NACK

es

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NACK

Quality:

Negative-acknowledge character - C0 control character with hexadecimal value 0x15. Article “NACK” in Spanish Wikipedia has 1.2 points for quality (as of July 1, 2025).

This article has the best quality in Catalan Wikipedia. However, the most popular language version of this article is Polish.

Since the creation of article “NACK”, its content was written by 3 registered users of Spanish Wikipedia and edited by 38 registered Wikipedia users in all languages.

The article is cited 12 times in Spanish Wikipedia and cited 33 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Spanish): #24924 in May 2006
  • Global: #162744 in December 2011

The highest popularity rank from 2008:

  • Local (Spanish): #125839 in January 2008
  • Global: #1268916 in February 2009

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
1Catalan (ca)
NACK
14.1262
2Chinese (zh)
NAK字元
3.77
3Italian (it)
NACK
1.8491
4Spanish (es)
NACK
1.1552
5Polish (pl)
NAK
0.1348
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 "NACK" in all the time
#LanguagePopularity awardRelative popularity
1Spanish (es)
NACK
45 324
2Polish (pl)
NAK
22 515
3Italian (it)
NACK
17 100
4Chinese (zh)
NAK字元
4 683
5Catalan (ca)
NACK
1 858
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 "NACK" in June 2025
#LanguagePopularity awardRelative popularity
1Polish (pl)
NAK
49
2Spanish (es)
NACK
44
3Italian (it)
NACK
40
4Chinese (zh)
NAK字元
40
5Catalan (ca)
NACK
3
More...

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

The highest AI

Language versions of the article "NACK" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1Italian (it)
NACK
23
2Polish (pl)
NAK
6
3Catalan (ca)
NACK
4
4Spanish (es)
NACK
3
5Chinese (zh)
NAK字元
2
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 "NACK" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Catalan (ca)
NACK
0
2Spanish (es)
NACK
0
3Italian (it)
NACK
0
4Polish (pl)
NAK
0
5Chinese (zh)
NAK字元
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 "NACK" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Spanish (es)
NACK
12
2Italian (it)
NACK
10
3Chinese (zh)
NAK字元
5
4Polish (pl)
NAK
4
5Catalan (ca)
NACK
2
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
caCatalan
NACK
esSpanish
NACK
itItalian
NACK
plPolish
NAK
zhChinese
NAK字元

Popularity rank trends

Best Rank Spanish:
#125839
01.2008
Global:
#1268916
02.2009

AI rank trends

Best Rank Spanish:
#24924
05.2006
Global:
#162744
12.2011

Languages comparison

Important global interconnections (July 2024 – June 2025)

Cumulative results of quality and popularity of the Wikipedia article

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

es: NACK
pl: NAK
it: NACK
ca: NACK

News from 21 February 2026

On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..

In Spanish Wikipedia the most popular articles on that day were: Willie Colón, Eric Dane, Jeffrey Epstein, Rebecca Gayheart, Esclerosis lateral amiotrófica, Arthur Fils, Cumbres Borrascosas (película de 2026), Cumbres Borrascosas, Marco Ruben, Víctor Muñoz Villanueva.

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