Theater-duisburg.de - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
44% 
Page structure
21% 
Link structure
81% 
Server
45% 
External factors
100% 
SEO Score
Response time
0.24 s
File size
58.80 kB
Words
477
Media files
1
Number of links
74 internal / 25 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)
Only 1 paragraph/s was/were found on this page.
There are only 477 words on this page. Good pages should have about 800 words of useful content.
The average number of words per sentence of 5.25 words is low.
17.2% 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.
No placeholders texts or images were found.
There are no duplicates on the site.
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)
INFINITA
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 INFINITA
H1 On the Town
H1 Gi3F (Gott ist drei Frauen)
H1 Die Königin von Saba
H3 KOMMENDE VERANSTALTUNGEN
H3 Digga, was das??
H3 Theaterführung
H3 Anatevka
H3 Theaterführung Duplicate text
H3 AKTUELLE NEUIGKEITEN
H3 Spieltrieb startet neues Projekt
H3 Oper & Ballett 2026/27
H3 7. Haniel Klassik Open Air
H3 Alles, was wir sein könnten
H3 Zahl, so viel du willst!
H3 Music Beyond Borders
Some anchor texts are used more than once.
4 links don't have an anchor text.
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 25 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.theater-duisburg.de/Anchor Zur Hauptnavigation springen
https://www.theater-duisburg.de/Anchor Zum Hauptinhalt springen
https://www.theater-duisburg.de/Anchor Zum Footer springen
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 2025/26
/jung/theater-trifft-schule/Theater trifft Schule
/jung/spieltrieb/Spieltrieb
/jung/junge-oper-am-rhein/Junge Oper am Rhein
/jung/kinderchor-am-rhein/Kinderchor 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
/spielplan/a-z/infinita/Infos
https://theaterduisburg.eventi...New window External Subdomain Text duplicate Tickets
/spielplan/a-z/on-the-town/Info
https://theaterduisburg.eventi...New window External Subdomain Text duplicate Tickets
/spielplan/a-z/gi3f-gott-ist-d...Text duplicate Infos
https://theaterduisburg.eventi...New window External Subdomain Text duplicate Tickets
/spielplan/a-z/die-koenigin-vo...Text duplicate Info
https://theaterduisburg.eventi...New window External Subdomain Text duplicate Tickets
/spielplan/kalender/digga-was-...No Text
/spielplan/kalender/digga-was-...Für alle ab 14 Jahren Digga, was das??
https://theaterduisburg.eventi...New window External Subdomain Text duplicate Karten
/kalender-eintrag/2000/ical-20...Termin in meinen Kalender eintragen
A-TITLE Termin in meinen Kalender eintragen
/spielplan/kalender/theaterfue...No Text
/spielplan/kalender/theaterfue...Theaterführung
https://theaterduisburg.eventi...New window External Subdomain Text duplicate Karten
/kalender-eintrag/2195/ical-20...Text duplicate Termin in meinen Kalender eintragen
A-TITLE Termin in meinen Kalender eintragen
/spielplan/kalender/anatevka/1...No Text
/spielplan/kalender/anatevka/1...Anatevka
https://theaterduisburg.eventi...New window External Subdomain Restkarten
/kalender-eintrag/1657/ical-20...Text duplicate Termin in meinen Kalender eintragen
A-TITLE Termin in meinen Kalender eintragen
/spielplan/kalender/theaterfue...No Text
/spielplan/kalender/theaterfue...Text duplicate Theaterführung
https://theaterduisburg.eventi...New window External Subdomain Text duplicate Karten
/kalender-eintrag/2196/ical-20...Text duplicate Termin in meinen Kalender eintragen
A-TITLE Termin in meinen Kalender eintragen
/magazin/artikel/kennlerntag-e...Spieltrieb startet neues Projekt
/magazin/artikel/kennlerntag-e...Mehr Infos
/magazin/artikel/oper-ballett-...Oper & Ballett 2026/27
/magazin/artikel/oper-ballett-...Lesen
/spielplan/a-z/haniel-klassik/7. Haniel Klassik Open Air
/spielplan/a-z/haniel-klassik/Text duplicate Infos
https://www.operamrhein.de/spi...External Subdomain Alles, was wir sein könnten
https://www.operamrhein.de/spi...External Subdomain Alles Infos & Tickets hier auf operamrhein.de
/magazin/artikel/zahl-so-viel-...Zahl, so viel du willst!
/magazin/artikel/zahl-so-viel-...Text duplicate Mehr Infos
/magazin/artikel/eigenzeit-fes...Music Beyond Borders
/magazin/artikel/eigenzeit-fes...Text duplicate Infos
/newsletter-infomaterial/Hier geht's zur Anmeldung
/newsletter-infomaterial/Newsletter & Infomaterial
/presse/Presse
/kontakt/Kontakt
/impressum/Impressum
/datenschutz/Datenschutz
/agb/AGB
/erklaerung-zur-barrierefreiheit/Erklärung zur Barrierefreiheit
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://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)
The HTML page should be transferred using GZip compression.
The X-powered header is sent within the response header. (unnecessary)
Performance
(Somewhat important)
The page response time is excellent with 0.24 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 (59 kB).

HTTP Response Header

NameValue
dateFri, 29 May 2026 06:27:24 GMT
serverApache
cache-controlprivate
content-typetext/html; charset=utf-8
x-aspnet-version4.0.30319
x-frame-optionsDENY
x-powered-byASP.NET
content-length60185
set-cookie74 Characters
strict-transport-securitymax-age=31536000; includeSubDomains; preload
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 88 referring domains.
This page has 530 backlinks.
This page has backlinks from 85 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt



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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
Theater76%Check
Theater Duisburg73%Check
Duisburg71%Check
47051 Duisburg53%Check
INFINITA50%Check
theater-duisburg46%Check
Theaterführung43%Check
Tickets39%Check
Oper38%Check
Ballett38%Check
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