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W

www.cfa.harvard.edu

Registriran
Posnetek zaslona www.cfa.harvard.edu
Posnetek zaslona spletnega mesta
Datum posodobitve analize strani: 2026/02/26 17:39:08
Zadnji datum posodobitve whois: 2026/07/19 08:11:13
Status domene
Registriran
Plačano do
31.07.2027
Na voljo od
30.08.2027
SEO ocena
59.59%
87
Rezultat dosežen
146
Največji rezultat

Glavne informacije

ℹ️
Naslov: Home | Center for Astrophysics | Harvard & Smithsonian
Opis: neznano
Ključne besede: neznano
Kodiranje strani: utf-8
Velikost datoteke strani: 88 KB

Informacije o strežniku

🖥️
IP: 104.20.19.56
Lokacija: ,,,,,,
Http strežnik: cloudflare
Kodiranje: utf-8
Poganja: php/8.2.28

Seznam metaoznak

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Notranje povezave

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Zunanje povezave

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Whois informacije

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update_date: 04-Jun-2026
update_time: 1780531200
expiration_date: 31-Jul-2027
expiration_time: 1816992000

Surovi podatki Whois

📋
            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: HARVARD.EDU
Registrant:
Harvard University
Massachusetts Hall
Cambridge, MA 02138
USA
Administrative Contact:
Benjamin Dash
Harvard University
784 Memorial Drive
Cambridge, MA 02138
USA
+1.6174955708
[email protected]
Technical Contact:
Network Operations
Harvard University
HUIT Network Services
60 Oxford Street
Cambridge, MA 02139
USA
+1.6174955708
[email protected]
Name Servers:
A16-64.AKAM.NET
A1-171.AKAM.NET
A10-66.AKAM.NET
A7-65.AKAM.NET
A11-67.AKAM.NET
A6-66.AKAM.NET
Domain record activated: 27-Jun-1985
Domain record last updated: 04-Jun-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: 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
Disallow: /web.config
# 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
        

SEO revizija

🔍

Tehnični SEO

Koda odziva
200
Stanje 200 OK - stran se pravilno naloži.
Kodiranje znakov
Page: utf-8, Header: utf-8
Kodiranje znakov, skladno med HTML in glavami.
Velikost strani
90134 bytes
Velikost strani sprejemljiva za hitro nalaganje.
!
Viri
52 total
Preveč sredstev. Optimizirajte in kombinirajte datoteke za boljše delovanje.
Oznake Hreflang
0 hreflang tags
Dodajte oznake hreflang, če imate večjezično vsebino.
Robots.txt
Exists
Najdena datoteka robots.txt.
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Sitemap
Not found
Dodajte sitemap.xml in se sklicujte nanj v robots.txt.
HTTPS
Yes
Varna povezava HTTPS je omogočena.
!
Stiskanje
br
Omogočite stiskanje gzip ali zstd, da zmanjšate velikost datotek.
Predpomnjenje
max-age=300, public
Glave za nadzor predpomnilnika so pravilno nastavljene.
Hitrost strani
1.96 ms
Odlična hitrost nalaganja.

SEO na strani

Naslov
Home | Center for Astrophysics | Harvard & Smithsonian
Dobra dolžina naslova (30-60 znakov).
!
Meta opis
Lenght:0
Dodajte meta opis (priporočeno 100–160 znakov).
!
Naslov H1
0 found - ""
Dodajte točno en naslov H1 s primarnimi ključnimi besedami.
Štetje besed
511
Dobra dolžina vsebine (priporočeno 500–2000 besed).
!
Canonical Tag
Dodajte kanonično oznako, da preprečite težave s podvojeno vsebino.
Podvojena meta
[]
Ni podvojenih metaoznak.
Ključne besede
Meta ključne besede so neobvezne (ne uporabljajo jih večji iskalniki).

Vsebina in UX

Jezik
en
Jezikovni atribut je pravilno nastavljen.
!
Slike
1 total, 1 missing ALT
Dodajte besedilo ALT slikam za dostopnost in SEO.
Viewport
width=device-width, initial-scale=1.0
Metaoznaka vidnega polja je pravilno nastavljena za mobilne naprave.
!
Odpri graf
Missing: og:title, og:description, og:image, og:url
Dodajte manjkajoče oznake OpenGraph za skupno rabo v družabnih medijih:og:title, og:description, og:image, og:url
!
Strukturirani podatki
0 JSON-LD scripts
Dodajte strukturirane podatke (JSON-LD) za bogate izrezke in boljši SEO.

Položaji v Google

Iskalne fraze - Google

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Položaj Fraza Stran Izrezek
1old the big/big-questions/what-...
2night today/current-night-sky
5seen today/current-night-sky
7black hole/research/topic/blac...
8what s am i seeing/current-night-sky
8first big/big-questions/what-...

Dodatne storitve

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