Design by contract

en

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Design by contract

Quality:

Design by contract - design of software based on formal, precise and verifiable interface specifications for software components. Article "Design by contract" in English Wikipedia has 33.2 points for quality (as of July 1, 2025). The article contains 14 references and 10 sections.

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

In June 2025 the article "Design by contract" was edited by 2 authors in English Wikipedia and written by 2 authors in all languages.

Since the creation of article "Design by contract", its content was written by 203 registered users of English Wikipedia and edited by 467 registered Wikipedia users in all languages.

The article is cited 456 times in English Wikipedia and cited 1080 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #272 in February 2002
  • Global: #348 in February 2002

The highest popularity rank from 2008:

  • Local (English): #40813 in March 2015
  • Global: #69195 in March 2015

There are 20 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Hungarian (hu)
Szerződésalapú programozás
38.7012
2Chinese (zh)
契约式设计
34.797
3English (en)
Design by contract
33.1525
4Japanese (ja)
契約プログラミング
30.5274
5Czech (cs)
Návrh podle kontraktu
28.5488
6German (de)
Design by Contract
24.4204
7Portuguese (pt)
Programação por contrato
22.684
8Finnish (fi)
Sopimuspohjainen ohjelmointi
22.4938
9Arabic (ar)
تصميم بالعقود
19.7291
10Slovak (sk)
Design by contract
16.2041
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 "Design by contract" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Design by contract
1 700 387
2Russian (ru)
Контрактное программирование
224 937
3German (de)
Design by Contract
164 566
4Japanese (ja)
契約プログラミング
115 710
5French (fr)
Programmation par contrat
105 687
6Spanish (es)
Diseño por contrato
50 574
7Chinese (zh)
契约式设计
39 700
8Italian (it)
Design by contract
26 402
9Polish (pl)
Programowanie kontraktowe
24 755
10Portuguese (pt)
Programação por contrato
20 713
More...

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

Most popular in June 2025

The most popular language versions of the article "Design by contract" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Design by contract
6 358
2Japanese (ja)
契約プログラミング
531
3French (fr)
Programmation par contrat
519
4Russian (ru)
Контрактное программирование
375
5German (de)
Design by Contract
220
6Chinese (zh)
契约式设计
217
7Spanish (es)
Diseño por contrato
74
8Italian (it)
Design by contract
50
9Portuguese (pt)
Programação por contrato
40
10Arabic (ar)
تصميم بالعقود
28
More...

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

The highest AI

Language versions of the article "Design by contract" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Design by contract
203
2German (de)
Design by Contract
53
3French (fr)
Programmation par contrat
46
4Russian (ru)
Контрактное программирование
28
5Italian (it)
Design by contract
20
6Japanese (ja)
契約プログラミング
18
7Chinese (zh)
契约式设计
15
8Slovak (sk)
Design by contract
13
9Finnish (fi)
Sopimuspohjainen ohjelmointi
10
10Spanish (es)
Diseño por contrato
9
More...

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

The highest AI in June 2025

Language versions of the article "Design by contract" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Design by contract
2
2Arabic (ar)
تصميم بالعقود
0
3Czech (cs)
Návrh podle kontraktu
0
4Danish (da)
Kontraktbaseret programmering
0
5German (de)
Design by Contract
0
6Esperanto (eo)
Perkontrakta programado
0
7Spanish (es)
Diseño por contrato
0
8Finnish (fi)
Sopimuspohjainen ohjelmointi
0
9French (fr)
Programmation par contrat
0
10Hebrew (he)
חוזה (תכנות)
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 "Design by contract" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Design by contract
456
2Chinese (zh)
契约式设计
179
3Arabic (ar)
تصميم بالعقود
150
4French (fr)
Programmation par contrat
67
5Japanese (ja)
契約プログラミング
46
6German (de)
Design by Contract
41
7Russian (ru)
Контрактное программирование
37
8Spanish (es)
Diseño por contrato
28
9Italian (it)
Design by contract
15
10Ukrainian (uk)
Проєктування за контрактом
12
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
تصميم بالعقود
csCzech
Návrh podle kontraktu
daDanish
Kontraktbaseret programmering
deGerman
Design by Contract
enEnglish
Design by contract
eoEsperanto
Perkontrakta programado
esSpanish
Diseño por contrato
fiFinnish
Sopimuspohjainen ohjelmointi
frFrench
Programmation par contrat
heHebrew
חוזה (תכנות)
huHungarian
Szerződésalapú programozás
itItalian
Design by contract
jaJapanese
契約プログラミング
koKorean
계약에 의한 설계
plPolish
Programowanie kontraktowe
ptPortuguese
Programação por contrato
ruRussian
Контрактное программирование
skSlovak
Design by contract
ukUkrainian
Проєктування за контрактом
zhChinese
契约式设计

Popularity rank trends

Best Rank English:
#40813
03.2015
Global:
#69195
03.2015

AI rank trends

Best Rank English:
#272
02.2002
Global:
#348
02.2002

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Design by contract from Wikipedia articles about SOLID, Ada, Eiffel, Liskov substitution principle and D. Whereas reading the article about Design by contract people most often go to Wikipedia articles on Hoare logic, Eiffel, Invariant, Defensive programming and Precondition.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 12 August 2025

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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.

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 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