SPF

Sender Policy Framework - simple email-validation system designed to detect email spoofing. Article “SPF” in Estonian Wikipedia has 17.9 points for quality (as of July 1, 2026). The article contains 2 references and 2 sections.

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

In June 2026 the article “SPF” was edited by 2 authors in Estonian Wikipedia (1117^th place) and written by 6 authors in all languages.

Since the creation of article “SPF”, its content was written by 1 registered users of Estonian Wikipedia and edited by 676 registered Wikipedia users in all languages.

The article is cited 3 times in Estonian Wikipedia and cited 517 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Estonian): #1117 in June 2026
• Global: #12333 in October 2004

The highest popularity rank from 2008:

• Local (Estonian): #93789 in June 2026
• Global: #17504 in January 2015

There are 21 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	English (en) Sender Policy Framework		48.815
2	Italian (it) Sender Policy Framework		40.1966
3	Dutch (nl) Sender Policy Framework		32.9317
4	German (de) Sender Policy Framework		29.5102
5	Slovak (sk) Sender Policy Framework		27.9937
6	Swedish (sv) Sender Policy Framework		27.4171
7	Portuguese (pt) Sender Policy Framework		25.543
8	Czech (cs) Sender Policy Framework		23.3677
9	Japanese (ja) Sender Policy Framework		21.878
10	Spanish (es) Sender Policy Framework		19.5202

More...

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

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

#	Language	Popularity award	Relative popularity
1	English (en) Sender Policy Framework		4 796 184
2	German (de) Sender Policy Framework		1 047 036
3	Russian (ru) Sender Policy Framework		452 634
4	Japanese (ja) Sender Policy Framework		359 820
5	French (fr) Sender Policy Framework		358 743
6	Spanish (es) Sender Policy Framework		329 207
7	Polish (pl) Sender Policy Framework		166 380
8	Dutch (nl) Sender Policy Framework		147 841
9	Italian (it) Sender Policy Framework		131 665
10	Czech (cs) Sender Policy Framework		80 869

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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 "SPF" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Sender Policy Framework		5 715
2	German (de) Sender Policy Framework		1 689
3	French (fr) Sender Policy Framework		699
4	Russian (ru) Sender Policy Framework		389
5	Dutch (nl) Sender Policy Framework		267
6	Spanish (es) Sender Policy Framework		180
7	Japanese (ja) Sender Policy Framework		178
8	Italian (it) Sender Policy Framework		169
9	Czech (cs) Sender Policy Framework		143
10	Chinese (zh) 发件人策略框架		123

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

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

#	Language	AI award	Relative AI
1	English (en) Sender Policy Framework		243
2	German (de) Sender Policy Framework		112
3	Italian (it) Sender Policy Framework		60
4	French (fr) Sender Policy Framework		39
5	Dutch (nl) Sender Policy Framework		34
6	Russian (ru) Sender Policy Framework		29
7	Japanese (ja) Sender Policy Framework		27
8	Spanish (es) Sender Policy Framework		25
9	Polish (pl) Sender Policy Framework		25
10	Czech (cs) Sender Policy Framework		19

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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 "SPF" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Estonian (et) SPF		2
2	Norwegian (no) Sender Policy Framework		2
3	Polish (pl) Sender Policy Framework		1
4	Ukrainian (uk) Sender Policy Framework		1
5	Bulgarian (bg) SPF		0
6	Czech (cs) Sender Policy Framework		0
7	German (de) Sender Policy Framework		0
8	English (en) Sender Policy Framework		0
9	Spanish (es) Sender Policy Framework		0
10	French (fr) Sender Policy Framework		0

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

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

#	Language	CI award	Relative CI
1	Japanese (ja) Sender Policy Framework		192
2	French (fr) Sender Policy Framework		71
3	English (en) Sender Policy Framework		62
4	German (de) Sender Policy Framework		33
5	Ukrainian (uk) Sender Policy Framework		24
6	Chinese (zh) 发件人策略框架		22
7	Russian (ru) Sender Policy Framework		18
8	Spanish (es) Sender Policy Framework		15
9	Polish (pl) Sender Policy Framework		11
10	Italian (it) Sender Policy Framework		10

More...

#	Language	Value
bg	Bulgarian SPF
cs	Czech Sender Policy Framework
de	German Sender Policy Framework
en	English Sender Policy Framework
es	Spanish Sender Policy Framework
et	Estonian SPF
fr	French Sender Policy Framework
he	Hebrew Sender Policy Framework
it	Italian Sender Policy Framework
ja	Japanese Sender Policy Framework
ko	Korean 전송자 정책 프레임워크
nl	Dutch Sender Policy Framework
no	Norwegian Sender Policy Framework
pl	Polish Sender Policy Framework
pt	Portuguese Sender Policy Framework
ru	Russian Sender Policy Framework
sk	Slovak Sender Policy Framework
sv	Swedish Sender Policy Framework
uk	Ukrainian Sender Policy Framework
vi	Vietnamese Sender Policy Framework
zh	Chinese 发件人策略框架

Best Rank

Estonian: #93789 06.2026

Global: #17504 01.2015

Best Rank

Estonian: #1117 06.2026

Global: #12333 10.2004

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 Estonian Wikipedia the most popular articles on that day were: Ülle Madise, Kongo Demokraatlik Vabariik, Kongo Vabariik, Silvia Ilves, Senegal, Erling Haaland, Ruhnu, Peeter Oja, Heli Jürgenson, Elevandiluurannik.

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