Todd class

Todd class - characteristic class in algebraic topology. Article “Todd class” in English Wikipedia has 15.4 points for quality (as of July 1, 2025). The article contains 1 references and 8 sections.

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

Since the creation of article “Todd class”, its content was written by 25 registered users of English Wikipedia and edited by 58 registered Wikipedia users in all languages.

The article is cited 27 times in English Wikipedia and cited 65 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #192259 in March 2005
• Global: #146057 in September 2018

The highest popularity rank from 2008:

• Local (English): #439247 in September 2018
• Global: #645152 in September 2018

There are 9 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	Greek (el) Κλάση Τοντ		20.975
2	English (en) Todd class		15.3708
3	Japanese (ja) トッド類		12.8317
4	Korean (ko) 토드 특성류		12.2478
5	Russian (ru) Класс Тодда		8.5618
6	Portuguese (pt) Classe de Todd		7.3878
7	French (fr) Classe de Todd		3.5767
8	German (de) Todd-Klasse		2.9888
9	Ukrainian (uk) Клас Тодда		1.1929

More...

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

The most popular language versions of the article "Todd class" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Todd class		99 901
2	German (de) Todd-Klasse		6 710
3	Russian (ru) Класс Тодда		3 285
4	Japanese (ja) トッド類		2 907
5	French (fr) Classe de Todd		2 826
6	Korean (ko) 토드 특성류		1 975
7	Portuguese (pt) Classe de Todd		291
8	Ukrainian (uk) Клас Тодда		94
9	Greek (el) Κλάση Τοντ		72

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 "Todd class" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Todd class		636
2	Japanese (ja) トッド類		61
3	French (fr) Classe de Todd		24
4	German (de) Todd-Klasse		19
5	Russian (ru) Класс Тодда		19
6	Ukrainian (uk) Клас Тодда		11
7	Greek (el) Κλάση Τοντ		9
8	Korean (ko) 토드 특성류		7
9	Portuguese (pt) Classe de Todd		5

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Todd class		25
2	German (de) Todd-Klasse		12
3	Japanese (ja) トッド類		5
4	French (fr) Classe de Todd		4
5	Russian (ru) Класс Тодда		4
6	Korean (ko) 토드 특성류		3
7	Portuguese (pt) Classe de Todd		2
8	Ukrainian (uk) Клас Тодда		2
9	Greek (el) Κλάση Τοντ		1

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 "Todd class" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Japanese (ja) トッド類		1
2	German (de) Todd-Klasse		0
3	Greek (el) Κλάση Τοντ		0
4	English (en) Todd class		0
5	French (fr) Classe de Todd		0
6	Korean (ko) 토드 특성류		0
7	Portuguese (pt) Classe de Todd		0
8	Russian (ru) Класс Тодда		0
9	Ukrainian (uk) Клас Тодда		0

More...

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

Language versions of the article "Todd class" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Todd class		27
2	German (de) Todd-Klasse		10
3	French (fr) Classe de Todd		10
4	Korean (ko) 토드 특성류		8
5	Japanese (ja) トッド類		6
6	Russian (ru) Класс Тодда		2
7	Greek (el) Κλάση Τοντ		1
8	Ukrainian (uk) Клас Тодда		1
9	Portuguese (pt) Classe de Todd		0

More...

#	Language	Value
de	German Todd-Klasse
el	Greek Κλάση Τοντ
en	English Todd class
fr	French Classe de Todd
ja	Japanese トッド類
ko	Korean 토드 특성류
pt	Portuguese Classe de Todd
ru	Russian Класс Тодда
uk	Ukrainian Клас Тодда

Best Rank

English: #439247 09.2018

Global: #645152 09.2018

Best Rank

English: #192259 03.2005

Global: #146057 09.2018

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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