Rainer Ludwig Claisen

Rainer Ludwig Claisen - German chemist best known for his work with condensations of carbonyls and sigmatropic rearrangements (1851–1930). Article “Rainer Ludwig Claisen” in Catalan Wikipedia has 17.9 points for quality (as of July 1, 2025). The article contains 3 references and 4 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 0.94 points.

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

Since the creation of article “Rainer Ludwig Claisen”, its content was written by 15 registered users of Catalan Wikipedia and edited by 211 registered Wikipedia users in all languages.

The article is cited 6 times in Catalan Wikipedia and cited 208 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Catalan): #289 in May 2016
• Global: #57571 in July 2014

The highest popularity rank from 2008:

• Local (Catalan): #18811 in June 2019
• Global: #389763 in September 2017

There are 14 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	Esperanto (eo) Ludwig Claisen		32.0079
2	Armenian (hy) Լյուդվիգ Կլայզեն		27.3992
3	Ukrainian (uk) Людвіг Кляйзен		27.3373
4	German (de) Ludwig Claisen		22.6276
5	Arabic (ar) لودفيج كلايزن		18.7485
6	Russian (ru) Клайзен, Людвиг		18.2223
7	Catalan (ca) Rainer Ludwig Claisen		17.8844
8	English (en) Rainer Ludwig Claisen		15.5525
9	Italian (it) Rainer Ludwig Claisen		10.852
10	Slovak (sk) Rainer Ludwig Claisen		4.0888

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

The most popular language versions of the article "Rainer Ludwig Claisen" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Rainer Ludwig Claisen		76 726
2	German (de) Ludwig Claisen		34 343
3	Russian (ru) Клайзен, Людвиг		19 530
4	Italian (it) Rainer Ludwig Claisen		9 328
5	French (fr) Ludwig Claisen		6 745
6	Japanese (ja) ルートヴィヒ・クライゼン		6 000
7	Slovak (sk) Rainer Ludwig Claisen		4 603
8	Dutch (nl) Rainer Ludwig Claisen		4 201
9	Catalan (ca) Rainer Ludwig Claisen		1 749
10	Persian (fa) رینر لودویگ کلایزن		1 156

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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 "Rainer Ludwig Claisen" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Rainer Ludwig Claisen		213
2	German (de) Ludwig Claisen		58
3	Russian (ru) Клайзен, Людвиг		47
4	Japanese (ja) ルートヴィヒ・クライゼン		46
5	Armenian (hy) Լյուդվիգ Կլայզեն		36
6	Catalan (ca) Rainer Ludwig Claisen		34
7	Italian (it) Rainer Ludwig Claisen		20
8	Slovak (sk) Rainer Ludwig Claisen		12
9	French (fr) Ludwig Claisen		10
10	Dutch (nl) Rainer Ludwig Claisen		10

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

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

#	Language	AI award	Relative AI
1	German (de) Ludwig Claisen		45
2	English (en) Rainer Ludwig Claisen		38
3	Italian (it) Rainer Ludwig Claisen		28
4	French (fr) Ludwig Claisen		17
5	Catalan (ca) Rainer Ludwig Claisen		15
6	Armenian (hy) Լյուդվիգ Կլայզեն		11
7	Dutch (nl) Rainer Ludwig Claisen		11
8	Japanese (ja) ルートヴィヒ・クライゼン		9
9	Russian (ru) Клайзен, Людвиг		9
10	Esperanto (eo) Ludwig Claisen		8

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

Language versions of the article "Rainer Ludwig Claisen" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) لودفيج كلايزن		0
2	Catalan (ca) Rainer Ludwig Claisen		0
3	German (de) Ludwig Claisen		0
4	English (en) Rainer Ludwig Claisen		0
5	Esperanto (eo) Ludwig Claisen		0
6	Persian (fa) رینر لودویگ کلایزن		0
7	French (fr) Ludwig Claisen		0
8	Armenian (hy) Լյուդվիգ Կլայզեն		0
9	Italian (it) Rainer Ludwig Claisen		0
10	Japanese (ja) ルートヴィヒ・クライゼン		0

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

Language versions of the article "Rainer Ludwig Claisen" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Esperanto (eo) Ludwig Claisen		35
2	German (de) Ludwig Claisen		33
3	English (en) Rainer Ludwig Claisen		26
4	Russian (ru) Клайзен, Людвиг		26
5	French (fr) Ludwig Claisen		16
6	Italian (it) Rainer Ludwig Claisen		12
7	Japanese (ja) ルートヴィヒ・クライゼン		10
8	Dutch (nl) Rainer Ludwig Claisen		8
9	Slovak (sk) Rainer Ludwig Claisen		8
10	Ukrainian (uk) Людвіг Кляйзен		8

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#	Language	Value
ar	Arabic لودفيج كلايزن
ca	Catalan Rainer Ludwig Claisen
de	German Ludwig Claisen
en	English Rainer Ludwig Claisen
eo	Esperanto Ludwig Claisen
fa	Persian رینر لودویگ کلایزن
fr	French Ludwig Claisen
hy	Armenian Լյուդվիգ Կլայզեն
it	Italian Rainer Ludwig Claisen
ja	Japanese ルートヴィヒ・クライゼン
nl	Dutch Rainer Ludwig Claisen
ru	Russian Клайзен, Людвиг
sk	Slovak Rainer Ludwig Claisen
uk	Ukrainian Людвіг Кляйзен

Best Rank

Catalan: #18811 06.2019

Global: #389763 09.2017

Best Rank

Catalan: #289 05.2016

Global: #57571 07.2014

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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