Operculum (mollusken)

Operculum - hard structure which closes the aperture of a gastropod when the animal retreats into the shell. Article "Operculum (mollusken)" in Dutch Wikipedia has 18.7 points for quality (as of November 1, 2023). The article contains 0 references and 5 sections.

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

Since the creation of article "Operculum (mollusken)", its content was written by 22 registered users of Dutch Wikipedia and edited by 215 registered Wikipedia users in all languages.

The article is cited 143 times in Dutch Wikipedia and cited 3847 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Dutch): #2700 in September 2021
• Global: #47735 in August 2010

The highest popularity rank from 2008:

• Local (Dutch): #136423 in October 2013
• Global: #132259 in August 2010

There are 16 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 November 1, 2023 (including revision history and pageviews for previous years).

下表顯示了最高品質的文章的語言版本。

#	Language	Quality grade	Quality score
1	English (en) Operculum (gastropod)		41.7069
2	Portuguese (pt) Opérculo (gastrópode)		37.3819
3	Catalan (ca) Opercle (gasteròpodes)		28.3077
4	Galician (gl) Opérculo (gasterópodos)		24.9682
5	Spanish (es) Opérculo (gasterópodos)		22.5601
6	Russian (ru) Оперкулум (брюхоногие)		19.8776
7	Dutch (nl) Operculum (mollusken)		18.685
8	German (de) Operculum		16.624
9	Chinese (zh) 螺厣		14.5294
10	Bulgarian (bg) Оперкулум (мекотели)		13.0513

More...

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

The most popular language versions of the article "Operculum (mollusken)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Operculum (gastropod)		627 554
2	German (de) Operculum		223 736
3	Italian (it) Opercolo		173 983
4	Russian (ru) Оперкулум (брюхоногие)		34 465
5	Spanish (es) Opérculo (gasterópodos)		19 981
6	French (fr) Opercule (mollusque)		17 077
7	Polish (pl) Wieczko (konchiologia)		15 453
8	Czech (cs) Operkulum		14 107
9	Portuguese (pt) Opérculo (gastrópode)		13 078
10	Dutch (nl) Operculum (mollusken)		12 481

More...

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 "Operculum (mollusken)" in October 2023

#	Language	Popularity award	Relative popularity
1	English (en) Operculum (gastropod)		4 042
2	German (de) Operculum		867
3	Italian (it) Opercolo		352
4	Russian (ru) Оперкулум (брюхоногие)		255
5	French (fr) Opercule (mollusque)		217
6	Spanish (es) Opérculo (gasterópodos)		159
7	Portuguese (pt) Opérculo (gastrópode)		138
8	Chinese (zh) 螺厣		91
9	Czech (cs) Operkulum		59
10	Dutch (nl) Operculum (mollusken)		55

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Operculum (gastropod)		55
2	German (de) Operculum		44
3	Italian (it) Opercolo		29
4	Dutch (nl) Operculum (mollusken)		22
5	Russian (ru) Оперкулум (брюхоногие)		17
6	Catalan (ca) Opercle (gasteròpodes)		9
7	Czech (cs) Operkulum		9
8	French (fr) Opercule (mollusque)		9
9	Polish (pl) Wieczko (konchiologia)		5
10	Greek (el) Επιπωμάτιο (γαστερόποδα)		3

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 "Operculum (mollusken)" with the highest AI in October 2023

#	Language	AI award	Relative AI
1	Bulgarian (bg) Оперкулум (мекотели)		0
2	Catalan (ca) Opercle (gasteròpodes)		0
3	Czech (cs) Operkulum		0
4	German (de) Operculum		0
5	Greek (el) Επιπωμάτιο (γαστερόποδα)		0
6	English (en) Operculum (gastropod)		0
7	Spanish (es) Opérculo (gasterópodos)		0
8	French (fr) Opercule (mollusque)		0
9	Galician (gl) Opérculo (gasterópodos)		0
10	Italian (it) Opercolo		0

More...

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

Language versions of the article "Operculum (mollusken)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Operculum (gastropod)		2 489
2	Italian (it) Opercolo		358
3	German (de) Operculum		250
4	Portuguese (pt) Opérculo (gastrópode)		218
5	Dutch (nl) Operculum (mollusken)		143
6	Chinese (zh) 螺厣		87
7	French (fr) Opercule (mollusque)		79
8	Spanish (es) Opérculo (gasterópodos)		60
9	Polish (pl) Wieczko (konchiologia)		53
10	Russian (ru) Оперкулум (брюхоногие)		49

More...

#	Language	Value
bg	Bulgarian Оперкулум (мекотели)
ca	Catalan Opercle (gasteròpodes)
cs	Czech Operkulum
de	German Operculum
el	Greek Επιπωμάτιο (γαστερόποδα)
en	English Operculum (gastropod)
es	Spanish Opérculo (gasterópodos)
fr	French Opercule (mollusque)
gl	Galician Opérculo (gasterópodos)
it	Italian Opercolo
lt	Lithuanian Operkulas
nl	Dutch Operculum (mollusken)
pl	Polish Wieczko (konchiologia)
pt	Portuguese Opérculo (gastrópode)
ru	Russian Оперкулум (брюхоногие)
zh	Chinese 螺厣

Best Rank

Dutch: #136423 10.2013

Global: #132259 08.2010

Best Rank

Dutch: #2700 09.2021

Global: #47735 08.2010

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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 November, 2023. When calculating current popularity and AI of articles data from October 2023 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information