Cobalt oxide

en

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Cobalt oxide

Quality:

Cobalt oxide - Wikimedia disambiguation page. Article “Cobalt oxide” in English Wikipedia has 1.6 points for quality (as of July 1, 2025).

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

Since the creation of article “Cobalt oxide”, its content was written by 16 registered users of English Wikipedia and edited by 93 registered Wikipedia users in all languages.

The article is cited 30 times in English Wikipedia and cited 100 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #102645 in November 2005
  • Global: #37336 in July 2004

The highest popularity rank from 2008:

  • Local (English): #264173 in September 2008
  • Global: #295890 in September 2008

There are 14 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
1Chinese (zh)
氧化钴
21.5923
2Simple English (simple)
Cobalt oxide
1.7897
3English (en)
Cobalt oxide
1.5805
4Ukrainian (uk)
Оксид кобальту
0.9758
5Japanese (ja)
酸化コバルト
0.6896
6German (de)
Cobaltoxid
0.2827
7Vietnamese (vi)
Cobalt oxide
0.1144
8Korean (ko)
산화 코발트
0.0649
9Italian (it)
Ossido di cobalto
0.0521
10Dutch (nl)
Kobaltoxide
0.0514
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 "Cobalt oxide" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Cobalt oxide
314 385
2Japanese (ja)
酸化コバルト
174 979
3German (de)
Cobaltoxid
84 585
4Italian (it)
Ossido di cobalto
49 949
5Chinese (zh)
氧化钴
31 552
6Russian (ru)
Оксид кобальта
16 113
7Dutch (nl)
Kobaltoxide
8 729
8Vietnamese (vi)
Cobalt oxide
4 263
9Polish (pl)
Tlenek kobaltu
2 645
10Simple English (simple)
Cobalt oxide
1 857
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 "Cobalt oxide" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Cobalt oxide
596
2Japanese (ja)
酸化コバルト
423
3Chinese (zh)
氧化钴
164
4German (de)
Cobaltoxid
163
5Russian (ru)
Оксид кобальта
67
6Simple English (simple)
Cobalt oxide
21
7Korean (ko)
산화 코발트
17
8Dutch (nl)
Kobaltoxide
10
9Italian (it)
Ossido di cobalto
9
10Vietnamese (vi)
Cobalt oxide
9
More...

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

The highest AI

Language versions of the article "Cobalt oxide" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
Cobaltoxid
25
2English (en)
Cobalt oxide
16
3Japanese (ja)
酸化コバルト
11
4Vietnamese (vi)
Cobalt oxide
11
5Italian (it)
Ossido di cobalto
6
6Dutch (nl)
Kobaltoxide
6
7Russian (ru)
Оксид кобальта
5
8Simple English (simple)
Cobalt oxide
3
9Ukrainian (uk)
Оксид кобальту
3
10Chinese (zh)
氧化钴
3
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 "Cobalt oxide" with the highest AI in June 2025
#LanguageAI awardRelative AI
1German (de)
Cobaltoxid
0
2English (en)
Cobalt oxide
0
3Persian (fa)
اکسید کبالت
0
4Italian (it)
Ossido di cobalto
0
5Japanese (ja)
酸化コバルト
0
6Korean (ko)
산화 코발트
0
7Dutch (nl)
Kobaltoxide
0
8Polish (pl)
Tlenek kobaltu
0
9Russian (ru)
Оксид кобальта
0
10Simple English (simple)
Cobalt oxide
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 "Cobalt oxide" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Cobalt oxide
30
2Chinese (zh)
氧化钴
23
3Japanese (ja)
酸化コバルト
13
4Italian (it)
Ossido di cobalto
8
5Ukrainian (uk)
Оксид кобальту
6
6German (de)
Cobaltoxid
5
7Vietnamese (vi)
Cobalt oxide
4
8Persian (fa)
اکسید کبالت
3
9Russian (ru)
Оксид кобальта
3
10Serbian (sr)
Kobalt oksid
2
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
Cobaltoxid
enEnglish
Cobalt oxide
faPersian
اکسید کبالت
itItalian
Ossido di cobalto
jaJapanese
酸化コバルト
koKorean
산화 코발트
nlDutch
Kobaltoxide
plPolish
Tlenek kobaltu
ruRussian
Оксид кобальта
simpleSimple English
Cobalt oxide
srSerbian
Kobalt oksid
ukUkrainian
Оксид кобальту
viVietnamese
Cobalt oxide
zhChinese
氧化钴

Popularity rank trends

Best Rank English:
#264173
09.2008
Global:
#295890
09.2008

AI rank trends

Best Rank English:
#102645
11.2005
Global:
#37336
07.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Cobalt oxide from Wikipedia articles about Cobalt glass, Cobalt(II,III) oxide, Delftware, Persian blue and Salt glaze. Whereas reading the article about Cobalt oxide people most often go to Wikipedia articles on Cobalt(II) oxide, Cobalt(III) oxide, Cobalt(II,III) oxide, Cobalt and Cobalt(IV) oxide.

Cumulative results of quality and popularity of the Wikipedia article

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

simple: Cobalt oxide

News from 10 February 2026

On 10 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Ghislaine Maxwell, Ilia Malinin, Bad Bunny, 2026 Winter Olympics, Epstein files, Jutta Leerdam, Jake Paul, Puerto Rico, Little Saint James.

In English Wikipedia the most popular articles on that day were: Bad Bunny, Jeffrey Epstein, Epstein files, Ilia Malinin, Savannah Guthrie, Ghislaine Maxwell, 2026 Winter Olympics, List of Super Bowl halftime shows, Eileen Gu, Jutta Leerdam.

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