Opernhaus.ch - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
75% 
Page structure
64% 
Link structure
60% 
Server
78% 
External factors
100% 
SEO Score
Response time
1.48 s
File size
391.30 kB
Words
748
Media files
16
Number of links
52 internal / 14 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Opernhaus Zürich - Official Website
The length of the page title is perfect. (318 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Das Opernhaus Zürich im Internet – Spielpläne für Oper, Ballett und Konzerte. Alles über die Werke, Künstler, Preise, Tickets, Abonnements und Service.
The length of the meta description is perfect. (942 pixels out of 1000 max pixel length)
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: Switzerland
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
viewportwidth=device-width
descriptionDas Opernhaus Zürich im Internet – Spielpläne für Oper, Ballett und Konzerte. Alles über die Werke, Künstler, Preise, Tickets, Abonnements und Service.
authorupdate AG, www.update.ch
format-detectiontelephone=no
imageEmpty
msapplication-TileColor#ffffff
msapplication-TileImage/site/templates/images/favicons/ms-icon-144x144.png
theme-color#ffffff
langde
twitter:cardsummary_large_image
og:urlhttps://www.opernhaus.ch/
og:typewebsite
og:titleHome
og:descriptionDas Opernhaus Zürich im Internet – Spielpläne für Oper, Ballett und Konzerte. Alles über die Werke, Künstler, Preise, Tickets, Abonnements und Service.
og:imageEmpty
X-UA-CompatibleIE=edge,chrome=1
charsetUTF-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
There are 2 text duplicates on this page:
  • Duplicate: Diese Website verwendet Cookies, um die Nutzung zu verbessern. Weitere...
This page contains 748 words. That's ok.
34.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
18 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 17.31 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 15 tags for this page.
Image SEO
(Somewhat important)
11 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
...plates/public/img/OZ_Opernhaus_Marke.pngLogo
...les/0/61/560/oz_partner_2025-26_rand.pngNo alt attribute provided
...13/anmerkung-2025-04-04-172951.650x0.jpgNo alt attribute provided
...sets/files/0/01/76/775/oper_28.650x0.jpgNo alt attribute provided
.../amyjudd_glowingwing_30x40_mxm.650x0.jpgNo alt attribute provided
...opie_-_kopie_-_kopie_2_-_kopie.650x0.gifNo alt attribute provided
...ets/files/0/01/76/773/oper_26.650x0.webpNo alt attribute provided
...on_canvas-_150_x_200_cm_52_mxm.650x0.jpgNo alt attribute provided
...92/events_02_saisoneroeffnung.650x0.webpNo alt attribute provided
.../249_bfa_tka6582_c_tanja_krebs.650x0.jpgNo alt attribute provided
...01/76/871/liederabend_-_kopie.650x0.webpNo alt attribute provided
.../894/events_04_operimquartier.650x0.webpNo alt attribute provided
.../0/001/oz_partner_2025-26_rand.450x0.pngPartner Logos
/site/templates/public/img/OZ_Opernhaus.svgFooter Logo
...s/public/img/OZ_Opernhaus_Horizontal.svgFooter Logo

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 28 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 Demnächst
H2 Countertime
H2 Countertime Duplicate text
H2 Countertime Duplicate text
H2 Saison 2025/26 - sichern Sie sich jetzt Ihre Tickets!
H2 Die Saison 2025/26
H2 Matthias Schulz & Barbara Bleisch im Gespräch
H2 Opernpremieren
H2 Ballettpremieren
H2 Konzertsaison
H2 Labor-Produktionen
H2 Oper - die Premieren und Wiederaufnahmen der Saison 2025/26
H2 Neue Formate 2025/26
H2 Zürich Barock
H2 Eröffnungsfest «24hOpernhaus»
H2 Opernhaus für alle
H2 Ballett - die Premieren und Wiederaufnahmen der Saison 2025/26
H2 Mehr Opernhaus Zürich
H2 Die Welt von Oper, Ballett & Konzert: Entdecken, Erleben, Eintauchen
H2 Kinderopernorchester
H2 Oper im Quartier
H2 Konzerte & Liederabende der Saison 2025/26
H2 Service
H2 Saisonvorschau digital lesen
H2 Saisonvorschau bestellen
H2 Ticketvorverkauf
H2 Abonnements
H2 Newsletter abonnieren
Some anchor texts are used more than once.
12 links don't have an anchor text.
There are 1 links with a trivial 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 14 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.opernhaus.ch/Subdomain IMG-ALT Logo
/spielplan/kalendarium/Subdomain Kalender
https://www.opernhaus.ch/suche/Subdomain No Text
https://www.opernhaus.ch/en/EN
/spielzeit-ueberblick/Subdomain Spielzeit 2025/26
/opernhaus-zuerich/Subdomain Opernhaus Zürich
/ballett-zuerich/Subdomain Ballett Zürich
/orchester-der-oper-zuerich/Subdomain Orchester der Oper Zürich
/entdecken/Subdomain Entdecken
/tickets-abos/Subdomain Tickets & Abos
/service/rund-um-den-opernbesuch/Subdomain Service
/engagement/Subdomain Engagement
/spielplan/kalendarium/counter...A-TITLE Countertime
https://www.zurichticket.ch/oh...New window External Subdomain Tickets
/spielplan/kalendarium/counter...Text duplicate A-TITLE Countertime
https://www.zurichticket.ch/oh...New window External Subdomain Text duplicate Tickets
/spielplan/kalendarium/counter...Text duplicate A-TITLE Countertime
https://www.zurichticket.ch/oh...New window External Subdomain Text duplicate Tickets
/spielplan/kalendarium/Gesamten Spielplan anzeigen
/spielplan/kalendarium/Zum Spielplan
https://www.youtube.com/watch?...External Subdomain Video sehen
https://www.youtube.com/watch?...External Subdomain No Text
/spielplan/opernpremieren-2025...Mehr erfahren
/spielplan/opernpremieren-2025...No Text
/spielplan/ballettpremieren-20...Text duplicate Mehr erfahren
/spielplan/ballettpremieren-20...No Text
/spielplan/konzert-2025-26/Text duplicate Mehr erfahren
/spielplan/konzert-2025-26/No Text
/spielplan/labor-2025-26/Text duplicate Mehr erfahren
/spielplan/labor-2025-26/No Text
/spielplan/oper/Zur Übersicht
/spielplan/zuerich-barock/Text duplicate Mehr erfahren
/spielplan/zuerich-barock/No Text
/spielplan/kalendarium/eroeffn...Text duplicate Mehr erfahren
/spielplan/kalendarium/eroeffn...No Text
/spielplan/opernhaus-fuer-alle/Text duplicate Mehr erfahren
/spielplan/opernhaus-fuer-alle/No Text
/spielplan/ballett/Text duplicate Zur Übersicht
/entdecken/Text duplicate Mehr erfahren
/entdecken/No Text
/spielplan/kinderopernorchester/Text duplicate Mehr erfahren
/spielplan/kinderopernorchester/No Text
/spielplan/oper-im-quartier/Text duplicate Mehr erfahren
/spielplan/oper-im-quartier/No Text
/spielplan/konzerte/Text duplicate Zur Übersicht
https://issuu.com/opernhauszue...External Hier blättern
https://issuu.com/opernhauszue...External No Text
https://www.zurichticket.ch/oh...External Subdomain Hier bestellen
https://www.zurichticket.ch/oh...External Subdomain No Text
/tickets-abos/Subdomain Trivial anchor text
Mehr
/tickets-abos/Subdomain No Text
/tickets-abos/Subdomain Anchor Trivial anchor text
mehr
/tickets-abos/Subdomain Anchor No Text
/service/post-fuer-sie/Subdomain Newsletter abonnieren
https://www.facebook.com/opern...New window External Subdomain Facebook
https://www.instagram.com/oper...New window External Subdomain Instagram
https://x.com/operzuerichNew window External X
https://www.youtube.com/user/O...New window External Subdomain Youtube
https://www.linkedin.com/compa...New window External Subdomain LinkedIn
https://www.opernhaus.ch/kontakt/Kontakt
A-TITLE Kontakt
https://www.opernhaus.ch/presse/Presse
A-TITLE Presse
/mediadaten/Mediadaten
A-TITLE Mediadaten
/impressum/Impressum
A-TITLE Impressum
/service/datenschutzerklaerung/Datenschutz
A-TITLE Datenschutz
/service/datenschutzerklaerung/Datenschutzerklärung
/service/datenschutzerklaerung/Text duplicate Datenschutzerklärung

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.opernhaus.ch/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is slow (1.48 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (391 kB).

HTTP Response Header

NameValue
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate
pragmano-cache
x-powered-byProcessWire CMS
set-cookie72 Characters
varyAccept-Encoding
content-encodinggzip
x-xss-protection1; mode=block
content-security-policyframe-ancestors 'self' http://opernhaus.ch https://backstage.opernhaus.ch http://staffbase.com capacitor://opernhaus.ch capacitor://staffbase.com localhost:* https://*.attoprimo.ch https://*.atto-primo.ch https://*.operinos.ch https://*.opernfreunde.ch https://*.ballettfreunde.ch https://*.ballett-zuerich.ch https://*.philharmonia-zuerich.ch https://*.philharmonia-records.com https://*.bernadette.ch https://*.opernhaus.ch https://*.spinetix.com https://*.spinetix.cloud;
x-pwpcProCache
content-typetext/html; charset=utf-8
dateThu, 24 Jul 2025 05:16:34 GMT
serverApache
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 388 referring domains.
This page has 4,857 backlinks.
This page has backlinks from 335 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /wire
Disallow: /export
Disallow: /newsletter
Disallow: /tools
Disallow: /tv
Disallow: /theasoft

Similar sites

Search preview

www.opernhaus.ch
Opernhaus Zürich - Official Website
Das Opernhaus Zürich im Internet – Spielpläne für Oper, Ballett und Konzerte. Alles über die Werke, Künstler, Preise, Tickets, Abonnements und Service.

Most important keywords

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

KeywordResultRecheck
Oper79%Check
Opernhaus79%Check
Opernhaus Zürich72%Check
Oper Zürich72%Check
Zürich66%Check
Oper im Quartier59%Check
Konzert56%Check
Ballett Konzert55%Check
Ballett54%Check
Konzerte52%Check
Show more keywords and terms

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