airandspace.si.edu

Βασικές Πληροφορίες

ℹ️

Τίτλος: Homepage | National Air and Space Museum

Περιγραφή: The Smithsonian

Λέξεις-κλειδιά: Unknown

Κωδικοποίηση σελίδας: utf-8

Μέγεθος αρχείου σελίδας: 183 KB

Πληροφορίες διακομιστή

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IP: 172.67.167.177

Τοποθεσία: ,,,,,,

Διακομιστής Http: cloudflare

Κωδικοποίηση: utf-8

Λίστα μετα-ετικέτες

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charset: utf-8
name: description content: The Smithsonian's National Air and Space Museum maintains the world's largest and most significant collection of aviation and space artifacts, encompassing all aspects of human flight. It operates two landmark facilities that, together, welcome more than eight million visitors a year.
property: og:description content: The Smithsonian's National Air and Space Museum maintains the world's largest and most significant collection of aviation and space artifacts, encompassing all aspects of human flight. It operates two landmark facilities that, together, welcome more than
property: og:image content: https://airandspace.si.edu/sites/default/files/2022-08/nasm_planet_large.png
property: og:image:secure_url content: https://airandspace.si.edu/sites/default/files/2022-08/nasm_planet_large.png
name: twitter:card content: summary_large_image
name: twitter:site content: @airandspace
name: twitter:title content: Homepage
name: twitter:description content: The Smithsonian's National Air and Space Museum maintains the world's largest and most significant collection of aviation and space artifacts, encompassing all aspects of human flight.
name: twitter:image content: https://airandspace.si.edu/sites/default/files/2022-08/nasm_planet_large.png
name: Generator content: Drupal 11 (https://www.drupal.org)
name: MobileOptimized content: width
name: HandheldFriendly content: true
name: viewport content: width=device-width, initial-scale=1.0
name: bundle content: Homepage
name: cttype content: homepage
equiv: x-ua-compatible content: ie=edge
name: google-site-verification content: A6EYCksErPTzKSXCkFZy9LCkBSqUzMHo017sw6REZeQ
name: nasm-2021

Εσωτερικοί σύνδεσμοι

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Εξωτερικοί σύνδεσμοι

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Πληροφορίες Whois

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update_date: 13-Jan-2026

update_time: 1768262400

expiration_date: 31-Jul-2027

expiration_time: 1816992000

Whois Raw Data

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            This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.
The EDUCAUSE Whois database is authoritative for the
.EDU domain.
A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu
By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail.  The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.
-------------------------------------------------------------
Domain Name: SI.EDU
Registrant:
Smithsonian Institution
380 Herndon Parkway
Herndon, VA 20170
USA
Administrative Contact:
Brian Alpert
Smithsonian Institution
380 Herndon Parkway, MRC 1010
Herndon, VA 20170
USA
+1.2026333955
[email protected]
Technical Contact:
Joseph Johnston
Smithsonian Institution
380 Herndon Parkway
Herndon, VA 20170
USA
+1.2026332715
[email protected]
Name Servers:
A9-64.AKAM.NET
A1-88.AKAM.NET
A26-66.AKAM.NET
A28-65.AKAM.NET
A24-67.AKAM.NET
A11-67.AKAM.NET
Domain record activated:    19-Jun-1992
Domain record last updated: 13-Jan-2026
Domain expires:             31-Jul-2027

Robots.txt

🤖

			# As a condition of accessing this website, you agree to abide by the following
# content signals:

# (a)  If a Content-Signal = yes, you may collect content for the corresponding
#      use.
# (b)  If a Content-Signal = no, you may not collect content for the
#      corresponding use.
# (c)  If the website operator does not include a Content-Signal for a
#      corresponding use, the website operator neither grants nor restricts
#      permission via Content-Signal with respect to the corresponding use.

# The content signals and their meanings are:

# search:   building a search index and providing search results (e.g., returning
#           hyperlinks and short excerpts from your website's contents). Search does not
#           include providing AI-generated search summaries.
# ai-input: inputting content into one or more AI models (e.g., retrieval
#           augmented generation, grounding, or other real-time taking of content for
#           generative AI search answers).
# ai-train: training or fine-tuning AI models.

# ANY RESTRICTIONS EXPRESSED VIA CONTENT SIGNALS ARE EXPRESS RESERVATIONS OF
# RIGHTS UNDER ARTICLE 4 OF THE EUROPEAN UNION DIRECTIVE 2019/790 ON COPYRIGHT
# AND RELATED RIGHTS IN THE DIGITAL SINGLE MARKET.

# BEGIN Cloudflare Managed content

User-agent: *
Content-Signal: search=yes,ai-train=no
Allow: /

User-agent: Amazonbot
Disallow: /

User-agent: Applebot-Extended
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: CCBot
Disallow: /

User-agent: ClaudeBot
Disallow: /

User-agent: CloudflareBrowserRenderingCrawler
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: GPTBot
Disallow: /

User-agent: meta-externalagent
Disallow: /

# END Cloudflare Managed Content

#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.md
Disallow: /composer/Metapackage/README.txt
Disallow: /composer/Plugin/ProjectMessage/README.md
Disallow: /composer/Plugin/Scaffold/README.md
Disallow: /composer/Plugin/VendorHardening/README.txt
Disallow: /composer/Template/README.txt
Disallow: /modules/README.txt
Disallow: /sites/README.txt
Disallow: /themes/README.txt
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed

# Additional Paths
User-agent: *
Disallow: /search?*
Disallow: /collections?*
Disallow: /collections/search?*
Disallow: /explore/collections/search?
Disallow: /explore/collections/search?*
Disallow: /explore/collections/search
Disallow: /explore/collections/search?edan_q
Disallow: /explore/collections/search?edan_q*
Disallow: /si_signup/nasm_theme_signup_form

Έλεγχος SEO

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Τεχνικό SEO

✓

Κωδικός απόκρισης

200

Κατάσταση 200 OK - η σελίδα φορτώνεται σωστά.

✓

Κωδικοποίηση χαρακτήρων

Page: utf-8, Header: utf-8

Κωδικοποίηση χαρακτήρων συνεπής μεταξύ HTML και κεφαλίδων.

✓

Μέγεθος σελίδας

188023 bytes

Μέγεθος σελίδας αποδεκτό για γρήγορη φόρτωση.

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Πόροι

69 total

Πάρα πολλοί πόροι. Βελτιστοποιήστε και συνδυάστε αρχεία για καλύτερη απόδοση.

✓

Ετικέτες Hreflang

1 hreflang tags

Βρέθηκαν ετικέτες Hreflang για πολύγλωσσο SEO.

✓

Robots.txt

Exists

Βρέθηκε το αρχείο Robots.txt.

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Sitemap

Not found

Προσθέστε sitemap.xml και αναφέρετέ το στο robots.txt.

✓

HTTPS

Yes

Ενεργοποιήθηκε η ασφαλής σύνδεση HTTPS.

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Συμπίεση

br

Ενεργοποιήστε τη συμπίεση gzip ή zstd για να μειώσετε τα μεγέθη αρχείων.

✓

Προσωρινή αποθήκευση

max-age=3600, public

Οι κεφαλίδες ελέγχου προσωρινής μνήμης έχουν οριστεί σωστά.

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Ταχύτητα σελίδας

2.26 ms

Εξαιρετική ταχύτητα φόρτωσης.

SEO στη σελίδα

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Τίτλος

Homepage | National Air and Space Museum

Καλό μήκος τίτλου (30-60 χαρακτήρες).

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Meta Περιγραφή

The Smithsonian Lenght:15

Η μετα-περιγραφή είναι πολύ σύντομη. Ανάπτυξη σε 100-160 χαρακτήρες.

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Επικεφαλίδα Η1

1 found - "Take your curiosity to new heights"

Καλή - βρέθηκε μια επικεφαλίδα H1.

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Καταμέτρηση λέξεων

343

Το περιεχόμενο κάπως σύντομο. Επεκτείνετε σε 500+ λέξεις για βέλτιστο SEO.

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Κανονική ετικέτα

Προσθέστε κανονική ετικέτα για να αποτρέψετε προβλήματα διπλού περιεχομένου.

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Διπλότυπο Meta

[]

Δεν βρέθηκαν διπλότυπες μετα-ετικέτες.

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Λέξεις-κλειδιά

Unknown

Σύνολο λέξεων-κλειδιών meta (σημείωση: δεν χρησιμοποιείται από μεγάλες μηχανές αναζήτησης).

Περιεχόμενο και UX

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Γλώσσα

en

Το χαρακτηριστικό γλώσσας έχει οριστεί σωστά.

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εικόνες

30 total, 1 missing ALT

Προσθέστε κείμενο ALT στις εικόνες για προσβασιμότητα και SEO.

✓

Θύρα προβολής

width=device-width, initial-scale=1.0

Η μετα-ετικέτα θύρας προβολής έχει ρυθμιστεί σωστά για κινητές συσκευές.

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Ανοίξτε το γράφημα

Missing: og:title, og:url

Προσθέστε ετικέτες OpenGraph που λείπουν για κοινή χρήση μέσων κοινωνικής δικτύωσης:og:title, og:url

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Δομημένα Δεδομένα

0 JSON-LD scripts

Προσθέστε δομημένα δεδομένα (JSON-LD) για πλούσια αποσπάσματα και καλύτερο SEO.

Αναζήτηση φράσεων - Google

🔍

Θέση	Φράση	Σελίδα	Απόσπασμα
5	boeing b 29 superfortress	/collection-objects/...	Boeing B-29 Superfortress Enola Gay Boeing's B-29 Superfortress was the most sophisticated propeller-driven bomber of World War II and the first bomber to house its crew in pressurized ...
5	ac 35	/collection-objects/...	Autogiro Company of America AC-35 The innovative two-seat AC - 35 Autogiro could takeoff and land in 52 m (173 ft). After folding back the rotors, the pilot could switch engine power to the rear ...
5	x r 5	/collection-objects/...	Sikorsky XR-5 Two-seat helicopter with single main and tail rotors and tricycle landing gear . Dimensions. Rotor diameter 48 feet, height 13 feet, length 57 feet 1 inch ...
5	s a 2	/collection-objects/...	SA-2 Guideline Missile Developed by the Soviet Union, the SA-2 has been the most widely used air defense missile in the world .
6(+5)	a moon	/stories/editorial/w...	What Makes a Moon a Moon? 14 нояб. 2024 г. — A moon is a planetary body that goes around another planetary body . Usually, this is one or more moons going around a planet, but it doesn't ...
7	b 29	/collection-objects/...	Boeing B-29 Superfortress Enola Gay Boeing's B-29 Superfortress was the most sophisticated propeller-driven bomber of World War II and the first bomber to house its crew in pressurized ...
9(+1)	dc 7	/collection-objects/...	Douglas DC-7 The Douglas DC-7 was an advanced development of the DC-6B piston-engine airliner . It was introduced by American Airlines on its New York–Los Angeles route in ...
9	d h 4	/collection-objects/...	Dayton-Wright DH-4 \| National Air and Space Museum Two-seat, single-engine World War I biplane observation and bomber aircraft
19	north american x 15	/collection-objects/...	North American X-15 13 мая 2022 г. — First flown in 1959, the North American X-15 bridged the gap between human flight in the atmosphere and spaceflight . It was the first winged ...
20	air opening	/visit/museum-dc	Visit the Museum in DC, Free Timed-Entry Passes Required Five new galleries will open on July 28, 2025 with more opening next year. ... From lectures to hands-on family days and more, discover all the events the ...

Πρόσθετες Υπηρεσίες

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