Undefined behavior

en

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Undefined behavior

Quality:

Undefined behavior - behavior of erroneous computer programs that the language standard permits to be unpredictable. Article "Undefined behavior" in English Wikipedia has 32.6 points for quality (as of August 1, 2024). The article contains 20 references and 9 sections.

This article has the best quality in Norwegian (Nynorsk) Wikipedia. However, this article is the most popular in English version.

Since the creation of article "Undefined behavior", its content was written by 110 registered users of English Wikipedia and edited by 191 registered Wikipedia users in all languages.

The article is cited 100 times in English Wikipedia and cited 226 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #19599 in March 2004
  • Global: #49035 in March 2004

The highest popularity rank from 2008:

  • Local (English): #125956 in September 2022
  • Global: #204966 in September 2022

There are 12 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 August 1, 2024 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Norwegian (Nynorsk) (nn)
Udefinert åtferd
45.9086
2English (en)
Undefined behavior
32.5698
3Norwegian (no)
Udefinert oppførsel
24.1048
4Serbian (sr)
Недефинисано понашање
19.6207
5Ukrainian (uk)
Невизначена поведінка
18.4148
6Japanese (ja)
未定義動作
18.3929
7Chinese (zh)
未定义行为
16.8377
8Russian (ru)
Неопределённое поведение
13.872
9German (de)
Undefiniertes Verhalten
9.8728
10Persian (fa)
رفتار نامشخص
4.1065
More...

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

Most popular in all the time

The most popular language versions of the article "Undefined behavior" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Undefined behavior
648 368
2Russian (ru)
Неопределённое поведение
116 131
3Chinese (zh)
未定义行为
24 644
4Japanese (ja)
未定義動作
13 894
5Spanish (es)
Comportamiento indefinido
6 543
6German (de)
Undefiniertes Verhalten
6 201
7Portuguese (pt)
Comportamento indefinido
4 870
8Ukrainian (uk)
Невизначена поведінка
4 175
9Serbian (sr)
Недефинисано понашање
1 182
10Persian (fa)
رفتار نامشخص
921
More...

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

Most popular in July 2024

The most popular language versions of the article "Undefined behavior" in July 2024
#LanguagePopularity awardRelative popularity
1English (en)
Undefined behavior
3 641
2Russian (ru)
Неопределённое поведение
478
3Japanese (ja)
未定義動作
429
4Chinese (zh)
未定义行为
155
5Spanish (es)
Comportamiento indefinido
83
6German (de)
Undefiniertes Verhalten
40
7Portuguese (pt)
Comportamento indefinido
10
8Ukrainian (uk)
Невизначена поведінка
10
9Norwegian (no)
Udefinert oppførsel
8
10Norwegian (Nynorsk) (nn)
Udefinert åtferd
6
More...

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

The highest AI

Language versions of the article "Undefined behavior" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Undefined behavior
110
2Russian (ru)
Неопределённое поведение
18
3German (de)
Undefiniertes Verhalten
14
4Japanese (ja)
未定義動作
8
5Spanish (es)
Comportamiento indefinido
7
6Ukrainian (uk)
Невизначена поведінка
7
7Portuguese (pt)
Comportamento indefinido
6
8Persian (fa)
رفتار نامشخص
5
9Serbian (sr)
Недефинисано понашање
5
10Chinese (zh)
未定义行为
5
More...

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

The highest AI in July 2024

Language versions of the article "Undefined behavior" with the highest AI in July 2024
#LanguageAI awardRelative AI
1Japanese (ja)
未定義動作
1
2German (de)
Undefiniertes Verhalten
0
3English (en)
Undefined behavior
0
4Spanish (es)
Comportamiento indefinido
0
5Persian (fa)
رفتار نامشخص
0
6Norwegian (Nynorsk) (nn)
Udefinert åtferd
0
7Norwegian (no)
Udefinert oppførsel
0
8Portuguese (pt)
Comportamento indefinido
0
9Russian (ru)
Неопределённое поведение
0
10Serbian (sr)
Недефинисано понашање
0
More...

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

The highest CI

Language versions of the article "Undefined behavior" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Undefined behavior
100
2Japanese (ja)
未定義動作
32
3Russian (ru)
Неопределённое поведение
29
4Chinese (zh)
未定义行为
18
5Ukrainian (uk)
Невизначена поведінка
16
6Spanish (es)
Comportamiento indefinido
12
7German (de)
Undefiniertes Verhalten
5
8Persian (fa)
رفتار نامشخص
5
9Portuguese (pt)
Comportamento indefinido
5
10Serbian (sr)
Недефинисано понашање
4
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in July 2024:
English:
Global:
Popularity in all years:
English:
Global:
Authors in July 2024:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
deGerman
Undefiniertes Verhalten
enEnglish
Undefined behavior
esSpanish
Comportamiento indefinido
faPersian
رفتار نامشخص
jaJapanese
未定義動作
nnNorwegian (Nynorsk)
Udefinert åtferd
noNorwegian
Udefinert oppførsel
ptPortuguese
Comportamento indefinido
ruRussian
Неопределённое поведение
srSerbian
Недефинисано понашање
ukUkrainian
Невизначена поведінка
zhChinese
未定义行为

Popularity rank trends

Best Rank English:
#125956
09.2022
Global:
#204966
09.2022

AI rank trends

Best Rank English:
#19599
03.2004
Global:
#49035
03.2004

Languages comparison

Important global interconnections

Wikipedia readers most often find their way to information on Undefined behavior from Wikipedia articles about Null pointer, Unspecified behavior, Fast inverse square root, Integer overflow and Garbage in, garbage out. Whereas reading the article about Undefined behavior people most often go to Wikipedia articles on Unspecified behavior, Halt and Catch Fire, Comp.* hierarchy, Sequence point and Usenet.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 19 November 2024

On 19 November 2024 in multilingual Wikipedia, Internet users most often read articles on the following topics: Mike Tyson, Elon Musk, MGM-140 ATACMS, Gladiator II, International Men's Day, 2024–25 UEFA Nations League, Donald Trump, Jake Paul, Jon Jones, deaths in 2024.

In English Wikipedia the most popular articles on that day were: Mehmet Oz, Sean Duffy, Gladiator II, Mike Tyson, 2024 United States presidential election, Matt Gaetz, Deaths in 2024, Elon Musk, Wicked (2024 film), Dune: Prophecy.

About WikiRank

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 August, 2024. When calculating current popularity and AI of articles data from July 2024 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information