Zoobasel.ch - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
53% 
Page structure
71% 
Link structure
86% 
Server
94% 
External factors
100% 
SEO Score
Response time
0.51 s
File size
63.70 kB
Words
423
Media files
8
Number of links
38 internal / 12 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Zoo Basel
The page title is too short. (90 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Der Zoo Basel fasziniert seit seiner Eröffnung 1874 seine BesucherInnen. Erfahren Sie alles rund um den Zolli.
The length of the meta description is perfect. (680 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: 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
ac:route/de/
viewportwidth=device-width, initial-scale=1, shrink-to-fit=no
descriptionDer Zoo Basel fasziniert seit seiner Eröffnung 1874 seine BesucherInnen. Erfahren Sie alles rund um den Zolli.
designSwiss Web Factory
authorZoo Basel
publisherZoo Basel
copyrightZoo Basel
Content-Languagede
robotsindex, follow
facebook-domain-verificationzphi5sequqd1ow8dbxyxspthz19i1w
msapplication-TileColor#ffffff
msapplication-TileImage/img/ico/ms-icon-144x144.png
theme-color#ffffff
langde
fb:app_id2553622394704780
og:titleZoo Basel
og:urlhttps://www.zoobasel.ch/de/
og:imagehttps://www.zoobasel.ch/uploads/images/slideshow/mobile/pa_260304_990700_1.jpg
og:site_nameZoo Basel
og:typearticle
og:descriptionDer Zoo Basel fasziniert seit seiner Eröffnung 1874 seine BesucherInnen. Erfahren Sie alles rund um den Zolli.
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 423 words on this page. Good pages should have about 800 words of useful content.
There are 4 text duplicates on this page:
  • Duplicate 1: {{DatumVon.formatDate('HH:mm')}} - {{DatumBis.formatDate('HH:mm')}} {{...
  • Duplicate 2: {{DatumVon.formatDate('HH:mm')}} - {{DatumBis.formatDate('HH:mm')}} {{...
The average number of words per sentence of 5.33 words is low.
13.7% 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.
8 paragraphs were found on this page.
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, shrink-to-fit=no" 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 8 tags for this page.
Image SEO
(Somewhat important)
2 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
/img/logos/zoo-logo-white-de.pngNo alt attribute provided
/img/logos/logo-kultur.pngNo alt attribute provided

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.
Some headings do not have any content.

Heading structure

Heading levelContent
H2 Die schönsten Zolli-Momente
H2 Besuch im Zolli planen
H4 Empty heading
H4 {{sqryCards.InfoTitel_de}} {{sqryCards.Titel_de}}
H4 {{sqryCards.InfoTitel_de}} {{sqryCards.Titel_de}} Duplicate text
H4 {{sqryCards2.InfoTitel_de}} {{sqryCards2.Titel_de}}
H4 {{sqryCards3.InfoTitel_de}} {{sqryCards3.Titel_de}}
H4 immer aktuell bleiben mit dem zoo basel newsletter
H5 {{scHomepageNotificationDetails.data.sqryHomepageNotificationDetails.DatumVon.formatDate('HH:mm')}} - {{scHomepageNotificationDetails.data.sqryHomepageNotificationDetails.DatumBis.formatDate('HH:mm...
H5 {{scHomepageNotificationButtonDetails.data.sqryHomepageNotificationButtonDetails.NotificationTitel_de}}
H5 {{scNotificationWebsiteShowInTop.data.sqryNotification.NotificationTitel_de}}
H5 Unsere Website verwendet Cookies
Baselink: /de/
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.zoobasel.ch/de/Home
/de/zoobesuch/Zoobesuch
/de/zoobesuch/Text duplicate Zoobesuch
https://www.zoobasel.ch/de/tiere/Tiere & Naturschutz
https://www.zoobasel.ch/de/tiere/Text duplicate Tiere & Naturschutz
/de/aktuelles/Aktuelles
/de/aktuelles/Text duplicate Aktuelles
/de/zooerlebnisse/Zoo-Erlebnisse
/de/zooerlebnisse/Text duplicate Zoo-Erlebnisse
/de/zoobasel/Zoo Basel
/de/zoobasel/Text duplicate Zoo Basel
/de/unterstuetzen/Unterstützen
/de/unterstuetzen/Text duplicate Unterstützen
/de/restaurants/Restaurants
/de/restaurants/Text duplicate Restaurants
/de/schulen/Schulen
/de/schulen/Text duplicate Schulen
https://shop.e-guma.ch/zoo-bas...New window External Subdomain Ticket kaufen
/de/zoobesuch/r/1/oeffnungszei...Öffnungszeiten
/de/freundeverein/Freundeverein
https://www.zoobasel.ch/medien/Medien
https://www.instagram.com/zoob...New window External Subdomain No Text
https://www.facebook.com/zooba...New window External Subdomain No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://www.youtube.com/user/v...New window External Subdomain No Text
https://www.zoobasel.ch/de/Text duplicate IMG-ALT Zoo Basel
https://shop.e-guma.ch/zoo-bas...New window External Subdomain Text duplicate Ticket kaufen
/de/zoobesuch/r/1/oeffnungszei...Text duplicate Öffnungszeiten
/de/zoobesuch/r/3/anreise/Anreise
/de/zoobesuch/wetter/Wetter
/de/community/r/95/nutzungsrec...Mehr erfahren
/de/community/Weitere Zolli-Schnappschüsse
https://www.instagram.com/zoob...New window External Subdomain No Text
https://www.facebook.com/zooba...New window External Subdomain No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://www.youtube.com/user/v...New window External Subdomain No Text
https://www.zoobasel.ch/de/Text duplicate Home
/de/zoobasel/datenschutz/Datenschutz
/de/zoobasel/kontakt/Kontakt
/newsletter/Newsletter
https://www.zoobasel.ch/medien/Text duplicate Medien
https://www.zoobasel.ch/de/Text duplicate Home
/de/zoobasel/datenschutz/Text duplicate Datenschutz
/de/zoobasel/kontakt/Text duplicate Kontakt
/newsletter/Text duplicate Newsletter
https://www.zoobasel.ch/medien/Text duplicate Medien
https://www.swf.ch/New window Nofollow External Subdomain Website by Swiss Web Factory
https://www.kultur.bs.ch/New window External Subdomain No Text
/de/zoobasel/impressum/Impressum
/de/zoobasel/datenschutz/Datenschutzerklärung

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.zoobasel.ch/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 of 0.51 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (64 kB).

HTTP Response Header

NameValue
cache-controlprivate
content-typetext/html; charset=UTF-8
content-encodinggzip
varyAccept-Encoding
x-frame-optionsSAMEORIGIN
content-security-policyform-action 'self'
x-xss-protection1; mode=block
x-content-type-optionsnosniff
strict-transport-securitymax-age=31536000; includeSubDomains; preload
referrer-policystrict-origin-when-cross-origin
dateWed, 11 Mar 2026 13:42:10 GMT
content-length15532
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 134 referring domains.
This page has 845 backlinks.
This page has backlinks from 116 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Allow: /

Sitemap: https://www.zoobasel.ch/sitemap.txt

Similar sites

Search preview

www.zoobasel.ch
Zoo Basel
Der Zoo Basel fasziniert seit seiner Eröffnung 1874 seine BesucherInnen. Erfahren Sie alles rund um den Zolli.

Most important keywords

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

KeywordResultRecheck
Zoo76%Check
Zoo Basel75%Check
Zolli59%Check
Besuch55%Check
erfahren51%Check
Besucher51%Check
formatDate47%Check
sqryCards247%Check
sqryCards347%Check
scHomepageNotificationDetails45%Check
Show more keywords and terms

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