2-opt

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2-opt

Quality:

2-opt - Local search algorithm. Article “2-opt” in English Wikipedia has 23.3 points for quality (as of July 1, 2025). The article contains 2 references and 8 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

Since the creation of article “2-opt”, its content was written by 39 registered users of English Wikipedia and edited by 73 registered Wikipedia users in all languages.

The article is cited 6 times in English Wikipedia and cited 20 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #42280 in December 2022
  • Global: #182996 in December 2022

The highest popularity rank from 2008:

  • Local (English): #232785 in April 2015
  • Global: #351566 in April 2015

There are 5 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
1English (en)
2-opt
23.2957
2French (fr)
2-opt
22.805
3German (de)
K-Opt-Heuristik
10.5445
4Japanese (ja)
2-opt
8.6755
5Korean (ko)
2-OPT
3.548
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 "2-opt" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
2-opt
388 795
2German (de)
K-Opt-Heuristik
62 049
3French (fr)
2-opt
43 519
4Korean (ko)
2-OPT
7 227
5Japanese (ja)
2-opt
1 688
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 "2-opt" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
2-opt
2 026
2Japanese (ja)
2-opt
184
3French (fr)
2-opt
143
4Korean (ko)
2-OPT
78
5German (de)
K-Opt-Heuristik
77
More...

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

The highest AI

Language versions of the article "2-opt" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
2-opt
39
2German (de)
K-Opt-Heuristik
19
3French (fr)
2-opt
12
4Korean (ko)
2-OPT
2
5Japanese (ja)
2-opt
1
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 "2-opt" with the highest AI in June 2025
#LanguageAI awardRelative AI
1German (de)
K-Opt-Heuristik
0
2English (en)
2-opt
0
3French (fr)
2-opt
0
4Japanese (ja)
2-opt
0
5Korean (ko)
2-OPT
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 "2-opt" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1German (de)
K-Opt-Heuristik
8
2English (en)
2-opt
6
3French (fr)
2-opt
4
4Japanese (ja)
2-opt
1
5Korean (ko)
2-OPT
1
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
deGerman
K-Opt-Heuristik
enEnglish
2-opt
frFrench
2-opt
jaJapanese
2-opt
koKorean
2-OPT

Popularity rank trends

Best Rank English:
#232785
04.2015 		Global:
#351566
04.2015

AI rank trends

Best Rank English:
#42280
12.2022 		Global:
#182996
12.2022

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on 2-opt from Wikipedia articles about Travelling salesperson problem, Local search, 3-opt, Lin–Kernighan heuristic and Vehicle routing problem. Whereas reading the article about 2-opt people most often go to Wikipedia articles on 3-opt, Lin–Kernighan heuristic, Local search, Travelling salesperson problem and Vehicle routing problem.

Cumulative results of quality and popularity of the Wikipedia article

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

en: 2-opt
de: K-Opt-Heuristik
fr: 2-opt
ko: 2-OPT
ja: 2-opt

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In English Wikipedia the most popular articles on that day were: Ajit Pawar, Border 2, Sharad Pawar, Killing of Alex Pretti, Ilhan Omar, Sunetra Pawar, Todd Monken, Kristi Noem, Wonder Man (miniseries), Gregory Bovino.

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