Theora

Quality:

Theora - free lossy video compression format. Article “Theora” in Norwegian Wikipedia has 14.4 points for quality (as of July 1, 2025). The article contains 2 references and 11 sections.

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

Since the creation of article “Theora”, its content was written by 32 registered users of Norwegian Wikipedia and edited by 900 registered Wikipedia users in all languages.

The article is cited 10 times in Norwegian Wikipedia and cited 2471 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Norwegian): #2174 in February 2022
• Global: #4168 in August 2004

The highest popularity rank from 2008:

• Local (Norwegian): #5154 in January 2009
• Global: #34657 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, 2025 (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		68.755
2	Chinese (zh) Theora		64.8852
3	Italian (it) Theora		51.3269
4	Esperanto (eo) Theora		44.6404
5	German (de) Theora		37.5409
6	French (fr) Theora		27.5061
7	Arabic (ar) ثيورا		23.5142
8	Russian (ru) Theora		21.7591
9	Polish (pl) Theora (kodek)		20.0134
10	Korean (ko) 테오라		18.2321

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

#	Language	Popularity award	Relative popularity
1	English (en) Theora		1 237 830
2	German (de) Theora		154 116
3	French (fr) Theora		131 884
4	Russian (ru) Theora		131 483
5	Japanese (ja) Theora		116 083
6	Spanish (es) Theora		115 110
7	Italian (it) Theora		55 735
8	Chinese (zh) Theora		53 996
9	Portuguese (pt) Theora		23 667
10	Polish (pl) Theora (kodek)		21 259

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		1 744
2	Chinese (zh) Theora		206
3	Russian (ru) Theora		168
4	French (fr) Theora		140
5	German (de) Theora		112
6	Spanish (es) Theora		103
7	Japanese (ja) Theora		82
8	Dutch (nl) Theora (compressieformaat)		81
9	Italian (it) Theora		73
10	Portuguese (pt) Theora		67

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

#	Language	AI award	Relative AI
1	English (en) Theora		245
2	French (fr) Theora		102
3	German (de) Theora		101
4	Italian (it) Theora		59
5	Russian (ru) Theora		46
6	Spanish (es) Theora		39
7	Japanese (ja) Theora		38
8	Norwegian (no) Theora		32
9	Polish (pl) Theora (kodek)		26
10	Danish (da) 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	English (en) Theora		2
2	Arabic (ar) ثيورا		0
3	Catalan (ca) Theora		0
4	Czech (cs) Theora		0
5	Danish (da) Theora		0
6	German (de) Theora		0
7	Esperanto (eo) Theora		0
8	Spanish (es) Theora		0
9	Finnish (fi) Theora		0
10	French (fr) Theora		0

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

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 Norwegian Wikipedia the most popular articles on that day were: Forside, Håndball-EM 2026 for menn, Alexander Sørloth, Fredrik Sjøvold, Ronny Deila, Kristi Noem, Wanda Metropolitano, Jostein Gundersen, Mesterligaen 2025/2026, Farmen kjendis (sesong 10).

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