Planetarium.berlin - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
80% 
Page quality
90% 
Page structure
58% 
Link structure
83% 
Server
45% 
External factors
100% 
SEO Score
Response time
0.04 s
File size
118.20 kB
Words
612
Media files
29
Number of links
75 internal / 12 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Stiftung Planetarium Berlin
The length of the page title is perfect. (240 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Die Stiftung Planetarium Berlin wurde zum 1. Juli 2016 als rechtsfähige Stiftung des öffentlichen Rechts errichtet und vereint erstmals in der Geschichte der Stadt die astronomischen Einrichtungen Berlins.
The meta description is too long: 1258 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.planetarium.berlin/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de
Server location: United States of America
The following language is defined by HTML: de
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
descriptionDie Stiftung Planetarium Berlin wurde zum 1. Juli 2016 als rechtsfähige Stiftung des öffentlichen Rechts errichtet und vereint erstmals in der Geschichte der Stadt die astronomischen Einrichtungen Berlins.
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
langde
charsetutf-8

Test up to 1.000 webpages of planetarium.berlin with our free plan!

Try For Free
No trial. It's just free!

Page quality

Content
(Critically important)
This page contains 612 words. That's ok.
31.9% of the text are stop words.
The page contains a listing, which indicates a good text layout.
5 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 15.35 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
This page only loads 1 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 12 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
/themes/spb/logo.svgStiftung Planetarium Berlin Logo
/themes/spb/logo.svgStiftung Planetarium Berlin Logo
...sum_WikimediaCommons_0.png?itok=_BJhWq8nThe expansion of the universe after Big Bang © NASA/WMAP Science Team, Public domain, via Wikimedia Commons
...gger space 2022_Header.jpg?itok=xaXnpu5jStill »Moonbreaker 2121 - Ein Musikfestival auf dem Mond der Zukunft«. © bigger space 2022
...2024-02/Header-Flow_01.jpg?itok=hPJl7ZEfDome Promo aus der Produktion »Flow« © Rocco Helmchen
...t_SPB_SteffenJunghanss.jpg?itok=ryCEcKTcMädchen blickt durch Teleskop | © SPB, Foto: Steffen Junghanß
...tronomieAktuell-Header.png?itok=dCt87ZegAstronomie Aktuell mit Tim Florian Horn | Orionnebel © ESO/H. Drass et al.
...gendenDesNachthimmels2.jpg?itok=P5c0og6HStill aus »Legenden des Nachthimmels« | © Fulldome Studio DN
...ChemiedesLebens-Header.jpg?itok=O-GtnClwCell structure from "Chemistry of Life" © Norrköping Visualization Center C
...dlicheWeiten-Header2_0.jpg?itok=CwSnv-NMDoppelsternsystem © ESO
...-Sternenhaus-Header3_0.jpg?itok=1pkB9G9XKinder vor dem Planetenmodell © SPB / Foto: F.-M. Arndt
...atalieToczek_690x690px.jpg?itok=vXqAMPy0Planetarium
...1/Kategorie_Sternwarte.jpg?itok=L3YIMWy5Sternwarte
...fenJunghanss_690x690px.jpg?itok=DkPlx9EoHighlights & Konzerte
...atalieToczek_690x690px.jpg?itok=NOv_5zoFHörspiele & Lesungen
...SuedVerlag_1248x633px.jpeg?itok=t2vaG4iOKinder & Familie
...-c-SPB_Foto-CaroKadatz.jpg?itok=dqXHkm_DKita & Schule
...rtainmentInc_690x690px.jpg?itok=s_P-oWsrKino
..._SPB-FMArndt_690x690px.jpg?itok=iyaXFlH0Musikprogramme
...PedroBecerra_690x690px.jpg?itok=YnJ-MciJVorträge
...atalieToczek_690x690px.jpg?itok=6ZVHnefCWissenschaftstheater
...PedroBecerra_690x690px.jpg?itok=3ZRdeOffWorkshops & Kurse
...orschau_SoFi_2024_1zu1.jpg?itok=IZKf6bPXTotale Sonnenfinsternis | Bild © NASA Marshall Space Flight CenterTotale Sonnenfinsternis | Bild © NASA Marshall Space Flight Center
...VisualizationCenterC_0.png?itok=8-SwgTUf© Norrkoeping Visualization Center C© Norrkoeping Visualization Center C
...n2_NatalieToczek_Kreis.png?itok=FE74Zq5dZeiss-GroßplanetariumZeiss-Großplanetarium
...Sternwarte-Arndt_Kreis.png?itok=RuOnFKUzArchenhold-SternwarteArchenhold-Sternwarte
...toVolkerGehrmann_Kreis.png?itok=xOnIIKJNWilhelm-Foerster-SternwarteWilhelm-Foerster-Sternwarte
...toVolkerGehrmann_Kreis.png?itok=XcZPeM_yPlanetarium am InsulanerPlanetarium am Insulaner
...ublic/2018-08/Stiftung.png?itok=18GUD_yhStiftungsgrafik © yellow tooStiftungsgrafik © yellow too

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 37 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 Main navigation
H2 Service Menu
H2 Service Menu Duplicate text
H2 Mission Wissen: Die Evolution des Universums
H2 Moonbreaker 2121
H2 Flow – Visions of Time
H2 Kosmisches Sommerfest in der Archenhold-Sternwarte
H2 Astronomie Aktuell
H2 Legenden des Nachthimmels
H2 Die Chemie des Lebens
H2 Unendliche Weiten
H2 Besuch im Sternenhaus
H2 Veranstaltungen
H2 Neuigkeiten und Blog
H2 Totale Sonnenfinsternis am 8. April in Mexiko und den USA: kostenloses Live-Event im Zeiss-Großplanetarium!
H2 Deutschlandpremiere von »Die Chemie des Lebens – Das Unsichtbare in uns« am 1. Februar 2024 im Zeiss-Großplanetarium
H2 Besucherinformationen
H2 Stiftung Planetarium Berlin
H2 Zeiss-Großplanetarium
H2 Archenhold-Sternwarte
H2 Wilhelm-Foerster-Sternwarte
H2 Planetarium am Insulaner
H3 Planetarium
H3 Sternwarte
H3 Highlights & Konzerte
H3 Hörspiele & Lesungen
H3 Kinder & Familie
H3 Kita & Schule
H3 Kino
H3 Musik
H3 Vorträge
H3 Wissenschaftstheater
H3 Workshops & Kurse
H3 Zeiss-Großplanetarium Duplicate text
H3 Archenhold-Sternwarte Duplicate text
H3 Wilhelm-Foerster-Sternwarte Duplicate text
H3 Planetarium am Insulaner Duplicate text
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 12 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.planetarium.berlin/Anchor Direkt zum Inhalt
https://www.planetarium.berlin/Subdomain IMG-ALT Stiftung Planetarium Berlin Logo
/pressePresse
A-TITLE Presse/Aktuelles
/podcastsPodcasts
A-TITLE Podcasts der Stiftung Planetarium Berlin
/geschenkideenGeschenkideen
/blogBlog
A-TITLE Blog
/newsletterNewsletter
A-TITLE Newsletter
https://www.planetarium.berlin/De
https://www.planetarium.berlin/enEn
https://www.planetarium.berlin/Subdomain Text duplicate IMG-ALT Stiftung Planetarium Berlin Logo
/veranstaltungenVeranstaltungen
A-TITLE Veranstaltungen
/termine-ticketsTermine & Tickets
A-TITLE Termine & Tickets
/besuchBesuch
A-TITLE Besuch
/bildungBildung
A-TITLE Bildung
/ueber-unsÜber uns
A-TITLE Über uns
/mitmachenMitmachen
/presseText duplicate Presse
A-TITLE Presse/Aktuelles
/podcastsText duplicate Podcasts
A-TITLE Podcasts der Stiftung Planetarium Berlin
/geschenkideenText duplicate Geschenkideen
/blogText duplicate Blog
A-TITLE Blog
/newsletterText duplicate Newsletter
A-TITLE Newsletter
https://www.planetarium.berlin/Text duplicate De
https://www.planetarium.berlin/enText duplicate En
/veranstaltungen/mission-wisse...Mission Wissen: Die Evolution des Universums
/veranstaltungen/mission-wisse...Mission Wissen Die Evolution des Universums
IMG-ALT The expansion of the universe after Big Bang © NASA/WMAP Science Team, Public domain, via Wikimedia Commons
/veranstaltungen/moonbreaker-2121Moonbreaker 2121
/veranstaltungen/moonbreaker-2121Moonbreaker 2121 Ein Musikfestival auf dem Mond der Zukunft
IMG-ALT Still »Moonbreaker 2121 - Ein Musikfestival auf dem Mond der Zukunft«. © bigger space 2022
/veranstaltungen/flowFlow – Visions of Time
/veranstaltungen/flowFlow – Visions of time
IMG-ALT Dome Promo aus der Produktion »Flow« © Rocco Helmchen
/veranstaltungen/sommerfest-astwKosmisches Sommerfest in der Archenhold-Sternwarte
/veranstaltungen/sommerfest-astwKosmisches Sommerfest In der Archenhold-Sternwarte am 25. Mai 2024
IMG-ALT Mädchen blickt durch Teleskop | © SPB, Foto: Steffen Junghanß
/astronomie-aktuellAstronomie Aktuell
/astronomie-aktuellText duplicate Astronomie Aktuell
IMG-ALT Astronomie Aktuell mit Tim Florian Horn | Orionnebel © ESO/H. Drass et al.
/veranstaltungen/legenden-des-...Legenden des Nachthimmels
/veranstaltungen/legenden-des-...Legenden Des Nachthimmels
IMG-ALT Still aus »Legenden des Nachthimmels« | © Fulldome Studio DN
/chemie-des-lebensDie Chemie des Lebens
/chemie-des-lebensDie chemie des lebens Das Unsichtbare in uns
IMG-ALT Cell structure from "Chemistry of Life" © Norrköping Visualization Center C
/veranstaltungen/unendliche-we...Unendliche Weiten
/veranstaltungen/unendliche-we...Text duplicate Unendliche Weiten
IMG-ALT Doppelsternsystem © ESO
/veranstaltungen/besuch-im-ste...Besuch im Sternenhaus
/veranstaltungen/besuch-im-ste...Text duplicate Besuch im Sternenhaus
IMG-ALT Kinder vor dem Planetenmodell © SPB / Foto: F.-M. Arndt
/veranstaltungsart/planetariumPlanetarium
IMG-ALT Planetarium
/veranstaltungsart/sternwarteSternwarte
IMG-ALT Sternwarte
/veranstaltungsart/highlights-...Highlights & Konzerte
IMG-ALT Highlights & Konzerte
/veranstaltungsart/hoerspiele-...Hörspiele & Lesungen
IMG-ALT Hörspiele & Lesungen
/veranstaltungsart/kinder-familieKinder & Familie
IMG-ALT Kinder & Familie
/veranstaltungsart/kita-schuleKita & Schule
IMG-ALT Kita & Schule
/veranstaltungsart/kinoKino
IMG-ALT Kino
/veranstaltungsart/musikMusik
IMG-ALT Musikprogramme
/veranstaltungsart/vortraegeVorträge
IMG-ALT Vorträge
/veranstaltungsart/wissenschaf...Wissenschaftstheater
IMG-ALT Wissenschaftstheater
/veranstaltungsart/workshops-k...Workshops & Kurse
IMG-ALT Workshops & Kurse
/termine-ticketsWeitere Veranstaltungen
A-TITLE Weitere Veranstaltungen
/blog/totale-sonnenfinsternis-...Totale Sonnenfinsternis am 8. April in Mexiko und den USA: kostenloses Live-Event im Zeiss-Großplanetarium!
/blog/totale-sonnenfinsternis-...mehr...
/blog/deutschlandpremiere-von-...Deutschlandpremiere von »Die Chemie des Lebens – Das Unsichtbare in uns« am 1. Februar 2024 im Zeiss-Großplanetarium
/blog/deutschlandpremiere-von-...Text duplicate mehr...
/blogAlle Blogeinträge
A-TITLE Alle Blogeinträge
/zeiss-grossplanetariumIMG-ALT Zeiss-Großplanetarium
/zeiss-grossplanetariumText duplicate Zeiss-Großplanetarium
/archenhold-sternwarteIMG-ALT Archenhold-Sternwarte
/archenhold-sternwarteText duplicate Archenhold-Sternwarte
/wilhelm-foerster-sternwarteIMG-ALT Wilhelm-Foerster-Sternwarte
/wilhelm-foerster-sternwarteText duplicate Wilhelm-Foerster-Sternwarte
/planetarium-am-insulanerIMG-ALT Planetarium am Insulaner
/planetarium-am-insulanerText duplicate Planetarium am Insulaner
/ueber-unsMehr Informationen
A-TITLE Mehr Informationen
/zeiss-grossplanetariumText duplicate Zeiss-Großplanetarium
https://de-de.facebook.com/zei...External Subdomain A-TITLE Facebook
https://www.instagram.com/plan...External Subdomain A-TITLE Instagram
https://www.youtube.com/stiftu...External Subdomain A-TITLE YouTube
/archenhold-sternwarteText duplicate Archenhold-Sternwarte
https://de-de.facebook.com/arc...External Subdomain Text duplicate A-TITLE Facebook
https://www.instagram.com/plan...External Subdomain Text duplicate A-TITLE Instagram
https://www.youtube.com/stiftu...External Subdomain Text duplicate A-TITLE YouTube
/wilhelm-foerster-sternwarteText duplicate Wilhelm-Foerster-Sternwarte
https://de-de.facebook.com/pla...External Subdomain Text duplicate A-TITLE Facebook
https://www.instagram.com/plan...External Subdomain Text duplicate A-TITLE Instagram
https://www.youtube.com/stiftu...External Subdomain Text duplicate A-TITLE YouTube
/planetarium-am-insulanerText duplicate Planetarium am Insulaner
https://de-de.facebook.com/pla...External Subdomain Text duplicate A-TITLE Facebook
https://www.instagram.com/plan...External Subdomain Text duplicate A-TITLE Instagram
https://www.youtube.com/stiftu...External Subdomain Text duplicate A-TITLE YouTube
/newsletterText duplicate Newsletter
A-TITLE Newsletter
/faq-haeufig-gestellte-fragenFAQ
A-TITLE Häufig gestellte Fragen
/impressumImpressum
A-TITLE Impressum
/datenschutzDatenschutz
A-TITLE Datenschutz

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.planetarium.berlin/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time is excellent with 0.04 seconds.
This page only loads 2 CSS files. That's ok.
This page only loads 1 JavaScript files. That's good!
The file size of the HTML document is fine (118 kB).

HTTP Response Header

NameValue
cache-controlmax-age=900, public
dateTue, 30 Apr 2024 04:42:24 GMT
x-drupal-dynamic-cacheMISS
content-languagede
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
expiresSun, 19 Nov 1978 05:00:00 GMT
varyCookie
x-generatorDrupal 10 (https://www.drupal.org)
x-drupal-cacheHIT
last-modifiedTue, 30 Apr 2024 04:31:29 GMT
etag"1714451489"
content-length121009
content-typetext/html; charset=UTF-8
serverApache
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 807 referring domains.
This page has 13,094 backlinks.
This page has backlinks from 678 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 3365 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

#
# 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

Similar sites

Search preview

www.planetarium.berlin
Stiftung Planetarium Berlin
Die Stiftung Planetarium Berlin wurde zum 1. Juli 2016 als rechtsfähige Stiftung des öffentlichen Rechts errichtet und vereint erstmals in der Geschichte der Stadt die astronomischen Einrichtungen Berlins.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Planetarium83%Check
Planetarium Berlin81%Check
Stiftung Planetarium Berlin77%Check
Berlin75%Check
Stiftung68%Check
Planetarium am Insulaner60%Check
rechtsfähige Stiftung56%Check
2016 rechtsfähige Stiftung53%Check
Archenhold-Sternwarte48%Check
Wilhelm-Foerster-Sternwarte48%Check
Show more keywords and terms

Test up to 1.000 webpages of planetarium.berlin with our free plan!

Try For Free
No trial. It's just free!

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions