Apps.zum.de - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
58% 
Page structure
75% 
Link structure
93% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.08 s
File size
103.60 kB
Words
349
Media files
42
Number of links
54 internal / 14 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Startseite | ZUM-Apps
The page title is too short. (198 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://apps.zum.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)
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
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
langde
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 only 349 words on this page. Good pages should have about 800 words of useful content.
26.9% of the text are stop words.
The page contains a listing, which indicates a good text layout.
3 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 10.4 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 7 tags for this page.
Image SEO
(Somewhat important)
18 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
/themes/custom/appsis/logo.svgStartseite
...mes/custom/appsis/media/images/login.svgLogin
/themes/custom/appsis/media/images/menu.svgMenü
...mes/custom/appsis/media/images/close.svgMenü
/themes/custom/appsis/media/images/menu.svgMenü
...mes/custom/appsis/media/images/close.svgMenü
....de/adnoframe.php?pid=42&ord=[timestamp]No alt attribute provided
...om/appsis/media/images/puzzle-banner.svgHeader Image
/sites/default/files/h5p_preview/29667.jpgNo alt attribute provided
...blic/user/Patrick-Moji.jpg?itok=ZHwLFPLOPatrick Oberdörfer
/sites/default/files/h5p_preview/29042.jpgNo alt attribute provided
.../public/user/M3_Logo_0.jpg?itok=fP-NSAeeerklaerung-und-mehr.org
/sites/default/files/h5p_preview/29034.jpgNo alt attribute provided
...blic/user/Patrick-Moji.jpg?itok=ZHwLFPLOPatrick Oberdörfer
/sites/default/files/h5p_preview/28915.jpgNo alt attribute provided
.../public/user/M3_Logo_0.jpg?itok=fP-NSAeeerklaerung-und-mehr.org
/sites/default/files/h5p_preview/28904.jpgNo alt attribute provided
...ser/Karl-Kirst-300x300.jpg?itok=4fbnyZNhKarl Kirst
/sites/default/files/h5p_preview/28899.jpgNo alt attribute provided
...CE6-82BD-7D829C928C07.jpeg?itok=tVhCgaELBiobeiSi
/sites/default/files/h5p_preview/20160.jpgNo alt attribute provided
...ser/Karl-Kirst-300x300.jpg?itok=4fbnyZNhKarl Kirst
/sites/default/files/h5p_preview/28577.jpgNo alt attribute provided
.../user/Überlegen_01-1_0.jpg?itok=e38FhaHJSternzwerg
/sites/default/files/h5p_preview/30002.jpgNo alt attribute provided
...ser/Karl-Kirst-300x300.jpg?itok=4fbnyZNhKarl Kirst
/sites/default/files/h5p_preview/30001.jpgNo alt attribute provided
...ser/Karl-Kirst-300x300.jpg?itok=4fbnyZNhKarl Kirst
/sites/default/files/h5p_preview/30000.jpgNo alt attribute provided
...i/public/user/DFG-logo.png?itok=gZxujMh2DFGLFA
/sites/default/files/h5p_preview/29999.jpgNo alt attribute provided
...i/public/user/DFG-logo.png?itok=gZxujMh2DFGLFA
/sites/default/files/h5p_preview/29998.jpgNo alt attribute provided
...stom/appsis/media/images/avatar-mini.pngBüttinghaus
/sites/default/files/h5p_preview/29994.jpgNo alt attribute provided
...lic/user/Download3 (1).png?itok=MkZPWy-dNicoleB
/sites/default/files/h5p_preview/29993.jpgNo alt attribute provided
...lic/user/Download3 (1).png?itok=MkZPWy-dNicoleB
/sites/default/files/h5p_preview/29992.jpgNo alt attribute provided
...stom/appsis/media/images/avatar-mini.pngargena
...om/appsis/media/images/logo-zum-text.svgNo 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.

Heading structure

Heading levelContent
H2 Hauptnavigation
H2 Fächer
H2 Hauptnavigation Duplicate text
H2 Featured Apps
H2 Neue Apps
H2 Aktuelles
H2 Fragen zum Urheberrecht
H2 Bei der ZUM mitmachen
H2 Fußzeile
H3 OERCamp Werkstatt 2025 - Gruppenbild
H3 Das Konklave: So wird ein neuer Papst gewählt – Ablauf und Bedeutung erklärt
H3 ZUM Ostereiersuche 2025
H3 Der Koalitionsvertrag von CDU, CSU und SPD vom April 2025
H3 Jahreszeiten | Bildzuordnung
H3 Genregulation bei Eukaryonten
H3 OER-Bilder in ZUM Deutsch Lernen
H3 Bahnanlagen - Ein Kreuz
H3 Verben mit Präpositionen - in der Pflege | Zuordnung nach Präpositionen
H3 Partizip II | Zuordnung
H3 Die Vereinten Nationen
H3 Die Wirtschaftsform des Merkantilismus
H3 Lucky Luke?
H3 Zinstage berechnen (deutsche Usanz mit Schaltjahr)
H3 Interne Kalkulation (Begriffe zuordnen)
H3 A1 - K4 Verb essen
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 14 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://apps.zum.de/Anchor Direkt zum Inhalt
https://apps.zum.de/IMG-ALT Startseite
https://apps.zum.de/appsApps suchen
https://apps.zum.de/überÜber ZUM-Apps
/erste-schritteErste Schritte
https://apps.zum.de/h5p-workflowsSubdomain H5P-Workflows
A-TITLE Eine Handreichung für die Erstellung von OER-H5P-Inhaltstypen
https://apps.zum.de/hilfenHilfen
https://www.zum.de/portal/spen...New window External Subdomain Spenden
https://apps.zum.de/userLogin / Registrieren
IMG-ALT Login
https://apps.zum.de/fach/chemieChemie
https://apps.zum.de/fach/deutschDeutsch
/fach/Deutsch als Fremdsprache...Deutsch als Fremdsprache (DaF/DaZ)
https://apps.zum.de/fach/englischEnglisch
https://apps.zum.de/fach/ethikEthik
/fach/geographieGeographie
/fach/geschichteGeschichte
/fach/mathematikMathematik
https://apps.zum.de/fach/physikPhysik
https://apps.zum.de/fach/politikPolitik
https://apps.zum.de/faecherAlle Fächer
https://apps.zum.de/appsText duplicate Apps suchen
https://apps.zum.de/überText duplicate Über ZUM-Apps
/erste-schritteText duplicate Erste Schritte
https://apps.zum.de/h5p-workflowsSubdomain Text duplicate H5P-Workflows
A-TITLE Eine Handreichung für die Erstellung von OER-H5P-Inhaltstypen
https://apps.zum.de/hilfenText duplicate Hilfen
https://www.zum.de/portal/spen...New window External Subdomain Text duplicate Spenden
https://lehreronline.adspirit....External Subdomain No Text
https://apps.zum.de/überMehr erfahren
/erste-schritteText duplicate Erste Schritte
https://www.zum.de/portalNew window External Subdomain ➜ Mehr erfahren
https://www.zum.de/portal/spen...New window External Subdomain Anchor Jetzt spenden
https://www.zum.de/portal/spen...New window External Subdomain Anchor 5€Für einen Kaffee für unseren Admin
https://www.zum.de/portal/spen...New window External Subdomain Anchor 20€Tagungsraummiete ZUM-Workshop für 1 Person
https://www.zum.de/portal/spen...New window External Subdomain Anchor 50€Für neue Illustrationen
https://apps.zum.de/apps/41583OERCamp Werkstatt 2025 - Gruppenbild Bau 1254 Patrick Oberdörfer
IMG-ALT Patrick Oberdörfer
https://apps.zum.de/apps/40868Das Konklave: So wird ein neuer Papst gewählt – Ablauf und Bedeutung erklärt Re 1128 erklaerung-und-mehr.org
IMG-ALT erklaerung-und-mehr.org
https://apps.zum.de/apps/40859ZUM Ostereiersuche 2025 Son 20 Patrick Oberdörfer
IMG-ALT Patrick Oberdörfer
https://apps.zum.de/apps/40729Der Koalitionsvertrag von CDU, CSU und SPD vom April 2025 Pol 1086 erklaerung-und-mehr.org
IMG-ALT erklaerung-und-mehr.org
https://apps.zum.de/apps/40715Jahreszeiten | Bildzuordnung DaF 535 Karl Kirst
IMG-ALT Karl Kirst
https://apps.zum.de/apps/40708Genregulation bei Eukaryonten Bio 1098 BiobeiSi
IMG-ALT BiobeiSi
https://apps.zum.de/apps/30413OER-Bilder in ZUM Deutsch Lernen DaF Son 432 Karl Kirst
IMG-ALT Karl Kirst
https://apps.zum.de/apps/40276Bahnanlagen - Ein Kreuz Te Son 31 Sternzwerg
IMG-ALT Sternzwerg
https://apps.zum.de/apps/41907Verben mit Präpositionen - in der Pflege | Zuordnung nach Präpositionen DaF 0 Karl Kirst
IMG-ALT Karl Kirst
https://apps.zum.de/apps/41906Partizip II | Zuordnung DaF 0 Karl Kirst
IMG-ALT Karl Kirst
https://apps.zum.de/apps/41905Die Vereinten Nationen Ge Pol 0 DFGLFA
IMG-ALT DFGLFA
https://apps.zum.de/apps/41904Die Wirtschaftsform des Merkantilismus Ge 0 DFGLFA
IMG-ALT DFGLFA
https://apps.zum.de/apps/41903Lucky Luke? En 0 Büttinghaus
IMG-ALT Büttinghaus
https://apps.zum.de/apps/41899Zinstage berechnen (deutsche Usanz mit Schaltjahr) Wi 0 NicoleB
IMG-ALT NicoleB
https://apps.zum.de/apps/41898Interne Kalkulation (Begriffe zuordnen) Wi 0 NicoleB
IMG-ALT NicoleB
https://apps.zum.de/apps/41897A1 - K4 Verb essen DaF 0 argena
IMG-ALT argena
https://apps.zum.de/appsApps durchstöbern
/news/performance-verbesserung...27.5.2025 Performance Verbesserungen & neue Fächer im Bereich Berufliche Bildung
/news/advanced-fill-blanks16.4.2025 Advanced Fill in the Blanks
/news/was-passiert-wenn24.3.2025 Was passiert, wenn?
/news/h5p-workflows-neuer-beitrag18.1.2025 H5P-Workflows - neuer Beitrag
/news/wartungupdate-januar-202425.1.2024 Wartung/Update Januar 2024
https://apps.zum.de/newsWeitere Meldungen
/faq-urheberrechtText duplicate Mehr erfahren
https://www.zum.de/portal/mitm...New window External Subdomain Text duplicate Mehr erfahren
https://bsky.app/profile/zumev...New window External Bluesky
A-TITLE Folge der ZUM auf Bluesky
https://bildung.social/@ZUMTeamNew window External Mastadon
A-TITLE Folge der ZUM auf Mastadon
https://www.instagram.com/zumt...New window External Subdomain Instagram
A-TITLE Folge der ZUM auf Instagram
https://www.zum.de/portal/spen...External Subdomain Text duplicate Spenden
https://apps.zum.de/impressumImpressum
https://apps.zum.de/datenschutzDatenschutz
/nutzungsbedingungenNutzungsbedingungen
A-TITLE /nutzungsbedingungen
https://apps.zum.de/contactKontakt
https://zum.de/New window External No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://apps.zum.de/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 is excellent with 0.08 seconds.
The file size of the HTML document is fine (104 kB).

HTTP Response Header

NameValue
servernginx/1.28.0
content-typetext/html; charset=UTF-8
cache-controlmax-age=900, public
dateFri, 13 Jun 2025 04:06:14 GMT
x-drupal-dynamic-cacheMISS
content-languagede
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
x-drupal-cache-tagsblock_content:12 block_content:13 block_content:14 block_content:15 block_content:16 block_content:18 block_content:19 block_content:22 block_content:4 block_content_view block_view config:block.block.appsis_benachrichtigungen config:block.block.appsis_content config:block.block.appsis_copyrightinformation config:block.block.appsis_local_actions config:block.block.appsis_local_tasks config:block.block.appsis_page_title config:block.block.appsis_sociallinks config:block.block.appsis_views_block__author_info_block_1 config:block.block.appsis_views_block__h5p_missing_copyright_block_1 config:block.block.appsis_views_block__h5p_unveroeffentlichte_app_block_1 config:block.block.bannerstartseite config:block.block.boxenstartseite config:block.block.brandingderwebsite config:block.block.cookiesui config:block.block.fusszeile config:block.block.hauptnavigation config:block.block.hauptnavigation_2 config:block.block.hauptnavigation_3 config:block.block.hervorgehobenesformularh5p_apps_filterpage_2 config:block.block.hervorgehobenesformularh5p_apps_filterpage_2_2 config:block.block.hervorgehobenesformularuser_searchpage_2 config:block.block.hervorgehobenesformularuser_searchpage_2_2 config:block.block.hinweiswartungsarbeiten config:block.block.hinweiswartungsarbeiten_2 config:block.block.loginlink config:block.block.menutoggle config:block.block.menutoggle_2 config:block.block.nutzerfeedbackfreischalten config:block.block.spendenbanner config:block.block.user_tabs config:block.block.views_block__aktuelles_block_1 config:block.block.views_block__dashboard_user_actions_block_1 config:block.block.views_block__dashboard_user_block_1 config:block.block.views_block__dashboard_user_block_1_2 config:block.block.views_block__dashboard_user_connections_block_1 config:block.block.views_block__fachschaft_fachportal_block_1 config:block.block.views_block__faecher_auswahl_block_1 config:block.block.views_block__h5p_app_page_title_block_1 config:block.block.views_block__h5p_app_page_title_block_2 config:block.block.views_block__h5p_app_preview_block_1 config:block.block.views_block__h5p_app_preview_featured_block_1 config:block.block.views_block__h5p_app_sidebar_block_1 config:block.block.views_block__h5p_apps_portal_block_1 config:block.block.views_block__h5p_apps_portal_block_2 config:block.block.views_block__h5p_apps_title_block_1 config:block.block.views_block__header_user_block_1 config:block.block.views_block__taxonomie_check_block_1 config:block.block.werbebannerhochkant config:block.block.werbebannerquerbreit config:block.block.werbebannerquerschmal_2 config:block_list config:cookies.config config:cookies.cookies_service config:cookies.cookies_service_group config:cookies.texts config:field.storage.taxonomy_term.field_faechergruppe config:field.storage.taxonomy_term.field_icon config:field.storage.user.field_user_photo config:filter.format.pures_html config:flag.flag.bookmark config:flag.flag.featured_app config:flag.flag.like config:matomo.settings config:system.menu.footer config:system.menu.main config:system.site config:user.role.anonymous config:views.view.aktuelles config:views.view.faecher_auswahl config:views.view.h5p_app_preview config:views.view.h5p_app_preview_featured config:views.view.header_user flag.flag.featured_app flagging_list http_response local_task node:19256 node:20160 node:2234 node:26887 node:28557 node:28577 node:28899 node:28904 node:28915 node:28948 node:29034 node:29042 node:29667 node:29722 node:29992 node:29993 node:29994 node:29998 node:29999 node:30000 node:30001 node:30002 node:37 node:38 node:39 node:48 node:49 node_list node_view rendered taxonomy_term:10 taxonomy_term:14 taxonomy_term:15 taxonomy_term:16 taxonomy_term:17 taxonomy_term:19 taxonomy_term:20 taxonomy_term:7 taxonomy_term:8 taxonomy_term:9 taxonomy_term_list user:0 user:11084 user:14981 user:15757 user:1665 user:19756 user:2114 user:4734 user:5507 user:77 user_list
x-drupal-cache-contextslanguages route theme timezone url user
x-drupal-cache-max-age-1 (Permanent)
expiresSun, 19 Nov 1978 05:00:00 GMT
last-modifiedFri, 13 Jun 2025 04:06:14 GMT
etagW/"1749787574"
varyCookie
x-generatorDrupal 10 (https://www.drupal.org)
x-drupal-cacheMISS
content-security-policyframe-ancestors 'self' *.zum.de *.idea-sketch.com rechtschreiben-digital.de energypedia.info;
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 120 referring domains.
This page has 272 backlinks.
This page has backlinks from 112 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register/
Disallow: /user/password/
Disallow: /user/login/
Disallow: /user/logout/
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password/
Disallow: /index.php/user/register/
Disallow: /index.php/user/login/
Disallow: /index.php/user/logout/

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Search preview

Most important keywords

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

KeywordResultRecheck
Apps68%Check
ZUM-Apps46%Check
Deutsch43%Check
neue43%Check
Zuordnung43%Check
Hauptnavigation43%Check
Verb43%Check
Deutsch lernen42%Check
Spende39%Check
Fächer38%Check
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