S-Layer

S-layer - part of the cell envelope found in almost all archaea and in many types of bacteria. Article “S-Layer” in German Wikipedia has 40.3 points for quality (as of July 1, 2025). The article contains 27 references and 5 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (German) language version.

Since the creation of article “S-Layer”, its content was written by 45 registered users of German Wikipedia and edited by 197 registered Wikipedia users in all languages.

The article is cited 19 times in German Wikipedia and cited 408 times in all languages.

The highest Authors Interest rank from 2001:

• Local (German): #5502 in March 2025
• Global: #24434 in February 2013

The highest popularity rank from 2008:

• Local (German): #121656 in February 2009
• Global: #249061 in February 2015

There are 18 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.

#	Language	Quality grade	Quality score
1	English (en) S-layer		65.9409
2	German (de) S-Layer		40.2922
3	French (fr) Couche S		34.7075
4	Arabic (ar) طبقة S		34.0158
5	Chinese (zh) S層		33.99
6	Persian (fa) لایه سطحی		27.0645
7	Russian (ru) S-слой		27.0498
8	Czech (cs) S-vrstva		24.3014
9	Indonesian (id) Lapisan-S		24.1333
10	Catalan (ca) Capa S		23.3026

More...

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

The most popular language versions of the article "S-Layer" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) S-layer		370 613
2	Spanish (es) Capa S		130 675
3	German (de) S-Layer		68 807
4	French (fr) Couche S		27 509
5	Japanese (ja) S層		25 714
6	Russian (ru) S-слой		21 753
7	Italian (it) S-Layer		17 909
8	Persian (fa) لایه سطحی		15 731
9	Chinese (zh) S層		10 113
10	Ukrainian (uk) S-шар		6 733

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

The most popular language versions of the article "S-Layer" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) S-layer		623
2	German (de) S-Layer		83
3	Japanese (ja) S層		67
4	Italian (it) S-Layer		62
5	Spanish (es) Capa S		51
6	Chinese (zh) S層		50
7	French (fr) Couche S		39
8	Russian (ru) S-слой		33
9	Persian (fa) لایه سطحی		27
10	Catalan (ca) Capa S		23

More...

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

Language versions of the article "S-Layer" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) S-layer		48
2	German (de) S-Layer		45
3	Italian (it) S-Layer		25
4	French (fr) Couche S		14
5	Turkish (tr) S-tabakası		10
6	Spanish (es) Capa S		8
7	Russian (ru) S-слой		7
8	Japanese (ja) S層		6
9	Galician (gl) Capa S		5
10	Dutch (nl) S-laag		5

More...

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

Language versions of the article "S-Layer" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) S-layer		1
2	Arabic (ar) طبقة S		0
3	Catalan (ca) Capa S		0
4	Czech (cs) S-vrstva		0
5	German (de) S-Layer		0
6	Spanish (es) Capa S		0
7	Persian (fa) لایه سطحی		0
8	French (fr) Couche S		0
9	Galician (gl) Capa S		0
10	Indonesian (id) Lapisan-S		0

More...

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

Language versions of the article "S-Layer" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) S-layer		106
2	Persian (fa) لایه سطحی		78
3	Russian (ru) S-слой		50
4	Chinese (zh) S層		38
5	Japanese (ja) S層		26
6	Galician (gl) Capa S		24
7	Spanish (es) Capa S		21
8	German (de) S-Layer		19
9	French (fr) Couche S		15
10	Catalan (ca) Capa S		8

More...

#	Language	Value
ar	Arabic طبقة S
ca	Catalan Capa S
cs	Czech S-vrstva
de	German S-Layer
en	English S-layer
es	Spanish Capa S
fa	Persian لایه سطحی
fr	French Couche S
gl	Galician Capa S
id	Indonesian Lapisan-S
it	Italian S-Layer
ja	Japanese S層
nl	Dutch S-laag
nn	Norwegian (Nynorsk) S-lag
ru	Russian S-слой
tr	Turkish S-tabakası
uk	Ukrainian S-шар
zh	Chinese S層

Best Rank

German: #121656 02.2009

Global: #249061 02.2015

Best Rank

German: #5502 03.2025

Global: #24434 02.2013

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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