Opt-in

Opt-in email - mechanism whereby one party verifies the purported identity of another party. Article “Opt-in” in German Wikipedia has 35.7 points for quality (as of July 1, 2026). The article contains 16 references and 10 sections.

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

Since the creation of article “Opt-in”, its content was written by 108 registered users of German Wikipedia and edited by 273 registered Wikipedia users in all languages.

The article is cited 60 times in German Wikipedia and cited 250 times in all languages.

The highest Authors Interest rank from 2001:

• Local (German): #2337 in August 2009
• Global: #33255 in April 2003

The highest popularity rank from 2008:

• Local (German): #2977 in May 2018
• Global: #49432 in December 2008

There are 8 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) Opt-in		35.6997
2	English (en) Opt-in email		26.5882
3	Swedish (sv) Opt-in		21.5687
4	Japanese (ja) オプトイン		17.1043
5	French (fr) Opt in		16.127
6	Portuguese (pt) Opt-in		4.0543
7	Dutch (nl) Opt-insysteem		3.7252
8	Korean (ko) 옵트인		2.0243

More...

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

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

#	Language	Popularity award	Relative popularity
1	German (de) Opt-in		1 130 465
2	English (en) Opt-in email		942 152
3	French (fr) Opt in		348 107
4	Dutch (nl) Opt-insysteem		156 354
5	Portuguese (pt) Opt-in		86 787
6	Korean (ko) 옵트인		48 464
7	Japanese (ja) オプトイン		32 652
8	Swedish (sv) Opt-in		9 631

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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 "Opt-in" in June 2026

#	Language	Popularity award	Relative popularity
1	German (de) Opt-in		1 004
2	English (en) Opt-in email		700
3	French (fr) Opt in		281
4	Japanese (ja) オプトイン		146
5	Portuguese (pt) Opt-in		81
6	Korean (ko) 옵트인		79
7	Dutch (nl) Opt-insysteem		39
8	Swedish (sv) Opt-in		27

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

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

#	Language	AI award	Relative AI
1	German (de) Opt-in		108
2	English (en) Opt-in email		78
3	French (fr) Opt in		37
4	Dutch (nl) Opt-insysteem		24
5	Portuguese (pt) Opt-in		12
6	Japanese (ja) オプトイン		6
7	Swedish (sv) Opt-in		5
8	Korean (ko) 옵트인		3

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

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

#	Language	AI award	Relative AI
1	German (de) Opt-in		0
2	English (en) Opt-in email		0
3	French (fr) Opt in		0
4	Japanese (ja) オプトイン		0
5	Korean (ko) 옵트인		0
6	Dutch (nl) Opt-insysteem		0
7	Portuguese (pt) Opt-in		0
8	Swedish (sv) Opt-in		0

More...

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

Language versions of the article "Opt-in" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	French (fr) Opt in		87
2	German (de) Opt-in		60
3	English (en) Opt-in email		43
4	Japanese (ja) オプトイン		23
5	Dutch (nl) Opt-insysteem		12
6	Swedish (sv) Opt-in		10
7	Portuguese (pt) Opt-in		8
8	Korean (ko) 옵트인		7

More...

#	Language	Value
de	German Opt-in
en	English Opt-in email
fr	French Opt in
ja	Japanese オプトイン
ko	Korean 옵트인
nl	Dutch Opt-insysteem
pt	Portuguese Opt-in
sv	Swedish Opt-in

Best Rank

German: #2977 05.2018

Global: #49432 12.2008

Best Rank

German: #2337 08.2009

Global: #33255 04.2003

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 German Wikipedia the most popular articles on that day were: Demokratische Republik Kongo, Fußball-Weltmeisterschaft 2026, Senegal, Julian Nagelsmann, Erling Haaland, Sadio Mané, Fußball-Weltmeisterschaft 1994, Jürgen Klopp, Fußball-Europameisterschaft 2028, Fußball-Weltmeisterschaft.

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