Oinf.ch - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
75% 
Page structure
79% 
Link structure
25% 
Server
86% 
External factors
42% 
SEO Score
Response time
1.18 s
File size
60.00 kB
Words
1321
Media files
3
Number of links
157 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
OInf
The page title is too short. (39 pixels of 580 max pixel length) Optimize title
The page title is only one word.
There are no duplicate words in the title
Meta description
(Critically important)
Obligatorisches Fach Informatik am Gymnasium
The length of the meta description is perfect. (300 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://oinf.ch/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de-de
Server location: United States of America
The following language is defined by HTML: de-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
descriptionObligatorisches Fach Informatik am Gymnasium
viewportwidth=device-width, initial-scale=1.0
robotsmax-image-preview:large
generatorWordPress 6.0.9
langde-de
Content-Typetext/html; charset=UTF-8
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
These Typos were found:
  • grossen => großen
  • zugrundeliegt => zugrunde liegt; zu Grunde liegt
This page contains 1321 words. That's ok.
34.9% of the text are stop words.
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 19.41 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)
Some tags are too long. With 119 characters this one is longer than 70 characters:
"wie funktioniert ein computer? wieso steckt hinter so vielen anwendungen eine datenbank? wie funktioni..."
Image SEO
(Somewhat important)
3 images have no alt attribute. The content of alt attributes is used by search engines.
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)
This page uses Google authorship information without an image.
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
...ent/uploads/OInfLogo-header_schwarz3.pngNo alt attribute provided
/wp-content/uploads/Beispielkonzept.pngNo alt attribute provided
/wp-content/uploads/IA_intern_NR2.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 Was ist OInf.ch?
H2 Für wen ist OInf.ch?
H2 Wie ist OInf.ch aufgebaut?
H2 Von wem ist OInf.ch?
H4 Codes & Algorithmen
H4 Programmieren
H4 Vernetzung & Systeme
H4 Informationsgesellschaft
H4 Simulationen
H4 Hinweis für Lehrpersonen
H4 Beispielkonzept
H4 Analogie
H4 Beispielaufgabe
H4 Wozu die Spoiler?
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.
1 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 7 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://oinf.ch/suche/A-TITLE Suche
https://oinf.ch/registrierung/A-TITLE Benutzer erstellen
/login/?from=https://oinf.ch/A-TITLE Login
https://oinf.ch/OINF
https://oinf.ch/kurs/einstieg/Einstieg
https://oinf.ch/oinf/konzepte/Konzepte
https://oinf.ch/interactives/Interactives
/kurs/codes-und-algorithmen/Codes & Algorithmen
/kurs/codes-und-algorithmen/si...Sichere Passwörter
/kurs/codes-und-algorithmen/bi...Binärsystem
/kurs/codes-und-algorithmen/di...Digitale Informationen
/kurs/codes-und-algorithmen/gr...Grafikformate
/kurs/codes-und-algorithmen/da...Dateiformate
/kurs/codes-und-algorithmen/al...Algorithmen
/kurs/codes-und-algorithmen/de...Der Weg zum Lösungsweg
/kurs/codes-und-algorithmen/so...Sortieren interaktiv
/kurs/codes-und-algorithmen/in...Informatik Biber
/kurs/programmieren/Programmieren
/kurs/programmieren/greenfoot-...Greenfoot: Vorstellung
/kurs/programmieren/greenfoot-...Greenfoot: Einführung
/kurs/programmieren/variablen/Variablen
/kurs/programmieren/verzweigun...Verzweigungen
/kurs/programmieren/greenfoot-...Greenfoot-Roadkill
/kurs/programmieren/schleifen/Schleifen
/kurs/programmieren/methoden/Methoden
/kurs/programmieren/klassen/Klassen
/kurs/programmieren/datenstruk...Datenstrukturen
/kurs/programmieren/projektent...Projektentwicklung
/kurs/programmieren/programmie...Programmieren: Anfängerfehler
/kurs/vernetzung-und-systeme/Vernetzung & Systeme
/kurs/vernetzung-und-systeme/k...Kommunikation in Netzwerken
/kurs/vernetzung-und-systeme/d...Datenbanken
/kurs/vernetzung-und-systeme/c...Computersysteme
/kurs/informationsgesellschaft/Informationsgesellschaft
/kurs/informationsgesellschaft...Schadprogramme
/kurs/informationsgesellschaft...Virenschutz
/kurs/informationsgesellschaft...Schutzmassnahmen
/kurs/informationsgesellschaft...Verschlüsselung
/kurs/informationsgesellschaft...Zertifikate
/kurs/informationsgesellschaft...Privatsphäre
/kurs/informationsgesellschaft...Datenschutz
/kurs/informationsgesellschaft...Metadaten
/kurs/informationsgesellschaft...Personalisierung
/kurs/informationsgesellschaft...Künstliche Intelligenz
/kurs/informationsgesellschaft...BigData
/kurs/simulationen/Simulationen
/kurs/simulationen/modellieren/Modellieren
/kurs/simulationen/simulieren/Simulieren
/kurs/simulationen/validieren/Validieren
/kurs/simulationen/beispielsim...Beispielsimulationen
https://oinf.ch/No Text
https://oinf.ch/suche/Text duplicate A-TITLE Suche
https://oinf.ch/registrierung/Text duplicate A-TITLE Benutzer erstellen
/login/?from=https://oinf.ch/Text duplicate A-TITLE Login
https://oinf.ch/Text duplicate OINF
https://oinf.ch/kurs/einstieg/Text duplicate Einstieg
https://oinf.ch/oinf/konzepte/Text duplicate Konzepte
https://oinf.ch/interactives/Text duplicate Interactives
/kurs/codes-und-algorithmen/Text duplicate Codes & Algorithmen
/kurs/codes-und-algorithmen/si...Text duplicate Sichere Passwörter
/kurs/codes-und-algorithmen/bi...Text duplicate Binärsystem
/kurs/codes-und-algorithmen/di...Text duplicate Digitale Informationen
/kurs/codes-und-algorithmen/gr...Text duplicate Grafikformate
/kurs/codes-und-algorithmen/da...Text duplicate Dateiformate
/kurs/codes-und-algorithmen/al...Text duplicate Algorithmen
/kurs/codes-und-algorithmen/de...Text duplicate Der Weg zum Lösungsweg
/kurs/codes-und-algorithmen/so...Text duplicate Sortieren interaktiv
/kurs/codes-und-algorithmen/in...Text duplicate Informatik Biber
/kurs/programmieren/Text duplicate Programmieren
/kurs/programmieren/greenfoot-...Text duplicate Greenfoot: Vorstellung
/kurs/programmieren/greenfoot-...Text duplicate Greenfoot: Einführung
/kurs/programmieren/variablen/Text duplicate Variablen
/kurs/programmieren/verzweigun...Text duplicate Verzweigungen
/kurs/programmieren/greenfoot-...Text duplicate Greenfoot-Roadkill
/kurs/programmieren/schleifen/Text duplicate Schleifen
/kurs/programmieren/methoden/Text duplicate Methoden
/kurs/programmieren/klassen/Text duplicate Klassen
/kurs/programmieren/datenstruk...Text duplicate Datenstrukturen
/kurs/programmieren/projektent...Text duplicate Projektentwicklung
/kurs/programmieren/programmie...Text duplicate Programmieren: Anfängerfehler
/kurs/vernetzung-und-systeme/Text duplicate Vernetzung & Systeme
/kurs/vernetzung-und-systeme/k...Text duplicate Kommunikation in Netzwerken
/kurs/vernetzung-und-systeme/d...Text duplicate Datenbanken
/kurs/vernetzung-und-systeme/c...Text duplicate Computersysteme
/kurs/informationsgesellschaft/Text duplicate Informationsgesellschaft
/kurs/informationsgesellschaft...Text duplicate Schadprogramme
/kurs/informationsgesellschaft...Text duplicate Virenschutz
/kurs/informationsgesellschaft...Text duplicate Schutzmassnahmen
/kurs/informationsgesellschaft...Text duplicate Verschlüsselung
/kurs/informationsgesellschaft...Text duplicate Zertifikate
/kurs/informationsgesellschaft...Text duplicate Privatsphäre
/kurs/informationsgesellschaft...Text duplicate Datenschutz
/kurs/informationsgesellschaft...Text duplicate Metadaten
/kurs/informationsgesellschaft...Text duplicate Personalisierung
/kurs/informationsgesellschaft...Text duplicate Künstliche Intelligenz
/kurs/informationsgesellschaft...Text duplicate BigData
/kurs/simulationen/Text duplicate Simulationen
/kurs/simulationen/modellieren/Text duplicate Modellieren
/kurs/simulationen/simulieren/Text duplicate Simulieren
/kurs/simulationen/validieren/Text duplicate Validieren
/kurs/simulationen/beispielsim...Text duplicate Beispielsimulationen
https://oinf.ch/registrierung/Registrierung
/rechtliche-hinweise/Rechtliche Hinweise
https://edudoc.ch/record/13191...External Rahmenlehrplan für die Maturitätsschulen: Informatik
https://oinf.ch/konzepte/Text duplicate Konzepte
/wp-content/uploads/Beispielko...No Text
http://www.informatikdidaktik....External Subdomain www.informatikdidaktik.de/Forschung/Schriften/ZDM.pdf
https://oinf.ch/interactives/interaktiven Werkzeugen
https://edudoc.ch/record/13191...External Text duplicate Rahmenlehrplan für die Maturitätsschulen: Informatik
https://haslerstiftung.ch/External Hasler Stiftung
https://www.ag.ch/de/bks/bks.jspExternal Subdomain Kantons Aargau
http://www.nksa.ch/External Subdomain Neuen Kantonsschule Aarau
https://nmf.ch/New window External New Media Factory, Basel
https://oinf.ch/kontakt/Kontaktformular
https://oinf.ch/feedback/Feedbackformular
/rechtliche-hinweise/Text duplicate Rechtliche Hinweise
/datenschutzerklaerung/Datenschutzerklärung
https://oinf.ch/Text duplicate OINF
https://oinf.ch/kurs/einstieg/Text duplicate Einstieg
https://oinf.ch/oinf/konzepte/Text duplicate Konzepte
https://oinf.ch/interactives/Text duplicate Interactives
/kurs/codes-und-algorithmen/Text duplicate Codes & Algorithmen
/kurs/codes-und-algorithmen/si...Text duplicate Sichere Passwörter
/kurs/codes-und-algorithmen/bi...Text duplicate Binärsystem
/kurs/codes-und-algorithmen/di...Text duplicate Digitale Informationen
/kurs/codes-und-algorithmen/gr...Text duplicate Grafikformate
/kurs/codes-und-algorithmen/da...Text duplicate Dateiformate
/kurs/codes-und-algorithmen/al...Text duplicate Algorithmen
/kurs/codes-und-algorithmen/de...Text duplicate Der Weg zum Lösungsweg
/kurs/codes-und-algorithmen/so...Text duplicate Sortieren interaktiv
/kurs/codes-und-algorithmen/in...Text duplicate Informatik Biber
/kurs/programmieren/Text duplicate Programmieren
/kurs/programmieren/greenfoot-...Text duplicate Greenfoot: Vorstellung
/kurs/programmieren/greenfoot-...Text duplicate Greenfoot: Einführung
/kurs/programmieren/variablen/Text duplicate Variablen
/kurs/programmieren/verzweigun...Text duplicate Verzweigungen
/kurs/programmieren/greenfoot-...Text duplicate Greenfoot-Roadkill
/kurs/programmieren/schleifen/Text duplicate Schleifen
/kurs/programmieren/methoden/Text duplicate Methoden
/kurs/programmieren/klassen/Text duplicate Klassen
/kurs/programmieren/datenstruk...Text duplicate Datenstrukturen
/kurs/programmieren/projektent...Text duplicate Projektentwicklung
/kurs/programmieren/programmie...Text duplicate Programmieren: Anfängerfehler
/kurs/vernetzung-und-systeme/Text duplicate Vernetzung & Systeme
/kurs/vernetzung-und-systeme/k...Text duplicate Kommunikation in Netzwerken
/kurs/vernetzung-und-systeme/d...Text duplicate Datenbanken
/kurs/vernetzung-und-systeme/c...Text duplicate Computersysteme
/kurs/informationsgesellschaft/Text duplicate Informationsgesellschaft
/kurs/informationsgesellschaft...Text duplicate Schadprogramme
/kurs/informationsgesellschaft...Text duplicate Virenschutz
/kurs/informationsgesellschaft...Text duplicate Schutzmassnahmen
/kurs/informationsgesellschaft...Text duplicate Verschlüsselung
/kurs/informationsgesellschaft...Text duplicate Zertifikate
/kurs/informationsgesellschaft...Text duplicate Privatsphäre
/kurs/informationsgesellschaft...Text duplicate Datenschutz
/kurs/informationsgesellschaft...Text duplicate Metadaten
/kurs/informationsgesellschaft...Text duplicate Personalisierung
/kurs/informationsgesellschaft...Text duplicate Künstliche Intelligenz
/kurs/informationsgesellschaft...Text duplicate BigData
/kurs/simulationen/Text duplicate Simulationen
/kurs/simulationen/modellieren/Text duplicate Modellieren
/kurs/simulationen/simulieren/Text duplicate Simulieren
/kurs/simulationen/validieren/Text duplicate Validieren
/kurs/simulationen/beispielsim...Text duplicate Beispielsimulationen

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://oinf.ch/"
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 slow (1.18 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 fine (60 kB).

HTTP Response Header

NameValue
servernginx
dateSat, 28 Sep 2024 02:08:15 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
link<https://oinf.ch/wp-json/>; rel="https://api.w.org/", <https://oinf.ch/wp-json/wp/v2/pages/2>; rel="alternate"; type="application/json", <https://oinf.ch/>; rel=shortlink
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 14 referring domains.
This page only has 60 backlinks.
This page only has few backlinks from 13 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php
Disallow: /wp-content/uploads/wpforms/

Sitemap: https://oinf.ch/wp-sitemap.xml

Similar sites

Search preview

oinf.ch
OInf
Obligatorisches Fach Informatik am Gymnasium

Most important keywords

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

KeywordResultRecheck
OINF72%Check
Informatik51%Check
Fach Informatik48%Check
Fach46%Check
Konzept45%Check
Algorithmen43%Check
Konzepte39%Check
Informationen39%Check
Anwendungen39%Check
Daten39%Check
Show more keywords and terms

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