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Tonhallezuerich.ch - SEO Checker

Overview of the SEO Check

Meta information

93%

Page quality

83%

Page structure

79%

Link structure

18%

Server

91%

External factors

81%

SEO Score

SEO Score Widget

Response time

0.11 s

File size

92.20 kB

Words

529

Media files

Number of links

76 internal / 30 external

Task list of SEO Improvements 6 Tasks

Add a H1 heading to this page.Very important!
The specified alternate link pointing to the page itself is invalid.Very important!
A specified alternate link invalid.Important!
Use good alternative descriptions (alt attributes) for your images.Important!
Review and improve the heading structure.Tip!
Reduce the number of external links.Tip!

View all

Meta specifications 93% achieved

Title

(Critically important)

Konzerte in der Tonhalle Zürich

The length of the page title is perfect. (278 pixels out of 580 max pixel length)

There are no duplicate words in the title

Meta Title

Meta description

(Critically important)

Alle Konzerte in der Tonhalle Zürich auf einen Blick.

The length of the meta description is perfect. (316 pixels out of 1000 max pixel length)

Meta Description

Crawlability

(Critically important)

There are no problems in accessing the website.

Search Engine Crawlers

Canonical URL

(Important)

https://tonhallezuerich.ch/home-tz/

There is a valid canonical link specified.

Canonical Tag

Language

(Somewhat important)

Language detected in text: de

Language defined in HTML: de

Server location: Switzerland

The following language is defined by HTML: de

Declaring language in HTML

Alternate/Hreflang Links

(Somewhat important)

The alternate link to the page itself is invalid.

A language definition is specified wrong in alternate links.

Hreflang

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.

Meta Tags

Domain

(Somewhat important)

The domain is no subdomain.

The domain length is good.

The domain does not contain non-latin characters.

Domain for SEO

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.

SEO-friendly URLs

Charset encoding

(Somewhat important)

The charset encoding (UTF-8) is set correctly.

Character Encoding

Doctype

(Nice to have)

The doctype HTML 5 is set correctly.

The doctype is placed at first in the HTML code.

HTML Doctype

Favicon

(Nice to have)

The favicon is linked correctly.

Favicon

Meta tags

Name	Value
viewport	width=device-width
description	Alle Konzerte in der Tonhalle Zürich auf einen Blick.
format-detection	telephone=no
theme-color	#ffffff
lang	de
X-UA-Compatible	IE=edge,chrome=1
charset	UTF-8

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Easy troubleshooting with optimization suggestions
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Page quality 83% achieved

Content

(Critically important)

There are 2 text duplicates on this page:

Duplicate: Diese Website verwendet Cookies und andere Technologien um Angebote un...

This page contains 529 words. That's ok.

14.4% 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.

The average number of words per sentence of 17 words is good.

Content is King

Frames

(Critically important)

This page does not use a frameset.

Frames and framesets

Mobile optimization

(Somewhat important)

A viewport "width=device-width" is provided.

At least one Apple touch icon is specified.

Mobile Optimization

Bold and strong tags

(Somewhat important)

The usage of strong and bold tags is perfect. We recommend the use of up to 11 tags for this page.

Strong and Bold Tags

Image SEO

(Somewhat important)

22 images have no alt attribute. The content of alt attributes is used by search engines.

Image SEO

This page is optimized perfectly for social networks.

Social Sharing

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.

HTTPS

Media list

URL	Alt attribute	Title
...images/TonhalleZurich_Logo_RGB_Weiss.png	No alt attribute provided
...mplates/images/header-icons/facebook.png	No alt attribute provided
...plates/images/header-icons/instagram.png	No alt attribute provided
...emplates/images/header-icons/youtube.png	No alt attribute provided
...templates/images/header-icons/tiktok.png	No alt attribute provided
...mplates/images/header-icons/linkedin.png	No alt attribute provided
...es/images/logo-toz-transparent-white.png	No alt attribute provided
...ages/TonhalleZurich_Logo_RGB_Schwarz.png	No alt attribute provided
...images/TonhalleZurich_Logo_RGB_Weiss.png	No alt attribute provided
...mplates/images/header-icons/facebook.png	No alt attribute provided
...plates/images/header-icons/instagram.png	No alt attribute provided
...emplates/images/header-icons/youtube.png	No alt attribute provided
...templates/images/header-icons/tiktok.png	No alt attribute provided
...mplates/images/header-icons/linkedin.png	No alt attribute provided
...es/images/logo-toz-transparent-white.png	No alt attribute provided
...ale-c-georg-aerni-1300x731px.580x580.jpg	No alt attribute provided
...gen-grosse-tonhalle-tz-aerni.580x580.jpg	No alt attribute provided
...mplates/images/header-icons/facebook.png	No alt attribute provided
...plates/images/header-icons/instagram.png	No alt attribute provided
...emplates/images/header-icons/youtube.png	No alt attribute provided
...templates/images/header-icons/tiktok.png	No alt attribute provided
...mplates/images/header-icons/linkedin.png	No alt attribute provided

Page structure 79% achieved

H1 heading

(Critically important)

There is no H1 heading specified.

H1-H6 headings

Headings

(Important)

The structure of headings is missing one or more levels. Do not skip heading levels.

H1-H6 headings

Heading structure

Heading level	Content
H2	Month
H3	Botvinov and Friends
H3	Mozart Sommerkonzert: Mozart einzigartig
H3	Michiko Tsuda Musik Treffen – Klavier Récital
H3	Martin Suter «Wut und Liebe» Weltpremiere
H3	CARMINA BURANA von Carl Orff
H3	THE LEGEND – best Pop-Songs in Choir
H3	StradivariFEST Klangwelle Schostakowitsch – Saisoneröffnung
H3	Michiko Tsuda Musik Treffen – Ensemble Abend
H3	Concerts Géza Anda: Haydn – Mozart – Beethoven
H3	Klavierrezital – Die späten Meisterwerke von Frédéric Chopin
H3	Billettkasse / Konzerteingang
H3	Öffnungszeiten Billettkasse
H3	Newsletter

Link structure 18% achieved

Internal links

(Important)

Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.

Some anchor texts are used more than once.

23 links don't have an anchor text.

There are 12 links with a trivial anchor text.

The number of internal links is ok.

None of the anchor texts is too long.

Internal Linking

External links

(Nice to have)

There are too many external links (30) on this page.

External Links

Found links on this page

Link	Attributes	Anchor text
/home-tz/konzerte/kalender/		No Text
/home-tz/		No Text
/home-tz/konzerte/		Konzerte
/home-tz/konzerte/kalender/		Kalender
/home-tz/konzerte/billett-info...		Billette
/home-tz/besucher/		Besucher
/home-tz/besucher/lageplan/		So finden Sie uns
/home-tz/besucher/verpflegung/		Verpflegung im Konzertfoyer
/home-tz/besucher/barrierefrei...		Barrierefreier Zugang
/home-tz/besucher/saalplaene/		Saalpläne
/home-tz/veranstalter/		Veranstalter
/home-tz/veranstalter/saalverm...		Saalvermietung
/home-tz/veranstalter/kontakt/		Kontakt
/home-tz/konzerthaus/		Konzerthaus
/home-tz/konzerthaus/tonhalle-...		Tonhalle Zürich
/home-tz/konzerthaus/fuehrunge...		Führungen
/home-tz/konzerthaus/audioguid...		Audioguides
https://www.facebook.com/tonha...	New window External Subdomain	No Text
https://www.instagram.com/tonh...	New window External Subdomain	No Text
https://www.youtube.com/user/T...	New window External Subdomain	No Text
https://www.tiktok.com/@tonhal...	New window External Subdomain	No Text
https://www.linkedin.com/compa...	New window External Subdomain	No Text
https://tonhalle-orchester.ch/	External	Tonhalle-Orchester Zürich
/en/home-tz/		EN
https://tonhalle-orchester.ch/	New window External	No Text
/home-tz/konzerte/kalender/		No Text
/home-tz/konzerte/	Text duplicate	Konzerte
/home-tz/konzerte/kalender/	Text duplicate	Kalender
/home-tz/konzerte/billett-info...	Text duplicate	Billette
/home-tz/besucher/	Text duplicate	Besucher
/home-tz/besucher/lageplan/	Text duplicate	So finden Sie uns
/home-tz/besucher/verpflegung/	Text duplicate	Verpflegung im Konzertfoyer
/home-tz/besucher/barrierefrei...	Text duplicate	Barrierefreier Zugang
/home-tz/besucher/saalplaene/	Text duplicate	Saalpläne
/home-tz/		No Text
https://tonhalle-orchester.ch/	External Text duplicate	Tonhalle-Orchester Zürich
/en/home-tz/	Text duplicate	EN
/home-tz/konzerte/kalender/		No Text
/home-tz/veranstalter/	Text duplicate	Veranstalter
/home-tz/veranstalter/saalverm...	Text duplicate	Saalvermietung
/home-tz/veranstalter/kontakt/	Text duplicate	Kontakt
/home-tz/konzerthaus/	Text duplicate	Konzerthaus
/home-tz/konzerthaus/tonhalle-...	Text duplicate	Tonhalle Zürich
/home-tz/konzerthaus/fuehrunge...	Text duplicate	Führungen
/home-tz/konzerthaus/audioguid...	Text duplicate	Audioguides
https://www.facebook.com/tonha...	New window External Subdomain	No Text
https://www.instagram.com/tonh...	New window External Subdomain	No Text
https://www.youtube.com/user/T...	New window External Subdomain	No Text
https://www.tiktok.com/@tonhal...	New window External Subdomain	No Text
https://www.linkedin.com/compa...	New window External Subdomain	No Text
https://tonhalle-orchester.ch/	New window External	No Text
/konzerte/kalender/botvinov-an...		No Text
/konzerte/kalender/botvinov-an...		No Text
/konzerte/kalender/botvinov-an...		Trivial anchor text mehr
https://webshop.zurichticket.c...	New window External Subdomain	No Text
/konzerte/kalender/mozart-somm...		No Text
/konzerte/kalender/mozart-somm...		No Text
/konzerte/kalender/mozart-somm...	Text duplicate	Trivial anchor text mehr
/konzerte/kalender/michiko-tsu...		No Text
/konzerte/kalender/michiko-tsu...		No Text
/konzerte/kalender/michiko-tsu...	Text duplicate	Trivial anchor text mehr
https://webshop.zurichticket.c...	New window External Subdomain	No Text
/konzerte/kalender/martin-sute...		No Text
/konzerte/kalender/martin-sute...		No Text
/konzerte/kalender/martin-sute...	Text duplicate	Trivial anchor text mehr
https://www.ticketcorner.ch/ev...	New window External Subdomain	No Text
/konzerte/kalender/carmina-bur...		No Text
/konzerte/kalender/carmina-bur...		No Text
/konzerte/kalender/carmina-bur...	Text duplicate	Trivial anchor text mehr
https://webshop.zurichticket.c...	New window External Subdomain	No Text
/konzerte/kalender/the-legend-...		No Text
/konzerte/kalender/the-legend-...		No Text
/konzerte/kalender/the-legend-...	Text duplicate	Trivial anchor text mehr
https://webshop.zurichticket.c...	New window External Subdomain	No Text
/konzerte/kalender/stradivarif...		No Text
/konzerte/kalender/stradivarif...		No Text
/konzerte/kalender/stradivarif...	Text duplicate	Trivial anchor text mehr
https://shop.e-guma.ch/stradiv...	New window External Subdomain	No Text
/konzerte/kalender/michiko-tsu...		No Text
/konzerte/kalender/michiko-tsu...		No Text
/konzerte/kalender/michiko-tsu...	Text duplicate	Trivial anchor text mehr
https://webshop.zurichticket.c...	New window External Subdomain	No Text
/konzerte/kalender/concerts-ge...		No Text
/konzerte/kalender/concerts-ge...		No Text
/konzerte/kalender/concerts-ge...	Text duplicate	Trivial anchor text mehr
https://webshop.zurichticket.c...	New window External Subdomain	No Text
/konzerte/kalender/klavierrezi...		No Text
/konzerte/kalender/klavierrezi...		No Text
/konzerte/kalender/klavierrezi...	Text duplicate	Trivial anchor text mehr
https://webshop.zurichticket.c...	New window External Subdomain	No Text
/home-tz/konzerte/kalender/?da...		mehr anzeigen
/home-tz/konzerthaus/tonhalle-...		Trivial anchor text Weiterlesen
/home-tz/konzerthaus/fuehrungen/	Text duplicate	Trivial anchor text Weiterlesen
https://www.google.ch/maps/pla...	New window External Subdomain	Karte
/newsletter/		Orchester-Newsletter
https://www.facebook.com/tonha...	New window External Subdomain	No Text
https://www.instagram.com/tonh...	New window External Subdomain	No Text
https://www.youtube.com/user/T...	New window External Subdomain	No Text
https://www.tiktok.com/@tonhal...	New window External Subdomain	No Text
https://www.linkedin.com/compa...	New window External Subdomain	No Text
http://www.orchester.ch/	External Subdomain	orchester.ch
/home-tz/impressum/		Impressum
/home-tz/datenschutzerklaerung/		Datenschutzerklärung
/home-tz/agb/		AGB
/datenschutzerklaerung/	Text duplicate	Datenschutzerklärung
/datenschutzerklaerung/	Text duplicate	Datenschutzerklärung

Server configuration 91% achieved

HTTP redirects

(Critically important)

This page redirects to "https://tonhallezuerich.ch/home-tz/"

WWW Redirect

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.

HTTP headers

Performance

(Somewhat important)

The page response time is excellent with 0.11 seconds.

The file size of the HTML document is fine (92 kB).

Page Speed

HTTP Response Header

Name	Value
x-frame-options	SAMEORIGIN
last-modified	Mon, 28 Jul 2025 11:15:18 GMT
etag	"1709f-63afb682659e8-gzip"
accept-ranges	bytes
vary	Accept-Encoding
content-encoding	gzip
x-xss-protection	1; mode=block
x-pwpc	ProCache
x-powered-by	ProcessWire CMS, ProCache
content-length	14791
content-type	text/html; charset=UTF-8
date	Mon, 28 Jul 2025 11:15:55 GMT
server	Apache
statuscode	200
http_version	HTTP/2

External factors 81% achieved

Backlinks

(Critically important)

This page is very well linked from other websites.

This page has backlinks from 27 referring domains.

This page has 346,049 backlinks.

This page has backlinks from 17 different ip addresses.

Backlinks

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

tonhallezuerich.ch › home-tz

Konzerte in der Tonhalle Zürich

Alle Konzerte in der Tonhalle Zürich auf einen Blick.

Most important keywords

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

Keyword	Result	Recheck
Tonhalle	65%	Check
Tonhalle Zürich	64%	Check
Zürich	63%	Check
Konzerte	62%	Check
Klavier	43%	Check
Mozart	43%	Check
Michiko	43%	Check
Tsuda	43%	Check
Michiko Tsuda	43%	Check
Musik	43%	Check
Treffen	43%	Check
Billettkasse	43%	Check
Michiko Tsuda Musik Treffen	43%	Check
Botvinov	38%	Check
Beethoven	38%	Check
Chopin	38%	Check
Martin	38%	Check
Friends	38%	Check
Suter	38%	Check
Orff	38%	Check
StradivariFEST	38%	Check
Schostakowitsch	38%	Check
Ensemble	38%	Check
Haydn	38%	Check
Martin Suter	38%	Check

Show more keywords and terms

Automatically check tonhallezuerich.ch including all subpages at once!

Check 300+ SEO parameters on every page of your website
Easy troubleshooting with optimization suggestions
Automated check for keyword optimization

Try for free
Guaranteed free of charge during trial period.

Tonhallezuerich.ch - SEO Checker

Task list of SEO Improvements 6 Tasks

Meta specifications 93% achieved

(Critically important)

(Critically important)

(Critically important)

(Important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

Meta tags

Automatically check tonhallezuerich.ch including all subpages at once!

Page quality 83% achieved

(Critically important)

(Critically important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

(Somewhat important)

Media list

Page structure 79% achieved

(Critically important)

(Important)

Heading structure

Link structure 18% achieved

(Important)

(Nice to have)

Found links on this page

Server configuration 91% achieved

(Critically important)

(Important)

(Somewhat important)

HTTP Response Header

External factors 81% achieved

(Critically important)

Links from Wikipedia

Robots.txt

Similar sites

Search preview

Most important keywords

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