Universal Disk Format

Quality:

Universal Disk Format - vendor-neutral file system, used in practice for DVDs and other optical discs. This software is the 216^th most popular in the global Wikipedia ranking of software and the 257^th most popular software in English Wikipedia. Article “Universal Disk Format” in English Wikipedia has 70.5 points for quality (as of July 1, 2026). The article contains 97 references and 15 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 3.71 points.

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

Achievements in all the time:

English Wikipedia:

The 257^th most popular in software in English Wikipedia.

Global Wikipedia:

The 216^th most popular in software.

In June 2026 the article “Universal Disk Format” was edited by 1 authors in English Wikipedia and written by 4 authors in all languages.

Since the creation of article “Universal Disk Format”, its content was written by 216 registered users of English Wikipedia and edited by 704 registered Wikipedia users in all languages.

Universal Disk Format is on the 257^th place in local ranking of software in English Wikipedia and on the 216^th place in global ranking of software in all the time.

The article is cited 896 times in English Wikipedia and cited 3713 times in all languages.

The highest Authors Interest rank from 2001:

Local (English): #449 in March 2002
Global: #552 in March 2002

The highest popularity rank from 2008:

Local (English): #21231 in January 2008
Global: #20199 in January 2009

There are 24 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

#	Language	Quality score
1	English (en) Universal Disk Format	70.5304
2	Chinese (zh) 通用光碟格式	37.6927
3	German (de) Universal Disk Format	24.4582
4	Russian (ru) Universal Disk Format	23.0546
5	Vietnamese (vi) Universal Disk Format	22.3336
6	Lithuanian (lt) UDF	21.119
7	Korean (ko) 유니버설 디스크 포맷	18.4526
8	Arabic (ar) صيغة القرص العالمية	15.8061
9	French (fr) Universal Disk Format	14.7588
10	Japanese (ja) ユニバーサルディスクフォーマット	10.8607

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 "Universal Disk Format" in all the time

#	Language	Relative popularity
1	English (en) Universal Disk Format	2 559 759
2	Japanese (ja) ユニバーサルディスクフォーマット	719 668
3	German (de) Universal Disk Format	527 140
4	Russian (ru) Universal Disk Format	417 562
5	Spanish (es) Universal Disk Format	262 143
6	Polish (pl) Universal Disk Format	213 121
7	French (fr) Universal Disk Format	127 663
8	Italian (it) Universal Disk Format	110 264
9	Chinese (zh) 通用光碟格式	97 570
10	Dutch (nl) Universal Disk Format	58 312

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 "Universal Disk Format" in June 2026

#	Language	Relative popularity
1	English (en) Universal Disk Format	2 237
2	German (de) Universal Disk Format	330
3	Japanese (ja) ユニバーサルディスクフォーマット	313
4	Russian (ru) Universal Disk Format	265
5	Polish (pl) Universal Disk Format	169
6	Chinese (zh) 通用光碟格式	146
7	Spanish (es) Universal Disk Format	78
8	French (fr) Universal Disk Format	72
9	Italian (it) Universal Disk Format	59
10	Turkish (tr) Evrensel Disk Biçimi	36

More...

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

The highest AI

Language versions of the article "Universal Disk Format" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	Relative AI
1	English (en) Universal Disk Format	216
2	German (de) Universal Disk Format	89
3	French (fr) Universal Disk Format	62
4	Russian (ru) Universal Disk Format	50
5	Italian (it) Universal Disk Format	38
6	Japanese (ja) ユニバーサルディスクフォーマット	36
7	Polish (pl) Universal Disk Format	34
8	Chinese (zh) 通用光碟格式	30
9	Dutch (nl) Universal Disk Format	26
10	Spanish (es) Universal Disk Format	20

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 "Universal Disk Format" with the highest AI in June 2026

#	Language	Relative AI
1	Arabic (ar) صيغة القرص العالمية	1
2	English (en) Universal Disk Format	1
3	Spanish (es) Universal Disk Format	1
4	Russian (ru) Universal Disk Format	1
5	Catalan (ca) Universal Disk Format	0
6	Czech (cs) Universal Disk Format	0
7	Danish (da) UDF	0
8	German (de) Universal Disk Format	0
9	French (fr) Universal Disk Format	0
10	Italian (it) Universal Disk Format	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 "Universal Disk Format" with the highest Citation Index (CI)

#	Language	Relative CI
1	English (en) Universal Disk Format	896
2	Italian (it) Universal Disk Format	414
3	Chinese (zh) 通用光碟格式	361
4	Russian (ru) Universal Disk Format	337
5	Korean (ko) 유니버설 디스크 포맷	312
6	Japanese (ja) ユニバーサルディスクフォーマット	285
7	Ukrainian (uk) UDF	188
8	Portuguese (pt) Universal Disk Format	180
9	French (fr) Universal Disk Format	148
10	Turkish (tr) Evrensel Disk Biçimi	126

More...

Scores

Estimated value for Wikipedia:

English:

Global:

Popularity in June 2026:

English:

Global:

Popularity in all years:

English:

Global:

Authors in June 2026:

English:

Global:

Registered authors in all years:

English:

Global:

Citations:

English:

Global:

Quality measures

Interwikis

#	Language	Value
ar	Arabic صيغة القرص العالمية
ca	Catalan Universal Disk Format
cs	Czech Universal Disk Format
da	Danish UDF
de	German Universal Disk Format
en	English Universal Disk Format
es	Spanish Universal Disk Format
fr	French Universal Disk Format
it	Italian Universal Disk Format
ja	Japanese ユニバーサルディスクフォーマット
ko	Korean 유니버설 디스크 포맷
lt	Lithuanian UDF
ms	Malay Universal Disk Format
nl	Dutch Universal Disk Format
pl	Polish Universal Disk Format
pt	Portuguese Universal Disk Format
ru	Russian Universal Disk Format
sk	Slovak Universal Disk Format
sr	Serbian UDF
sv	Swedish Universal Disk Format
tr	Turkish Evrensel Disk Biçimi
uk	Ukrainian UDF
vi	Vietnamese Universal Disk Format
zh	Chinese 通用光碟格式

Popularity rank trends

Best Rank	English: #21231 01.2008	Global: #20199 01.2009

AI rank trends

Best Rank	English: #449 03.2002	Global: #552 03.2002

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 Universal Disk Format from Wikipedia articles about Optical disc image, UDF, ISO 9660, Optical disc and Blu-ray Disc. Whereas reading the article about Universal Disk Format people most often go to Wikipedia articles on ISO 9660, ExFAT, Comparison of file systems, Byte and Optical Storage Technology Association.

Cumulative results of quality and popularity of the Wikipedia article

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

en: Universal Disk Format

ja: ユニバーサルディスクフォーマット

de: Universal Disk Format

ru: Universal Disk Format

es: Universal Disk Format

pl: Universal Disk Format

fr: Universal Disk Format

it: Universal Disk Format

zh: 通用光碟格式

nl: Universal Disk Format

cs: Universal Disk Format

pt: Universal Disk Format

ko: 유니버설 디스크 포맷

sk: Universal Disk Format

sv: Universal Disk Format

uk: UDF

tr: Evrensel Disk Biçimi

da: UDF

lt: UDF

ca: Universal Disk Format

ms: Universal Disk Format

sr: UDF

vi: Universal Disk Format

ar: صيغة القرص العالمية

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 English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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

Quality and popularity assessment of Wikipedia

Universal Disk Format