
9Polish (pl)
Fotoukład II
65
10Czech (cs)
Fotosystém II
58
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Photosystem II" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Photosystem II
99
2Russian (ru)
Фотосистема II
31
3German (de)
Photosystem II
21
4Ukrainian (uk)
Фотосистема II
15
5Estonian (et)
Fotosüsteem II
12
6Italian (it)
Fotosistema II
10
7Polish (pl)
Fotoukład II
9
8Czech (cs)
Fotosystém II
6
9French (fr)
Photosystème II
6
10Chinese (zh)
光系统 II
5
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Photosystem II" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Russian (ru)
Фотосистема II
2
2Arabic (ar)
نظام ضوئي ثاني (II)
0
3Czech (cs)
Fotosystém II
0
4German (de)
Photosystem II
0
5English (en)
Photosystem II
0
6Estonian (et)
Fotosüsteem II
0
7French (fr)
Photosystème II
0
8Galician (gl)
Fotosistema II
0
9Indonesian (id)
Fotosistem II
0
10Italian (it)
Fotosistema II
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Photosystem II" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Photosystem II
304
2Chinese (zh)
光系统 II
130
3French (fr)
Photosystème II
83
4Russian (ru)
Фотосистема II
64
5German (de)
Photosystem II
48
6Galician (gl)
Fotosistema II
37
7Korean (ko)
광계 II
29
8Arabic (ar)
نظام ضوئي ثاني (II)
23
9Japanese (ja)
光化学系II
23
10Czech (cs)
Fotosystém II
21
More...

Scores

Estimated value for Wikipedia:
German:
Global:
Popularity in June 2025:
German:
Global:
Popularity in all years:
German:
Global:
Authors in June 2025:
German:
Global:
Registered authors in all years:
German:
Global:
Citations:
German:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
نظام ضوئي ثاني (II)
csCzech
Fotosystém II
deGerman
Photosystem II
enEnglish
Photosystem II
etEstonian
Fotosüsteem II
frFrench
Photosystème II
glGalician
Fotosistema II
idIndonesian
Fotosistem II
itItalian
Fotosistema II
jaJapanese
光化学系II
koKorean
광계 II
msMalay
Fotosistem II
plPolish
Fotoukład II
ruRussian
Фотосистема II
shSerbo-Croatian
Fotosistem II
simpleSimple English
Photosystem II
srSerbian
Fotosistem II
trTurkish
Fotosistem II
ukUkrainian
Фотосистема II
zhChinese
光系统 II

Popularity rank trends

Best Rank German:
#116726
02.2019
Global:
#151687
10.2013

AI rank trends

Best Rank German:
#13248
06.2011
Global:
#21933
05.2015

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Photosystem II from Wikipedia articles about Photosystem I, Photosynthesis, Light-dependent reactions, Photosystem and P680. Whereas reading the article about Photosystem II people most often go to Wikipedia articles on Photosystem I, Photosynthesis, Plastoquinone, Photosystem and Oxygen-evolving complex.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 28 January 2026

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In German Wikipedia the most popular articles on that day were: Whitney Houston, Fall Gil Ofarim, Gil Ofarim, Handball-Europameisterschaft der Männer 2026, Der neue Freund, Tova Friedman, Sven Schulze (Politiker, 1979), Liste der größten Auslegerbrücken, Bobbi Kristina Brown, Patricia Aulitzky.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information