Horizontal line test

Horizontal line test - test for the bijectivity of a function. Article "Horizontal line test" in English Wikipedia has 21.2 points for quality (as of July 1, 2025). The article contains 3 references and 4 sections.

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

Since the creation of article "Horizontal line test", its content was written by 39 registered users of English Wikipedia and edited by 55 registered Wikipedia users in all languages.

The article is cited 4 times in English Wikipedia and cited 26 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #7970 in June 2002
• Global: #9049 in June 2002

The highest popularity rank from 2008:

• Local (English): #183926 in October 2012
• Global: #310049 in October 2012

There are 7 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	Tamil (ta) கிடைக்கோட்டுச் சோதனை		26.0857
2	English (en) Horizontal line test		21.2348
3	Spanish (es) Prueba de la línea horizontal		16.7683
4	Romanian (ro) Testul liniei orizontale		16.3689
5	Chinese (zh) 水平線測試		8.3147
6	Catalan (ca) Test de la línia horitzontal		3.6934
7	Urdu (ur) افقی لکیر اختبار		2.376

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

The most popular language versions of the article "Horizontal line test" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Horizontal line test		359 364
2	Spanish (es) Prueba de la línea horizontal		39 340
3	Chinese (zh) 水平線測試		14 706
4	Catalan (ca) Test de la línia horitzontal		2 357
5	Urdu (ur) افقی لکیر اختبار		1 748
6	Romanian (ro) Testul liniei orizontale		1 493
7	Tamil (ta) கிடைக்கோட்டுச் சோதனை		792

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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 "Horizontal line test" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Horizontal line test		851
2	Spanish (es) Prueba de la línea horizontal		65
3	Chinese (zh) 水平線測試		49
4	Romanian (ro) Testul liniei orizontale		16
5	Urdu (ur) افقی لکیر اختبار		12
6	Tamil (ta) கிடைக்கோட்டுச் சோதனை		8
7	Catalan (ca) Test de la línia horitzontal		7

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

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

#	Language	AI award	Relative AI
1	English (en) Horizontal line test		39
2	Chinese (zh) 水平線測試		5
3	Catalan (ca) Test de la línia horitzontal		4
4	Urdu (ur) افقی لکیر اختبار		3
5	Tamil (ta) கிடைக்கோட்டுச் சோதனை		2
6	Spanish (es) Prueba de la línea horizontal		1
7	Romanian (ro) Testul liniei orizontale		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 "Horizontal line test" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Catalan (ca) Test de la línia horitzontal		0
2	English (en) Horizontal line test		0
3	Spanish (es) Prueba de la línea horizontal		0
4	Romanian (ro) Testul liniei orizontale		0
5	Tamil (ta) கிடைக்கோட்டுச் சோதனை		0
6	Urdu (ur) افقی لکیر اختبار		0
7	Chinese (zh) 水平線測試		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 "Horizontal line test" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Urdu (ur) افقی لکیر اختبار		6
2	Catalan (ca) Test de la línia horitzontal		4
3	English (en) Horizontal line test		4
4	Romanian (ro) Testul liniei orizontale		4
5	Chinese (zh) 水平線測試		4
6	Spanish (es) Prueba de la línea horizontal		3
7	Tamil (ta) கிடைக்கோட்டுச் சோதனை		1

More...

#	Language	Value
ca	Catalan Test de la línia horitzontal
en	English Horizontal line test
es	Spanish Prueba de la línea horizontal
ro	Romanian Testul liniei orizontale
ta	Tamil கிடைக்கோட்டுச் சோதனை
ur	Urdu افقی لکیر اختبار
zh	Chinese 水平線測試

Best Rank

English: #183926 10.2012

Global: #310049 10.2012

Best Rank

English: #7970 06.2002

Global: #9049 06.2002

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In English Wikipedia the most popular articles on that day were: Weapons (2025 film), Danielle Spencer (American actress), Cristiano Ronaldo, Deaths in 2025, Taylor Swift, Wednesday (TV series), Superman (2025 film), Georgina Rodríguez, Coolie (2025 film), The Fantastic Four: First Steps.

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