Theater-duisburg.de - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
44% 
Page structure
17% 
Link structure
60% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.16 s
File size
63.20 kB
Words
514
Media files
1
Number of links
69 internal / 39 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | Theater Duisburg
The length of the page title is perfect. (225 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Theater Duisburg
The meta description is too short. (107 pixels out of 1000 max pixel length) Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is 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
descriptionTheater Duisburg
keywordsTheater, Duisburg, Schauspiel, Oper, Tanz, Theater Duisburg, Home
viewportwidth=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=0
msapplication-TileColor#000000
theme-color#000000
authorTheater Duisburg
generatorspiritec WebCMS für Opernhäuser und Theater
robotsindex, follow
langde
og:localede
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
There are 2 text duplicates on this page:
  • Duplicate: mit Tianyi Lu, Anna Sophia Theil, Anna Harvey, Sebastian Kohlhepp, Dav...
The average number of words per sentence of 49 words is high.
This page contains 514 words. That's ok.
17.9% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
3 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=0" is provided.
At least one Apple touch icon is specified.
This page only loads 3 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 10 tags for this page.
Image SEO
(Somewhat important)
1 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
...er_duisburg_5_foto_hans_joerg_michel.jpgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Verzehrt
Too many H1 headings
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (8 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Verzehrt
H1 Tosca
H1 MOZART-REQUIEM
H1 Der Kissenmann
H1 Drei Meister – Drei Werke
H3 KOMMENDE VERANSTALTUNGEN
H3 TANZtage Duisburg
H3 TANZtage Duisburg Duplicate text
H3 TANZtage Duisburg Duplicate text
H3 Mozart-Requiem
H3 AKTUELLE NEUIGKEITEN
H4 Unsere Oster-Überraschung
H4 Roland Riebeling
H4 Unser Opern- & Ballett-Navigator
H4 10 Fakten zu...
H4 DUISBURGER PHILHARMONIKER GEHEN MIT EIGENER MEDIATHEK ONLINE
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
4 links don't have an anchor text.
There are 1 links with a trivial anchor text.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are too many external links (39) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.theater-duisburg.de/No Text
/spielplan/kalender/Spielplan
/karten/tickets/Karten
https://www.theater-duisburg.de/No Text
/spielplan/Text duplicate Spielplan
/spielplan/kalender/Kalender
/spielplan/schauspiel/Schauspiel
/spielplan/oper/Oper
/spielplan/ballett/Ballett
/spielplan/konzert/Konzert
/spielplan/jung/Jung
/spielplan/extra/Extra
/karten/Text duplicate Karten
/karten/tickets/Tickets
/karten/abos/Abos
/karten/6er-4er-karte/6er- & 4er-Karte
/karten/gutscheine/Gutscheine
/ihr-besuch/Ihr Besuch
/ihr-besuch/theater-duisburg/Theater Duisburg
/ihr-besuch/philharmonie-merca...Philharmonie Mercatorhalle
/ihr-besuch/weitere-spielorte/Weitere Spielorte
/jung/Text duplicate Jung
/spielplan/jung/Programm
/jung/theater-trifft-schule/Theater trifft Schule
/jung/spieltrieb/Spieltrieb
/jung/junge-oper-am-rhein/Junge Oper am Rhein
/jung/tanz-mit/Tanz mit!
/jung/ufo/UFO
/jung/klasseklassik/klasse.klassik
/ueber-uns/Über uns
/ueber-uns/das-theater-duisburg/Das Theater Duisburg
/ueber-uns/schauspiel-duisburg/Schauspiel Duisburg
/ueber-uns/deutsche-oper-am-rh...Deutsche Oper am Rhein
/ueber-uns/ballett-am-rhein/Ballett am Rhein
/ueber-uns/duisburger-philharm...Duisburger Philharmoniker
/ueber-uns/jobs/Jobs
https://de-de.facebook.com/dui...New window External Subdomain Philharmoniker
https://www.facebook.com/junge...New window External Subdomain Junge Oper
https://www.facebook.com/balle...New window External Subdomain Text duplicate Ballett
https://www.facebook.com/opera...New window External Subdomain Text duplicate Oper
https://www.facebook.com/schau...New window External Subdomain Text duplicate Schauspiel
https://twitter.com/philharmon...New window External Text duplicate Philharmoniker
https://www.instagram.com/duis...New window External Subdomain Text duplicate Philharmoniker
https://www.instagram.com/jung...New window External Subdomain Text duplicate Junge Oper
https://www.instagram.com/ball...New window External Subdomain Text duplicate Ballett
https://www.instagram.com/oper...New window External Subdomain Text duplicate Oper
https://www.instagram.com/spie...New window External Subdomain Text duplicate Spieltrieb
https://www.youtube.com/channe...New window External Subdomain Text duplicate Philharmoniker
https://www.youtube.com/Ballet...New window External Subdomain Text duplicate Ballett
https://www.youtube.com/Deutsc...New window External Subdomain Text duplicate Oper
https://www.youtube.com/user/S...New window External Subdomain Text duplicate Spieltrieb
/spielplan/a-z/verzehrt/Subdomain Infos
https://theaterduisburg.eventi...New window External Subdomain Text duplicate Tickets
/spielplan/a-z/tosca/Subdomain Info
https://theaterduisburg.eventi...New window External Subdomain Text duplicate Tickets
/spielplan/a-z/mozart-requiem/Subdomain Text duplicate Infos
/spielplan/a-z/der-kissenmann/Subdomain Text duplicate Infos
https://theaterduisburg.eventi...New window External Subdomain Text duplicate Tickets
/spielplan/a-z/drei-meister-dr...Subdomain Text duplicate Info
https://theaterduisburg.eventi...New window External Subdomain Text duplicate Tickets
/spielplan/kalender/tanztage-d...No Text
/spielplan/kalender/tanztage-d...TANZtage Duisburg
/kalender-eintrag/1346/ical-20...Termin in meinen Kalender eintragen
A-TITLE Termin in meinen Kalender eintragen
https://tanztage.reservix.de/e...New window External Subdomain Hier über Reservix online kaufen
/spielplan/kalender/tanztage-d...No Text
/spielplan/kalender/tanztage-d...Text duplicate TANZtage Duisburg
/kalender-eintrag/1347/ical-20...Text duplicate Termin in meinen Kalender eintragen
A-TITLE Termin in meinen Kalender eintragen
https://tanztage.reservix.de/e...New window External Subdomain Text duplicate Hier über Reservix online kaufen
/spielplan/kalender/tanztage-d...No Text
/spielplan/kalender/tanztage-d...Text duplicate TANZtage Duisburg
/kalender-eintrag/1348/ical-20...Text duplicate Termin in meinen Kalender eintragen
A-TITLE Termin in meinen Kalender eintragen
https://tanztage.reservix.de/e...New window External Subdomain Text duplicate Hier über Reservix online kaufen
/spielplan/kalender/mozart-req...No Text
/spielplan/kalender/mozart-req...9. Philharmonisches Konzert Mozart-Requiem mit Tianyi Lu, Anna Sophia Theil, Anna Harvey, Sebastian Kohlhepp, David Jerusalem und dem Philharmonischen Chor D...
/kalender-eintrag/1440/ical-20...Text duplicate Termin in meinen Kalender eintragen
A-TITLE Termin in meinen Kalender eintragen
/magazin/artikel/oster-ueberra...Unsere Oster-Überraschung
/magazin/artikel/oster-ueberra...Mehr Infos
/magazin/artikel/im-portraet-r...Roland Riebeling
/magazin/artikel/im-portraet-r...Mehr Informationen
https://www.operamrhein.de/spi...External Subdomain Unser Opern- & Ballett-Navigator
https://www.operamrhein.de/spi...External Subdomain Zum Navigator auf operamrhein.de
/magazin/artikel/10-fakten/10 Fakten zu...
/magazin/artikel/10-fakten/Trivial anchor text
Mehr lesen
/karten/abos/Text duplicate Mehr Infos
/magazin/artikel/duisburger-ph...DUISBURGER PHILHARMONIKER GEHEN MIT EIGENER MEDIATHEK ONLINE
/magazin/artikel/duisburger-ph...Text duplicate Infos
/newsletter-infomaterial/Hier geht's zur Anmeldung
/newsletter-infomaterial/Newsletter & Infomaterial
/presse/Presse
/kontakt/Kontakt
/impressum/Impressum
/datenschutz/Datenschutz
/agb/AGB
https://de-de.facebook.com/dui...New window External Subdomain Text duplicate Philharmoniker
https://www.facebook.com/junge...New window External Subdomain Text duplicate Junge Oper
https://www.facebook.com/balle...New window External Subdomain Text duplicate Ballett
https://www.facebook.com/opera...New window External Subdomain Text duplicate Oper
https://www.facebook.com/schau...New window External Subdomain Text duplicate Schauspiel
https://www.instagram.com/duis...New window External Subdomain Text duplicate Philharmoniker
https://www.instagram.com/jung...New window External Subdomain Text duplicate Junge Oper
https://www.instagram.com/ball...New window External Subdomain Text duplicate Ballett
https://www.instagram.com/oper...New window External Subdomain Text duplicate Oper
https://www.instagram.com/spie...New window External Subdomain Text duplicate Spieltrieb
https://www.instagram.com/scha...New window External Subdomain Text duplicate Schauspiel
https://www.youtube.com/channe...New window External Subdomain Text duplicate Philharmoniker
https://www.youtube.com/Ballet...New window External Subdomain Text duplicate Ballett
https://www.youtube.com/Deutsc...New window External Subdomain Text duplicate Oper
https://www.youtube.com/user/S...New window External Subdomain Text duplicate Spieltrieb

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.theater-duisburg.de/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.16 seconds.
This page only loads 1 CSS files. That's ok.
This page only loads 3 JavaScript files. That's good!
The file size of the HTML document is fine (63 kB).

HTTP Response Header

NameValue
dateFri, 04 Apr 2025 20:48:39 GMT
serverApache
cache-controlprivate
content-typetext/html; charset=utf-8
x-aspnet-version4.0.30319
x-frame-optionsDENY
set-cookie74 Characters
varyAccept-Encoding
content-encodinggzip
strict-transport-securitymax-age=31536000; includeSubDomains; preload
transfer-encodingchunked
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 335 referring domains.
This page has 11,699 backlinks.
This page has backlinks from 206 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt



Similar sites

Search preview

www.theater-duisburg.de
Home | Theater Duisburg
Theater Duisburg

Most important keywords

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

KeywordResultRecheck
Duisburg79%Check
Theater Duisburg79%Check
Theater76%Check
47051 Duisburg58%Check
Verzehrt50%Check
Mozart47%Check
MOZART-REQUIEM43%Check
Werke43%Check
Tanz43%Check
TANZtage43%Check
Show more keywords and terms

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