Δ18O

δ18O - measure of the ratio of stable isotopes oxygen-18 and oxygen-16. Article “Δ18O” in English Wikipedia has 28.3 points for quality (as of July 1, 2025). The article contains 9 references and 7 sections.

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

Since the creation of article “Δ18O”, its content was written by 65 registered users of English Wikipedia and edited by 170 registered Wikipedia users in all languages.

The article is cited 128 times in English Wikipedia and cited 353 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #81857 in January 2011
• Global: #62469 in February 2025

The highest popularity rank from 2008:

• Local (English): #196806 in April 2015
• Global: #299592 in April 2015

There are 11 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	Catalan (ca) Δ18O		40.4414
2	German (de) Δ18O		38.8314
3	English (en) Δ18O		28.2766
4	Swedish (sv) Δ18O		25.3999
5	French (fr) Δ18O		17.1652
6	Spanish (es) Δ18O		16.7866
7	Chinese (zh) Δ18O		13.05
8	Italian (it) Delta-O-18		13.0304
9	Japanese (ja) Δ18O		11.503
10	Portuguese (pt) Delta-O-18		11.4923

More...

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

The most popular language versions of the article "Δ18O" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Δ18O		497 245
2	German (de) Δ18O		92 273
3	French (fr) Δ18O		36 662
4	Italian (it) Delta-O-18		29 791
5	Japanese (ja) Δ18O		12 568
6	Chinese (zh) Δ18O		10 564
7	Spanish (es) Δ18O		7 821
8	Portuguese (pt) Delta-O-18		4 900
9	Catalan (ca) Δ18O		254
10	Swedish (sv) Δ18O		248

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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 "Δ18O" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Δ18O		2 095
2	French (fr) Δ18O		515
3	German (de) Δ18O		300
4	Chinese (zh) Δ18O		144
5	Japanese (ja) Δ18O		120
6	Italian (it) Delta-O-18		101
7	Spanish (es) Δ18O		71
8	Portuguese (pt) Delta-O-18		35
9	Swedish (sv) Δ18O		12
10	Arabic (ar) Δ18O		11

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

Language versions of the article "Δ18O" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Δ18O		65
2	German (de) Δ18O		54
3	Italian (it) Delta-O-18		17
4	French (fr) Δ18O		14
5	Portuguese (pt) Delta-O-18		4
6	Swedish (sv) Δ18O		4
7	Chinese (zh) Δ18O		4
8	Japanese (ja) Δ18O		3
9	Catalan (ca) Δ18O		2
10	Spanish (es) Δ18O		2

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 "Δ18O" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) Δ18O		0
2	Catalan (ca) Δ18O		0
3	German (de) Δ18O		0
4	English (en) Δ18O		0
5	Spanish (es) Δ18O		0
6	French (fr) Δ18O		0
7	Italian (it) Delta-O-18		0
8	Japanese (ja) Δ18O		0
9	Portuguese (pt) Delta-O-18		0
10	Swedish (sv) Δ18O		0

More...

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

Language versions of the article "Δ18O" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Δ18O		128
2	German (de) Δ18O		78
3	Italian (it) Delta-O-18		58
4	French (fr) Δ18O		34
5	Arabic (ar) Δ18O		12
6	Chinese (zh) Δ18O		11
7	Catalan (ca) Δ18O		9
8	Portuguese (pt) Delta-O-18		8
9	Japanese (ja) Δ18O		7
10	Spanish (es) Δ18O		5

More...

#	Language	Value
ar	Arabic Δ18O
ca	Catalan Δ18O
de	German Δ18O
en	English Δ18O
es	Spanish Δ18O
fr	French Δ18O
it	Italian Delta-O-18
ja	Japanese Δ18O
pt	Portuguese Delta-O-18
sv	Swedish Δ18O
zh	Chinese Δ18O

Best Rank

English: #196806 04.2015

Global: #299592 04.2015

Best Rank

English: #81857 01.2011

Global: #62469 02.2025

On 10 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Ghislaine Maxwell, Ilia Malinin, Bad Bunny, 2026 Winter Olympics, Epstein files, Jutta Leerdam, Jake Paul, Puerto Rico, Little Saint James.

In English Wikipedia the most popular articles on that day were: Bad Bunny, Jeffrey Epstein, Epstein files, Ilia Malinin, Savannah Guthrie, Ghislaine Maxwell, 2026 Winter Olympics, List of Super Bowl halftime shows, Eileen Gu, Jutta Leerdam.

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