O

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O

Quality:

O/o - 15th letter of the basic Latin alphabet. Article “O” in Simple English Wikipedia has 6 points for quality (as of July 1, 2026). The article contains 0 references and 2 sections.

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

Achievements in all the time:
Simple English Wikipedia:
The 6134th most popular in Simple English Wikipedia.
The 6836th most editable in Simple English Wikipedia.
Achievements in the last month:
Simple English Wikipedia:
The 2179th most popular in Simple English Wikipedia in the last month.

Since the creation of article “O”, its content was written by 30 registered users of Simple English Wikipedia (6836th place) and edited by 2426 registered Wikipedia users in all languages.

The article is cited 83 times in Simple English Wikipedia and cited 12279 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Simple English): #119 in September 2004
  • Global: #655 in April 2008

The highest popularity rank from 2008:

  • Local (Simple English): #490 in May 2024
  • Global: #1829 in May 2010

There are 53 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, 2026 (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)
O
58.4619
2Finnish (fi)
O
32.4792
3Russian (ru)
O (латиница)
25.0921
4Malay (ms)
O
24.7333
5Urdu (ur)
O
23.5441
6Volapük (vo)
O
23.3878
7Polish (pl)
O
22.9839
8Chinese (zh)
O
22.8958
9Persian (fa)
O
18.461
10Arabic (ar)
O
18.4069
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 "O" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
O
9 771 016
2Spanish (es)
O
2 362 090
3Chinese (zh)
O
1 247 648
4Italian (it)
O
1 240 730
5German (de)
O
885 975
6Portuguese (pt)
O
672 689
7Japanese (ja)
O
658 120
8Turkish (tr)
O
498 041
9Vietnamese (vi)
O
392 777
10Polish (pl)
O
381 456
More...

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

Most popular in June 2026

The most popular language versions of the article "O" in June 2026
#LanguagePopularity awardRelative popularity
1English (en)
O
57 554
2Spanish (es)
O
8 859
3Vietnamese (vi)
O
5 239
4German (de)
O
3 790
5Portuguese (pt)
O
2 818
6French (fr)
O (lettre)
2 649
7Turkish (tr)
O
2 212
8Indonesian (id)
O
2 188
9Chinese (zh)
O
1 836
10Italian (it)
O
1 631
More...

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

The highest AI

Language versions of the article "O" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
O
799
2German (de)
O
165
3Italian (it)
O
130
4Spanish (es)
O
121
5Japanese (ja)
O
88
6French (fr)
O (lettre)
72
7Danish (da)
O
70
8Vietnamese (vi)
O
65
9Portuguese (pt)
O
59
10Hungarian (hu)
O
51
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 2026

Language versions of the article "O" with the highest AI in June 2026
#LanguageAI awardRelative AI
1English (en)
O
4
2Spanish (es)
O
2
3Polish (pl)
O
2
4Dutch (nl)
O (letter)
1
5Arabic (ar)
O
0
6Azerbaijani (az)
O
0
7Belarusian (be)
O (літара)
0
8Bulgarian (bg)
O
0
9Catalan (ca)
O
0
10Czech (cs)
O
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 "O" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1French (fr)
O (lettre)
2 519
2English (en)
O
975
3Japanese (ja)
O
717
4Russian (ru)
O (латиница)
538
5Italian (it)
O
529
6Chinese (zh)
O
500
7German (de)
O
493
8Polish (pl)
O
431
9Czech (cs)
O
427
10Norwegian (no)
O
305
More...

Scores

Estimated value for Wikipedia:
Simple English:
Global:
Popularity in June 2026:
Simple English:
Global:
Popularity in all years:
Simple English:
Global:
Authors in June 2026:
Simple English:
Global:
Registered authors in all years:
Simple English:
Global:
Citations:
Simple English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
O
azAzerbaijani
O
beBelarusian
O (літара)
bgBulgarian
O
caCatalan
O
csCzech
O
daDanish
O
deGerman
O
elGreek
O
enEnglish
O
eoEsperanto
O
esSpanish
O
etEstonian
O
euBasque
O
faPersian
O
fiFinnish
O
frFrench
O (lettre)
glGalician
O
heHebrew
O
hiHindi
O
hrCroatian
O
huHungarian
O
hyArmenian
O (լատինական)
idIndonesian
O
itItalian
O
jaJapanese
O
kaGeorgian
O
koKorean
O
laLatin
O
ltLithuanian
O
msMalay
O
nlDutch
O (letter)
nnNorwegian (Nynorsk)
O
noNorwegian
O
plPolish
O
ptPortuguese
O
roRomanian
O
ruRussian
O (латиница)
shSerbo-Croatian
O
simpleSimple English
O
skSlovak
O
slSlovenian
O
srSerbian
O (слово латинице)
svSwedish
O
thThai
O
trTurkish
O
ukUkrainian
O (латиниця)
urUrdu
O
uzUzbek
O (lotin)
viVietnamese
O
voVolapük
O
zhChinese
O
zhminnanMin Nan
O

Popularity rank trends

Best Rank Simple English:
#490
05.2024 		Global:
#1829
05.2010

AI rank trends

Best Rank Simple English:
#119
09.2004 		Global:
#655
04.2008

Local popularity rank history

Global popularity rank history

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections (July 2025 – June 2026)

Wikipedia readers most often find their way to information on O/o from Wikipedia articles about English alphabet, Ñ, Ø, О/o and Ο/ο. Whereas reading the article about O/o people most often go to Wikipedia articles on T/t, P/p, Ο/ο, French alphabet and О/o.

Cumulative results of quality and popularity of the Wikipedia article

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

en: O
es: O
zh: O
it: O
de: O
pt: O
ja: O
tr: O
vi: O
pl: O
id: O
ar: O
fr: O (lettre)
sv: O
cs: O
no: O
da: O
ru: O (латиница)
ro: O
fi: O
ko: O
nl: O (letter)
th: O
hr: O
he: O
fa: O
hu: O
simple: O
sl: O
sk: O
ka: O
az: O
lt: O
el: O
ca: O
ms: O
sh: O
bg: O
nn: O
gl: O
zhminnan: O
sr: O (слово латинице)
eo: O
vo: O
eu: O
la: O
et: O
ur: O
uk: O (латиниця)
uz: O (lotin)
be: O (літара)
hy: O (լատինական)
hi: O

News from 1 July 2026

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information