Zdsk.de - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
80% 
Page structure
79% 
Link structure
97% 
Server
81% 
External factors
90% 
SEO Score
Response time
1.65 s
File size
800.30 kB
Words
1616
Media files
34
Number of links
21 internal / 27 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Deutschkurse | ZDSK | Tandem Frankfurt
The length of the page title is perfect. (368 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Zentrum für deutsche Sprache und Kultur in Frankfurt bietet Deutschkurse auf allen Niveaustufen an. Für Onlinekurse siehe www.tandem-frankfurt.de
The length of the meta description is perfect. (921 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.zdsk.de/
There is a valid canonical link 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)
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
descriptionZentrum für deutsche Sprache und Kultur in Frankfurt bietet Deutschkurse auf allen Niveaustufen an. Für Onlinekurse siehe www.tandem-frankfurt.de
keywordsGerman online Courses,Deutsch Onlinekurse
google-site-verification0ecywQN_0WjaKu7aNXebP3IOSAe7bIgqACeCRkGfV1g
viewportwidth=device-width, initial-scale=1
generatorWix.com Website Builder
wix-dynamic-custom-elementsDropDownMenu
format-detectiontelephone=no
skype_toolbarskype_toolbar_parser_compatible
langde
twitter:cardsummary_large_image
twitter:titleDeutschkurse | ZDSK | Tandem Frankfurt
twitter:descriptionZentrum für deutsche Sprache und Kultur in Frankfurt bietet Deutschkurse auf allen Niveaustufen an. Für Onlinekurse siehe www.tandem-frankfurt.de
twitter:imagehttps://static.wixstatic.com/media/933bb2_3b317abc09104c8098f3ea80615875b7~mv2.jpg/v1/fill/w_1218,h_644,al_c/933bb2_3b317abc09104c8098f3ea80615875b7~mv2.jpg
og:titleDeutschkurse | ZDSK | Tandem Frankfurt
og:descriptionZentrum für deutsche Sprache und Kultur in Frankfurt bietet Deutschkurse auf allen Niveaustufen an. Für Onlinekurse siehe www.tandem-frankfurt.de
og:imagehttps://static.wixstatic.com/media/933bb2_3b317abc09104c8098f3ea80615875b7~mv2.jpg/v1/fill/w_1218,h_644,al_c/933bb2_3b317abc09104c8098f3ea80615875b7~mv2.jpg
og:image:width1218
og:image:height644
og:urlhttps://www.zdsk.de
og:site_nameZDSK
og:typewebsite
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 1616 words. That's ok.
31.4% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
32 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 15.52 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
The file size of the HTML document is very large (800.3 kB).
A viewport "width=device-width, initial-scale=1" 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 32 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
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
..._0.66_1.00_0.01,enc_auto/logoblasen1.pngzdsk tandem frankfurt logo
...cc15ee62fb9841c4a86fe8814871c68e~mv2.jpgSchool
...ef37a1524857429aad879e2b5c2ddacd~mv2.jpgClassroom2
...9d31b52f6ee9422eb1f67c7d67ba0d87~mv2.jpgKulturprogramm Keramik bemalen
...cc15ee62fb9841c4a86fe8814871c68e~mv2.jpgSchool
...sm_0.66_1.00_0.01,enc_auto/lunch2024.jpglunch2024.jpg
..._1.00_0.01,enc_auto/Group-compressor.jpg Intensiv Premium morgens
..._1.00_0.01,enc_auto/Group-compressor.jpgAbendkurs Di+Do
..._1.00_0.01,enc_auto/Group-compressor.jpgPrüfungstraining B2/C1/telcC1 HS
..._1.00_0.01,enc_auto/Group-compressor.jpgC1-Aufbaukurs
..._1.00_0.01,enc_auto/Group-compressor.jpg Deutsch Intensiv nachmittags
..._1.00_0.01,enc_auto/Group-compressor.pngSchreiben
..._1.00_0.01,enc_auto/Group-compressor.pngTestDaF Vorbereitungskurs
..._1.00_0.01,enc_auto/Group-compressor.jpgFonetik
..._1.00_0.01,enc_auto/Group-compressor.jpg Intensiv Premium abends
..._1.00_0.01,enc_auto/Group-compressor.jpgGrammar
..._1.00_0.01,enc_auto/Group-compressor.jpgtelcC1 HS Vorebreitungskurs
..._1.00_0.01,enc_auto/Group-compressor.jpgKonversation
...5bacd7f3c07140babf4ed6465a6c4dc3~mv2.pngCare Concept Auslandsversicherung
...5836f8827a9647c38ebe13f467101dcb~mv2.jpgwolkenkratzer buch
...690c7e65c6594437b39835a3e4b11e5b~mv2.jpgwolkenkratzer buch
...658a51aba84a462d999aa652eea1ef54~mv2.jpgwolkenkratzer buch
...df5132bcdf9347d8b7c35152835f2974~mv2.jpgaspekte buch
...e120f908f93746439a4d89a0233d8a69~mv2.jpgaspekte buch
...,usm_0.66_1.00_0.01,enc_auto/testdaf.jpgtest daf
...sm_0.66_1.00_0.01,enc_auto/telcstart.jpgtelc language tests
...61806dba9bf6420ba785db9c2b087664~mv2.jpgparitaetisches bildungswerk hessen
...40,al_c,lg_1,q_80,enc_auto/tandemapp.jpgtandem app
...18,al_c,q_80,enc_auto/tandem_quality.jpgtandem quality
...0.66_1.00_0.01,enc_auto/logo_ti_2023.pnglogo_ti_2023.png

Page structure

H1 heading
(Critically important)
ZDSK - Zentrum für deutsche Sprache und Kultur Die Sprachschule.
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 ZDSK - Zentrum für deutsche Sprache und Kultur Die Sprachschule.
H2 News & Termine
H2 Unsere Kurse
H2 Was unsere Schüler sagen...
H2 Kontaktiere uns
H3 Deutsch am Vormittag Intensiv
H3 Abendkurs Mo+Mi / Di+Do
H3 Prüfungstraining telc B1/B2/C1
H3 C1-Aufbaukurs für Studium und Beruf
H3 Deutsch am Nachmittag Intensiv
H3 B2-Schreibkurs
H3 TestDaF digital - Vorbereitungskurs (Hybrid)
H3 Fonetik
H3 Deutsch am Abend Kompakt
H3 Grammatikkurs (hybrid)
H3 telc C1 Hochschule-Vorbereitungskurs
H3 Konversation
H5 Nächster Kursstart am 05. August!
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are too many external links (27) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.zdsk.de/Subdomain IMG-ALT zdsk tandem frankfurt logo
http://tandem-frankfurt.de/New window External in Kooperation mit TANDEM Frankfurt - Die Onlinesprachschule.
https://www.zdsk.de/Subdomain Home
https://www.zdsk.de/Subdomain News
https://www.zdsk.de/Subdomain Kurse & Preise
/unterkunft-visumSubdomain Unterkunft & Visum
https://www.zdsk.de/pruefungenSubdomain Prüfungen
https://www.zdsk.de/faqSubdomain FAQ
https://www.zdsk.de/die-schuleSubdomain Die Schule
https://www.zdsk.de/unser-teamSubdomain Unser Team
/unsere-geschichteSubdomain Unsere Geschichte
https://www.zdsk.de/leitfadenSubdomain Unser Leitbild
https://www.tandem-frankfurt.de/New window External Subdomain TANDEM Onlinekurse
https://www.lernmedien-wolkenk...New window External Subdomain Wolkenkratzer
https://www.zdsk.de/Subdomain Kontakt
/tandem-internationalSubdomain Partner
/frankfurt-umgebungSubdomain Frankfurt & Umgebung
/raumvermietungSubdomain Raumvermietung
https://www.zdsk.de/blogSubdomain Blog
https://zdsk.sharepoint.com/si...New window External Subdomain Mitarbeiterportal
https://www.zdsk.de/blankSubdomain Feedback
http://einstufungstest.online/New window External Trivial anchor text
Hier
http://www.tandem-frankfurt.de/New window External Subdomain Tandem-Frankfurt e.V.
http://www.tandem-frankfurt.de/New window External Subdomain www.tandem-frankfurt.de
https://www.care-concept.de/sp...New window External Subdomain are Concept".
https://www.care-concept.de/sp...New window External Subdomain IMG-ALT Care Concept Auslandsversicherung
https://pb-paritaet.de/New window External Paritätischen Bildungswerk
https://www.uni-frankfurt.de/d...New window External Subdomain Goethe Universität Frankfurt am Main
https://www.lernmedien-wolkenk...New window External Subdomain Onlineversion
https://www.klett-sprachen.de/...New window External Subdomain Aspekte NEU
https://www.klett-sprachen.de/New window External Subdomain Klett Verlag
https://shop.blinklearning.com...New window External Subdomain blinklearning kaufen
https://www.klett-sprachen.de/...New window External Subdomain Anchor IMG-ALT aspekte buch
https://www.zdsk.de/blankSubdomain Feedback zu deinem Deutschkurs
https://maps.google.com/?cid=1...New window External Subdomain IMG-ALT googlePlaces
https://www.facebook.com/ZDSKt...New window External Subdomain IMG-ALT Facebook
https://www.instagram.com/zdsk...New window External Subdomain IMG-ALT Instagram
https://www.youtube.com/c/ZDSK...New window External Subdomain IMG-ALT YouTube
https://wise.com/New window External www.wise.com
https://www.zdsk.de/impressumSubdomain Impressum
https://www.zdsk.de/Subdomain AGB
https://www.zdsk.de/datenschutzSubdomain Datenschutz
https://www.testdaf.de/New window External Subdomain IMG-ALT test daf
https://www.telc.net/New window External Subdomain IMG-ALT telc language tests
http://www.pbhessen.de/New window External Subdomain IMG-ALT paritaetisches bildungswerk hessen
https://www.tandem.net/?utm_so...New window External Subdomain IMG-ALT tandem app
https://www.tandem-schools.com...New window External Subdomain IMG-ALT tandem quality
https://www.tandem-schools.com...New window External Subdomain IMG-ALT logo_ti_2023.png

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is very slow (1.65 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 very large (800 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=UTF-8
link<https://static.parastorage.com/>; rel=preconnect; crossorigin;,<https://static.parastorage.com/>; rel=preconnect;,<https://static.wixstatic.com/>; rel=preconnect; crossorigin;,<https://static.wixstatic.com/>; rel=preconnect;,<https://siteassets.parastorage.com>; rel=preconnect; crossorigin;,
x-wix-request-id1721717068.6175332984298024308
html-cacheabletrue
etagW/"8180548ca30eba20d7d94466d72f52be"
content-languageen
strict-transport-securitymax-age=86400
age0
set-cookie85 Characters
cache-controlprivate,max-age=0,must-revalidate
serverPepyaka
x-content-type-optionsnosniff
content-encodinggzip
accept-rangesbytes
dateTue, 23 Jul 2024 06:44:30 GMT
x-served-bycache-fra-etou8220062-FRA
x-cacheMISS
varyAccept-Encoding
server-timingcache;desc=miss, varnish;desc=miss_miss, dc;desc=fastly_84_g
x-seen-byyvSunuo/8ld62ehjr5B7kA==,yI4PPEXc3bvXNWfpzSkUarxkNjrXdwdgtu6E0yACibU=,m0j2EEknGIVUW/liY8BLLm+RUUxFrhyTYE58WvxHjkmdv/c7uH0ky0wFkt5EFvml,2d58ifebGbosy5xc+FRalvwgeqSYKx8JXnFY/d9VLaJuTl2uMMoJmiQ3aEAG666APl5tC2KhI2yEfui+aw550w==,2UNV7KOq4oGjA5+PKsX47C6VpjyKVtIJ8puZLz77pEg=,m1vo0OdA3CgCELcVXSJR2NlFJnUcSELF1Ese7uzwtqM=,wjXkXN74v+Dcwxj+UalvvlCNzGWXFLsa2XWJi9NOft3o9wPe5lSfe/YmvtkYGJswsKmU/oTqJA0WJS7jy1FbAA==,j7xJYz0fw5EOzFId4BbAVqz8lljmT8ulf/OpHIjDr+8=,LoUK8/saGAmOxZWtpubo2m/i2MZKXaNAv7rZYEtIdei0bv5WLyLwdwqM4AKvQO8SE5Yf318xn/6G14le5yjAhPglNpD5zqYL3qIp1T+Fxqk=,j7xJYz0fw5EOzFId4BbAVqz8lljmT8ulf/OpHIjDr+8=,Kx8FQg8qZTqABZy3EnRDz0zVDFm8bZ5goVHEJaLBw0JRUy57MibfMKSIS3lneF2oww0kFXuR2evT8e7T57q1f0xyMJ3nAjl3Qrq62YfqnNE=
via1.1 google
glb-x-seen-bybS8wRlGzu0Hc+WrYuHB8QIg44yfcdCMJRkBoQ1h6Vjc=
alt-svch3=":443"; ma=2592000,h3-29=":443"; ma=2592000
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is very well linked from other websites.
This page has backlinks from 29 referring domains.
This page has 76 backlinks.
This page has backlinks from 26 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Allow: /
User-agent: Googlebot
Disallow: *?lightbox=

# Optimization for Google Ads Bot
User-agent: AdsBot-Google-Mobile
User-agent: AdsBot-Google
Disallow: /_api/*
Disallow: /_partials*
Disallow: /pro-gallery-webapp/v1/galleries/*

# Block PetalBot
User-agent: PetalBot
Disallow: /

# Crawl delay for overly enthusiastic bots
User-agent: dotbot
Crawl-delay: 10
User-agent: AhrefsBot
Crawl-delay: 10

Sitemap: https://www.zdsk.de/sitemap.xml
Sitemap: https://www.zdsk.de/en_gb-sitemap.xml
Sitemap: https://www.zdsk.de/es_es-sitemap.xml

# Auto generated, go to SEO Tools > Robots.txt Editor to change this

Similar sites

Search preview

www.zdsk.de
Deutschkurse | ZDSK | Tandem Frankfurt
Zentrum für deutsche Sprache und Kultur in Frankfurt bietet Deutschkurse auf allen Niveaustufen an. Für Onlinekurse siehe www.tandem-frankfurt.de

Most important keywords

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

KeywordResultRecheck
Deutsch79%Check
ZDSK75%Check
ZDSK Zentrum68%Check
Kurs63%Check
Kultur63%Check
telc Deutsch63%Check
Zentrum62%Check
deutsche62%Check
Sprache62%Check
Kurse62%Check
Show more keywords and terms

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