HAZOP

Hazard and operability study - structured and systematic examination of a complex planned or existing process or operation in order to identify and evaluate problems that may represent risks to personnel or equipment. Article “HAZOP” in Japanese Wikipedia has 24.5 points for quality (as of July 1, 2026). The article contains 23 references and 6 sections.

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

In June 2026 the article “HAZOP” was edited by 1 authors in Japanese Wikipedia and written by 3 authors in all languages.

Since the creation of article “HAZOP”, its content was written by 16 registered users of Japanese Wikipedia and edited by 230 registered Wikipedia users in all languages.

The article is cited 10 times in Japanese Wikipedia and cited 215 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Japanese): #7216 in January 2020
• Global: #32927 in March 2016

The highest popularity rank from 2008:

• Local (Japanese): #89948 in June 2018
• Global: #95703 in April 2015

There are 15 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	German (de) PAAG-Verfahren		36.7145
2	Dutch (nl) HAZOP		33.1733
3	Chinese (zh) 危害與可操作性分析		31.5111
4	English (en) Hazard and operability study		31.1888
5	Arabic (ar) دراسة المخاطر وقابلية التشغيل		27.1593
6	Japanese (ja) HAZOP		24.5395
7	Norwegian (no) Hazard and operability study		21.0949
8	Italian (it) HAZOP		20.4899
9	Catalan (ca) Estudi de perills i operativitat		15.767
10	Spanish (es) HAZOP		15.4075

More...

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

The most popular language versions of the article "HAZOP" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Hazard and operability study		1 733 468
2	German (de) PAAG-Verfahren		244 546
3	Japanese (ja) HAZOP		155 285
4	French (fr) HAZOP		145 778
5	Italian (it) HAZOP		130 351
6	Spanish (es) HAZOP		121 809
7	Chinese (zh) 危害與可操作性分析		62 528
8	Polish (pl) HAZOP		56 478
9	Russian (ru) HAZOP		44 600
10	Hebrew (he) HAZOP		9 323

More...

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

The most popular language versions of the article "HAZOP" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Hazard and operability study		1 650
2	German (de) PAAG-Verfahren		430
3	French (fr) HAZOP		310
4	Japanese (ja) HAZOP		215
5	Chinese (zh) 危害與可操作性分析		208
6	Russian (ru) HAZOP		200
7	Italian (it) HAZOP		171
8	Dutch (nl) HAZOP		99
9	Polish (pl) HAZOP		96
10	Spanish (es) HAZOP		31

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Hazard and operability study		73
2	German (de) PAAG-Verfahren		43
3	Italian (it) HAZOP		36
4	French (fr) HAZOP		19
5	Japanese (ja) HAZOP		16
6	Russian (ru) HAZOP		10
7	Hebrew (he) HAZOP		6
8	Norwegian (no) Hazard and operability study		6
9	Polish (pl) HAZOP		6
10	Spanish (es) HAZOP		5

More...

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

Language versions of the article "HAZOP" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	English (en) Hazard and operability study		2
2	Japanese (ja) HAZOP		1
3	Arabic (ar) دراسة المخاطر وقابلية التشغيل		0
4	Catalan (ca) Estudi de perills i operativitat		0
5	German (de) PAAG-Verfahren		0
6	Spanish (es) HAZOP		0
7	French (fr) HAZOP		0
8	Hebrew (he) HAZOP		0
9	Italian (it) HAZOP		0
10	Dutch (nl) HAZOP		0

More...

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

Language versions of the article "HAZOP" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Arabic (ar) دراسة المخاطر وقابلية التشغيل		77
2	English (en) Hazard and operability study		55
3	Norwegian (no) Hazard and operability study		24
4	French (fr) HAZOP		11
5	Japanese (ja) HAZOP		10
6	Italian (it) HAZOP		9
7	Chinese (zh) 危害與可操作性分析		7
8	German (de) PAAG-Verfahren		6
9	Spanish (es) HAZOP		5
10	Hebrew (he) HAZOP		5

More...

#	Language	Value
ar	Arabic دراسة المخاطر وقابلية التشغيل
ca	Catalan Estudi de perills i operativitat
de	German PAAG-Verfahren
en	English Hazard and operability study
es	Spanish HAZOP
fr	French HAZOP
he	Hebrew HAZOP
it	Italian HAZOP
ja	Japanese HAZOP
nl	Dutch HAZOP
nn	Norwegian (Nynorsk) HAZOP
no	Norwegian Hazard and operability study
pl	Polish HAZOP
ru	Russian HAZOP
zh	Chinese 危害與可操作性分析

Best Rank

Japanese: #89948 06.2018

Global: #95703 04.2015

Best Rank

Japanese: #7216 01.2020

Global: #32927 03.2016

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 Japanese Wikipedia the most popular articles on that day were: 橋本愛 (1996年生), 超ときめき♡宣伝部, 塩貝健人, 鈴木彩艶, 泉里香, 谷口彰悟, 田中みな実, 佐野海舟, アーリング・ハーランド, 後藤輝樹.

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