Valotehofunktio

Spectral luminous efficiency - spectral sensitivity of human visual perception of brightness. Article “Valotehofunktio” in Finnish Wikipedia has 13.5 points for quality (as of July 1, 2025). The article contains 2 references and 3 sections.

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

Since the creation of article “Valotehofunktio”, its content was written by 4 registered users of Finnish Wikipedia and edited by 224 registered Wikipedia users in all languages.

The article is cited 2 times in Finnish Wikipedia and cited 384 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Finnish): #1285 in July 2013
• Global: #15858 in January 2003

The highest popularity rank from 2008:

• Local (Finnish): #95058 in December 2016
• Global: #159542 in December 2014

There are 16 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) Luminous efficiency function		56.8645
2	Esperanto (eo) Lumintensa funkcio		47.7739
3	German (de) V-Lambda-Kurve		46.779
4	Persian (fa) تابع درخشندگی		36.4467
5	Dutch (nl) Ooggevoeligheid		34.5415
6	Arabic (ar) دالة ضيائية		23.4917
7	Chinese (zh) 光度函数		22.1118
8	Ukrainian (uk) Спектральна світлова ефективність монохроматичного випромінення		21.4748
9	Italian (it) Funzione di efficienza luminosa		19.4675
10	Russian (ru) Спектральная световая эффективность монохроматического излучения		18.5231

More...

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

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

#	Language	Popularity award	Relative popularity
1	English (en) Luminous efficiency function		785 545
2	German (de) V-Lambda-Kurve		309 818
3	Japanese (ja) 比視感度		216 479
4	Russian (ru) Спектральная световая эффективность монохроматического излучения		66 678
5	Chinese (zh) 光度函数		57 791
6	Dutch (nl) Ooggevoeligheid		38 572
7	Spanish (es) Función de luminosidad		26 252
8	Persian (fa) تابع درخشندگی		14 394
9	Korean (ko) 비시감도		7 141
10	Arabic (ar) دالة ضيائية		6 140

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 "Valotehofunktio" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Luminous efficiency function		2 770
2	Japanese (ja) 比視感度		518
3	German (de) V-Lambda-Kurve		366
4	Chinese (zh) 光度函数		353
5	Russian (ru) Спектральная световая эффективность монохроматического излучения		185
6	Italian (it) Funzione di efficienza luminosa		89
7	Dutch (nl) Ooggevoeligheid		65
8	Arabic (ar) دالة ضيائية		41
9	Korean (ko) 비시감도		37
10	Spanish (es) Función de luminosidad		34

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Luminous efficiency function		64
2	German (de) V-Lambda-Kurve		62
3	Dutch (nl) Ooggevoeligheid		21
4	Chinese (zh) 光度函数		19
5	Russian (ru) Спектральная световая эффективность монохроматического излучения		12
6	Japanese (ja) 比視感度		11
7	Arabic (ar) دالة ضيائية		9
8	Esperanto (eo) Lumintensa funkcio		5
9	Persian (fa) تابع درخشندگی		5
10	Finnish (fi) Valotehofunktio		4

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 "Valotehofunktio" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Luminous efficiency function		2
2	Arabic (ar) دالة ضيائية		0
3	Catalan (ca) Funció de lluminositat		0
4	German (de) V-Lambda-Kurve		0
5	Esperanto (eo) Lumintensa funkcio		0
6	Spanish (es) Función de luminosidad		0
7	Persian (fa) تابع درخشندگی		0
8	Finnish (fi) Valotehofunktio		0
9	Italian (it) Funzione di efficienza luminosa		0
10	Japanese (ja) 比視感度		0

More...

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

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

#	Language	CI award	Relative CI
1	English (en) Luminous efficiency function		78
2	Dutch (nl) Ooggevoeligheid		73
3	German (de) V-Lambda-Kurve		54
4	Russian (ru) Спектральная световая эффективность монохроматического излучения		30
5	Japanese (ja) 比視感度		23
6	Arabic (ar) دالة ضيائية		20
7	Persian (fa) تابع درخشندگی		18
8	Chinese (zh) 光度函数		18
9	Spanish (es) Función de luminosidad		16
10	Korean (ko) 비시감도		15

More...

#	Language	Value
ar	Arabic دالة ضيائية
ca	Catalan Funció de lluminositat
de	German V-Lambda-Kurve
en	English Luminous efficiency function
eo	Esperanto Lumintensa funkcio
es	Spanish Función de luminosidad
fa	Persian تابع درخشندگی
fi	Finnish Valotehofunktio
it	Italian Funzione di efficienza luminosa
ja	Japanese 比視感度
ko	Korean 비시감도
nl	Dutch Ooggevoeligheid
ru	Russian Спектральная световая эффективность монохроматического излучения
th	Thai ฟังก์ชันประสิทธิภาพการส่องสว่าง
uk	Ukrainian Спектральна світлова ефективність монохроматичного випромінення
zh	Chinese 光度函数

Best Rank

Finnish: #95058 12.2016

Global: #159542 12.2014

Best Rank

Finnish: #1285 07.2013

Global: #15858 01.2003

On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..

In Finnish Wikipedia the most popular articles on that day were: Iivo Niskanen, Johannes Høsflot Klæbo, Suomen jääkiekkomaajoukkue, Juuse Saros, Oliver Kapanen, Mikael Granlund, Arsi Ruuskanen, Antti Pennanen (valmentaja), Markku Uusipaavalniemi, Jääkiekko olympialaisissa.

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