Zoo-duisburg.de - SEO Checker

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Overview of the SEO Check
Meta information
77% 
Page quality
36% 
Page structure
97% 
Link structure
90% 
Server
65% 
External factors
100% 
SEO Score
Response time
0.13 s
File size
54.50 kB
Words
160
Media files
9
Number of links
52 internal / 11 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Start - Zoo-Duisburg
The page title is too short. (183 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://zoo-duisburg.de/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de
Server location: Germany
The following language is defined by HTML: de
Alternate/Hreflang Links
(Somewhat important)
The specified alternate links have no errors.
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
generatorTYPO3 CMS
viewportwidth=device-width, initial-scale=1, minimum-scale=1
robotsindex,follow
apple-mobile-web-app-capableno
googlenotranslate
langde
twitter:cardsummary
x-ua-compatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
There are only 160 words on this page. Use at least 250 words to provide useful information.
Only 1 paragraph/s was/were found on this page.
23.8% of the text are stop words.
Words from the H1 heading are used in the page content.
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.
The average number of words per sentence of 10.5 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 18 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1, minimum-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
5 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
/fileadmin/tmpl/img/Logo_Zoo_Duisburg.svgZoo-Duisburg logo
/fileadmin/tmpl/img/Logo_Zoo_Duisburg.svgZoo-Duisburg logo
/fileadmin/tmpl/img/eyeAble-Icon-Kreis.svgIcon BarrierefreiheitEinstellungen Barrierefreiheit anpassen - externer Dienst von eyeAble wird nach Klick geladen
/fileadmin/user_upload/icon_Kalender.svgNo alt attribute provided
/fileadmin/user_upload/icon_Kalender.svgNo alt attribute provided
/fileadmin/user_upload/Ticket_Icon.svgNo alt attribute provided
/fileadmin/user_upload/icon_Plan.svgNo alt attribute provided
...eadmin/user_upload/Pfeil_nach_rechts.svgNo alt attribute provided
/fileadmin/tmpl/img/Logo_footer.svgZoo Duisburg logo

Page structure

H1 heading
(Critically important)
Tierisch kreativ
The H1 heading is too short (16 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Tierisch kreativ
H2 Nachwuchs bei den Brillenbären
H3 Auf Grund von Brückensanierungsarbeiten ist die Zufahrt auf den Parkplatz P1 derzeit nur über die zweite Einfahrt möglich.
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.
There are 2 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 11 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://zoo-duisburg.de/IMG-ALT Zoo-Duisburg logo
A-TITLE Startseite
/ihr-zoobesuchIhr Zoobesuch
/unser-zoo/aktuelles-1Aktuelles
A-TITLE Aktuelles
/preise-oeffnungszeitenPreise / Öffnungszeiten / Anfahrt
A-TITLE Preise / Öffnungszeiten / Anfahrt
https://zoo-duisburg.de/termineTermine
A-TITLE Termine
https://zoo-duisburg.de/serviceService
A-TITLE Service
https://zoo-duisburg.de/lageplanLageplan
A-TITLE Lageplan
/erlebnisangeboteErlebnisangebote
A-TITLE Erlebnisangebote
/zooordnungZoo Ordnung
A-TITLE Zoo Ordnung
/ihr-zoobesuch/hunde-im-zooHunde im Zoo
A-TITLE Hunde im Zoo
https://zooschule.zoo-duisburg...New window External Subdomain Zooschule
A-TITLE Zooschule
https://zoo-duisburg.de/kontaktFAQs
A-TITLE FAQs
https://zoo-duisburg.de/tierindexUnsere Tiere
https://zoo-duisburg.de/tierindexTierindex - Steckbriefe
A-TITLE Tierindex - Steckbriefe
/tiere-und-anlagenTiere und Anlagen
A-TITLE Tiere und Anlagen
https://zoo-duisburg.de/zeitenFütterungszeiten/Vorstellungen
A-TITLE Fütterungszeiten/Vorstellungen
/tiere/beschaeftigung/trainingBeschäftigung/Training
A-TITLE Beschäftigung/Training
/artenschutzArtenschutz
A-TITLE Artenschutz
https://delfinarium-zoo-duisbu...New window External Delfinarium
A-TITLE Delfinarium
https://zoo-duisburg.de/unser-zooUnser Zoo
/unser-zoo/aktuellesText duplicate Aktuelles
A-TITLE Aktuelles
/unternehmenUnternehmen
A-TITLE Unternehmen
/unser-zoo/aufgaben-des-zoosAufgaben des Zoos
A-TITLE Aufgaben des Zoos
https://zoo-duisburg.de/videosVideos
A-TITLE Videos
/masterplanMasterplan Zoo
A-TITLE Masterplan Zoo
https://zoo-duisburg.de/karriereArbeiten im Zoo
A-TITLE Arbeiten im Zoo
/foerderungZoo fördern
/patenschaftenPatenschaften
A-TITLE Patenschaften
https://zoo-duisburg.de/seeloewenProjekt: Seelöwen
A-TITLE Projekt: Seelöwen
/flusspferdeProjekt: Zwergflusspferde
A-TITLE Projekt: Zwergflusspferde
/flusspferd-kunstFlusspferd-Kunst
A-TITLE Flusspferd-Kunst
https://www.amazon.de/gp/regis...New window External Subdomain Amazon Wunschliste
A-TITLE Amazon Wunschliste
/foerderung/amazonFutterheld
A-TITLE Futterheld
/foerderung/vereinFörderverein
A-TITLE Förderverein
/foerderung/sponsoren-spendenSponsoren & Partner
A-TITLE Sponsoren & Partner
/foerderung/spendenSpenden
A-TITLE Spenden
/foerderung/nachlassNachlass
A-TITLE Nachlass
https://shop.zoo-duisburg.de/New window External Subdomain Ticketshop
https://zoo-duisburg.de/DE
A-TITLE Deutsch
https://zoo-duisburg.de/en/EN
A-TITLE English
/unser-zoo/aktuelles/detailans...New window Trivial anchor text
Mehr
/flusspferd-kunstText duplicate Trivial anchor text
Mehr
https://zoo-duisburg.de/termineText duplicate Termine
/unser-zoo/aktuellesZoo aktuell
https://shop.zoo-duisburg.de/New window External Subdomain Text duplicate Ticketshop
https://zoo-duisburg.de/lageplanZooplan
https://zoo-duisburg.de/termineText duplicate Termine
https://www.facebook.com/ZooDu...New window External Subdomain Facebook
A-TITLE Facebook
https://www.instagram.com/zood...New window External Subdomain Instagram
A-TITLE Instagram
/barrierefreiheitBarrierefreiheit
A-TITLE Barrierefreiheit
/netiquetteNetiquette
A-TITLE Netiquette
https://zoo-duisburg.de/impressumImpressum
A-TITLE Impressum
https://zoo-duisburg.de/kontaktKontakt
A-TITLE Kontakt
/datenschutzDatenschutz
A-TITLE Datenschutz
https://zoo-duisburg.de/agbAGB
A-TITLE AGB
https://zoo-duisburg.de/lksgLkSG
A-TITLE LkSG
/verhaltenskodexVerhaltenskodex
A-TITLE Verhaltenskodex
http://www.partnerzoo.de/New window External Subdomain A-TITLE Link zu NRW PartnerZoo
https://www.eaza.net/New window External Subdomain A-TITLE Link zu EAZA
http://www.vdz-zoos.org/New window External Subdomain A-TITLE Link zu VDZ Zoos
http://www.waza.org/New window External Subdomain A-TITLE Link zu waza
https://zoo-duisburg.de/IMG-ALT Zoo Duisburg logo
A-TITLE Startseite
https://zoo-duisburg.de/Anchor A-TITLE Nach oben rollen

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://zoo-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)
This page loads 18 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.13 seconds.
This page only loads 3 CSS files. That's ok.
The file size of the HTML document is fine (55 kB).

HTTP Response Header

NameValue
dateWed, 23 Jul 2025 05:44:25 GMT
content-languagede-DE
expiresWed, 23 Jul 2025 11:56:46 GMT
cache-controlmax-age=22341
pragmapublic
varyAccept-Encoding
content-encodinggzip
x-ua-compatibleIE=edge
x-content-type-optionsnosniff
content-length7357
keep-alivetimeout=5, max=100
connectionclose
content-typetext/html; charset=utf-8
set-cookie160 Characters
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 202 referring domains.
This page has 4,212 backlinks.
This page has backlinks from 185 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

zoo-duisburg.de
Start - Zoo-Duisburg

Most important keywords

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

KeywordResultRecheck
Zoo61%Check
Tierisch55%Check
Tierisch kreativ52%Check
kreativ50%Check
im Zoo49%Check
tierischen39%Check
Kunstwerke39%Check
Unikate39%Check
Nachwuchs38%Check
Brillenbären38%Check
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