ALT

Approach and Landing Tests - trials of the prototype Space Shuttle Enterprise. Article “ALT” in Bulgarian Wikipedia has 13.9 points for quality (as of July 1, 2026). The article contains 0 references and 8 sections.

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

Since the creation of article “ALT”, its content was written by 9 registered users of Bulgarian Wikipedia and edited by 200 registered Wikipedia users in all languages.

The article is cited 9 times in Bulgarian Wikipedia and cited 980 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Bulgarian): #131 in August 2011
• Global: #27976 in July 2004

The highest popularity rank from 2008:

• Local (Bulgarian): #34745 in August 2011
• Global: #120505 in July 2009

There are 12 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) Approach and Landing Tests		59.4878
2	Korean (ko) 엔터프라이즈호의 진입 착륙 시험		51.9749
3	German (de) Approach and Landing Tests		50.9624
4	Japanese (ja) 進入・着陸試験		41.6474
5	Vietnamese (vi) Tiếp cận và hạ cánh thử nghiệm tàu con thoi		38.4506
6	Spanish (es) Approach and Landing Tests		37.1993
7	Polish (pl) ALT - Próby podejścia i lądowania		29.5491
8	Arabic (ar) تجارب الاقتراب والهبوط		15.7533
9	Bulgarian (bg) ALT		13.8544
10	French (fr) Tests d'approche et d'atterrissage de la navette spatiale américaine		10.5491

More...

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

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

#	Language	Popularity award	Relative popularity
1	English (en) Approach and Landing Tests		628 786
2	French (fr) Tests d'approche et d'atterrissage de la navette spatiale américaine		50 983
3	German (de) Approach and Landing Tests		37 465
4	Italian (it) Approach and Landing Tests		20 228
5	Polish (pl) ALT - Próby podejścia i lądowania		18 931
6	Japanese (ja) 進入・着陸試験		3 922
7	Spanish (es) Approach and Landing Tests		2 924
8	Bulgarian (bg) ALT		2 879
9	Arabic (ar) تجارب الاقتراب والهبوط		2 481
10	Vietnamese (vi) Tiếp cận và hạ cánh thử nghiệm tàu con thoi		2 288

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 "ALT" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Approach and Landing Tests		1 898
2	French (fr) Tests d'approche et d'atterrissage de la navette spatiale américaine		136
3	Japanese (ja) 進入・着陸試験		48
4	Polish (pl) ALT - Próby podejścia i lądowania		46
5	Korean (ko) 엔터프라이즈호의 진입 착륙 시험		40
6	German (de) Approach and Landing Tests		39
7	Spanish (es) Approach and Landing Tests		29
8	Italian (it) Approach and Landing Tests		23
9	Persian (fa) آزمایش‌های نزدیکی و فرود		9
10	Vietnamese (vi) Tiếp cận và hạ cánh thử nghiệm tàu con thoi		9

More...

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

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

#	Language	AI award	Relative AI
1	German (de) Approach and Landing Tests		57
2	English (en) Approach and Landing Tests		55
3	French (fr) Tests d'approche et d'atterrissage de la navette spatiale américaine		19
4	Italian (it) Approach and Landing Tests		16
5	Polish (pl) ALT - Próby podejścia i lądowania		14
6	Spanish (es) Approach and Landing Tests		10
7	Bulgarian (bg) ALT		9
8	Vietnamese (vi) Tiếp cận và hạ cánh thử nghiệm tàu con thoi		7
9	Japanese (ja) 進入・着陸試験		5
10	Arabic (ar) تجارب الاقتراب والهبوط		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 "ALT" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) تجارب الاقتراب والهبوط		1
2	Bulgarian (bg) ALT		0
3	German (de) Approach and Landing Tests		0
4	English (en) Approach and Landing Tests		0
5	Spanish (es) Approach and Landing Tests		0
6	Persian (fa) آزمایش‌های نزدیکی و فرود		0
7	French (fr) Tests d'approche et d'atterrissage de la navette spatiale américaine		0
8	Italian (it) Approach and Landing Tests		0
9	Japanese (ja) 進入・着陸試験		0
10	Korean (ko) 엔터프라이즈호의 진입 착륙 시험		0

More...

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

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

#	Language	CI award	Relative CI
1	English (en) Approach and Landing Tests		286
2	French (fr) Tests d'approche et d'atterrissage de la navette spatiale américaine		167
3	Arabic (ar) تجارب الاقتراب والهبوط		148
4	Persian (fa) آزمایش‌های نزدیکی و فرود		145
5	Korean (ko) 엔터프라이즈호의 진입 착륙 시험		58
6	Italian (it) Approach and Landing Tests		53
7	Polish (pl) ALT - Próby podejścia i lądowania		45
8	Japanese (ja) 進入・着陸試験		43
9	German (de) Approach and Landing Tests		20
10	Bulgarian (bg) ALT		9

More...

#	Language	Value
ar	Arabic تجارب الاقتراب والهبوط
bg	Bulgarian ALT
de	German Approach and Landing Tests
en	English Approach and Landing Tests
es	Spanish Approach and Landing Tests
fa	Persian آزمایش‌های نزدیکی و فرود
fr	French Tests d'approche et d'atterrissage de la navette spatiale américaine
it	Italian Approach and Landing Tests
ja	Japanese 進入・着陸試験
ko	Korean 엔터프라이즈호의 진입 착륙 시험
pl	Polish ALT - Próby podejścia i lądowania
vi	Vietnamese Tiếp cận và hạ cánh thử nghiệm tàu con thoi

Best Rank

Bulgarian: #34745 08.2011

Global: #120505 07.2009

Best Rank

Bulgarian: #131 08.2011

Global: #27976 07.2004

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 Bulgarian Wikipedia the most popular articles on that day were: Демократична република Конго, Република Конго, Джулай, Световно първенство по футбол 2026, Сенегал, Кот д'Ивоар, Хари Кейн, Световно първенство по футбол, Джон Лоутън (музикант), Стара Велика България.

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