Theora

Quality:

Theora - free lossy video compression format. Article “Theora” in Czech Wikipedia has 4.5 points for quality (as of July 1, 2026). The article contains 0 references and 4 sections.

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

Since the creation of article “Theora”, its content was written by 18 registered users of Czech Wikipedia and edited by 898 registered Wikipedia users in all languages.

The article is cited 95 times in Czech Wikipedia and cited 2803 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Czech): #1664 in August 2005
• Global: #4171 in August 2004

The highest popularity rank from 2008:

• Local (Czech): #1952 in January 2026
• Global: #34865 in July 2009

There are 25 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.

#	Language	Quality grade	Quality score
1	English (en) Theora		65.9846
2	Chinese (zh) Theora		65.3122
3	Italian (it) Theora		51.3079
4	Esperanto (eo) Theora		44.3571
5	German (de) Theora		36.7801
6	French (fr) Theora		29.9933
7	Russian (ru) Theora		21.7765
8	Polish (pl) Theora (kodek)		19.9588
9	Korean (ko) 테오라		18.0903
10	Arabic (ar) ثيورا		16.7533

The following table shows the most popular language versions of the article.

#	Language	Popularity award	Relative popularity
1	English (en) Theora		1 260 011
2	German (de) Theora		158 281
3	French (fr) Theora		136 284
4	Russian (ru) Theora		136 029
5	Japanese (ja) Theora		120 331
6	Spanish (es) Theora		118 808
7	Italian (it) Theora		59 373
8	Chinese (zh) Theora		58 764
9	Portuguese (pt) Theora		26 790
10	Czech (cs) Theora		24 359

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

#	Language	Popularity award	Relative popularity
1	English (en) Theora		1 504
2	Chinese (zh) Theora		145
3	French (fr) Theora		115
4	Russian (ru) Theora		109
5	German (de) Theora		87
6	Japanese (ja) Theora		77
7	Spanish (es) Theora		57
8	Italian (it) Theora		53
9	Polish (pl) Theora (kodek)		41
10	Czech (cs) Theora		16

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

#	Language	AI award	Relative AI
1	English (en) Theora		250
2	French (fr) Theora		105
3	German (de) Theora		102
4	Italian (it) Theora		60
5	Russian (ru) Theora		47
6	Spanish (es) Theora		39
7	Japanese (ja) Theora		38
8	Polish (pl) Theora (kodek)		26
9	Danish (da) Theora		21
10	Hungarian (hu) Theora		21

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

#	Language	AI award	Relative AI
1	Danish (da) Theora		1
2	Chinese (zh) Theora		1
3	Arabic (ar) ثيورا		0
4	Catalan (ca) Theora		0
5	Czech (cs) Theora		0
6	German (de) Theora		0
7	English (en) Theora		0
8	Esperanto (eo) Theora		0
9	Spanish (es) Theora		0
10	Finnish (fi) Theora		0

The following table shows the language versions of the article with the highest number of citations.

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 Czech Wikipedia the most popular articles on that day were: Simona Monyová, Konžská demokratická republika, Mistrovství světa ve fotbale 2026, Senegal, Boris Ingr, Sára Milfajtová, Barbora Krejčíková, Erling Haaland, Bitva na Sommě, Marko Čermák.

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