Lichtechtheit

de

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Lichtechtheit

Quality:

Lightfastness - ability of a colorant or material to withstand change due to light exposure. Article “Lichtechtheit” in German Wikipedia has 8.9 points for quality (as of July 1, 2025). The article contains 1 references and 3 sections.

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

Since the creation of article “Lichtechtheit”, its content was written by 44 registered users of German Wikipedia and edited by 110 registered Wikipedia users in all languages.

The article is cited 128 times in German Wikipedia and cited 282 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #19567 in October 2004
  • Global: #35275 in February 2004

The highest popularity rank from 2008:

  • Local (German): #75794 in June 2021
  • Global: #368971 in April 2018

There are 10 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Chinese (zh)
耐光色牢度
63.2416
2English (en)
Lightfastness
56.4873
3Finnish (fi)
Valonkesto
48.0826
4Swedish (sv)
Ljusäkthet
33.7808
5Arabic (ar)
ثباتية ضوئية
22.0034
6Turkish (tr)
Işık haslığı
20.2075
7Danish (da)
Lysægthed
18.036
8Dutch (nl)
Lichtechtheid
14.565
9Hebrew (he)
עמידות באור
13.7635
10German (de)
Lichtechtheit
8.8914
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 "Lichtechtheit" in all the time
#LanguagePopularity awardRelative popularity
1German (de)
Lichtechtheit
299 830
2English (en)
Lightfastness
292 180
3Dutch (nl)
Lichtechtheid
22 573
4Turkish (tr)
Işık haslığı
10 255
5Finnish (fi)
Valonkesto
7 902
6Swedish (sv)
Ljusäkthet
7 174
7Danish (da)
Lysægthed
6 307
8Chinese (zh)
耐光色牢度
5 096
9Hebrew (he)
עמידות באור
3 253
10Arabic (ar)
ثباتية ضوئية
433
More...

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

Most popular in June 2025

The most popular language versions of the article "Lichtechtheit" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Lightfastness
1 969
2German (de)
Lichtechtheit
1 142
3Chinese (zh)
耐光色牢度
120
4Dutch (nl)
Lichtechtheid
76
5Turkish (tr)
Işık haslığı
65
6Swedish (sv)
Ljusäkthet
29
7Finnish (fi)
Valonkesto
27
8Danish (da)
Lysægthed
17
9Hebrew (he)
עמידות באור
9
10Arabic (ar)
ثباتية ضوئية
8
More...

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

The highest AI

Language versions of the article "Lichtechtheit" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
Lichtechtheit
44
2English (en)
Lightfastness
19
3Dutch (nl)
Lichtechtheid
12
4Danish (da)
Lysægthed
8
5Turkish (tr)
Işık haslığı
8
6Finnish (fi)
Valonkesto
6
7Hebrew (he)
עמידות באור
5
8Swedish (sv)
Ljusäkthet
3
9Chinese (zh)
耐光色牢度
3
10Arabic (ar)
ثباتية ضوئية
2
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 2025

Language versions of the article "Lichtechtheit" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Arabic (ar)
ثباتية ضوئية
0
2Danish (da)
Lysægthed
0
3German (de)
Lichtechtheit
0
4English (en)
Lightfastness
0
5Finnish (fi)
Valonkesto
0
6Hebrew (he)
עמידות באור
0
7Dutch (nl)
Lichtechtheid
0
8Swedish (sv)
Ljusäkthet
0
9Turkish (tr)
Işık haslığı
0
10Chinese (zh)
耐光色牢度
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 "Lichtechtheit" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1German (de)
Lichtechtheit
128
2Swedish (sv)
Ljusäkthet
60
3English (en)
Lightfastness
47
4Dutch (nl)
Lichtechtheid
26
5Finnish (fi)
Valonkesto
8
6Hebrew (he)
עמידות באור
6
7Arabic (ar)
ثباتية ضوئية
4
8Danish (da)
Lysægthed
1
9Turkish (tr)
Işık haslığı
1
10Chinese (zh)
耐光色牢度
1
More...

Scores

Estimated value for Wikipedia:
German:
Global:
Popularity in June 2025:
German:
Global:
Popularity in all years:
German:
Global:
Authors in June 2025:
German:
Global:
Registered authors in all years:
German:
Global:
Citations:
German:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
ثباتية ضوئية
daDanish
Lysægthed
deGerman
Lichtechtheit
enEnglish
Lightfastness
fiFinnish
Valonkesto
heHebrew
עמידות באור
nlDutch
Lichtechtheid
svSwedish
Ljusäkthet
trTurkish
Işık haslığı
zhChinese
耐光色牢度

Popularity rank trends

Best Rank German:
#75794
06.2021
Global:
#368971
04.2018

AI rank trends

Best Rank German:
#19567
10.2004
Global:
#35275
02.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Lightfastness from Wikipedia articles about Lake pigment, Prussian blue, Lunar Flag Assembly, Cadmium pigments and Hydrogen cyanide. Whereas reading the article about Lightfastness people most often go to Wikipedia articles on Blue Wool Scale, Colorfastness, Fugitive pigment, Sienna and Chromophore.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 21 February 2026

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 German Wikipedia the most popular articles on that day were: Eric Dane, Franziska Preuß, Jeffrey Epstein, Medaillenspiegel der Olympischen Winterspiele 2026, Laura Nolte, Dorothea Wierer, Andreas Hofer, Alysa Liu, Olympische Winterspiele 2026, Mariama Jamanka.

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 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