Kofler.info - SEO Checker

Overview of the SEO Check
Meta information
75% 
Page quality
34% 
Page structure
65% 
Link structure
53% 
Server
70% 
External factors
100% 
SEO Score
Response time
0.16 s
File size
50.20 kB
Words
232
Media files
19
Number of links
89 internal / 4 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
kofler.info | Bücher von Michael Kofler.
The domain is used in the page's 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://kofler.info/
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width
robotsmax-image-preview:large
langde-de
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 232 words on this page. Use at least 250 words to provide useful information.
Only 2 paragraph/s was/were found on this page.
The average number of words per sentence of 8.5 words is low.
17.7% 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.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 5 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width" 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)
17 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)
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
/wp-content/uploads/cropped-hochschwab1.jpgkofler.info
/wp-content/uploads/li-ref6.jpgNo alt attribute providedLinux-Kommandoreferenz (6. Aufl., Juni 2024)
/wp-content/uploads/pi8.jpgNo alt attribute providedRaspberry Pi - Das umfassende Handbuch, 8. Aufl. (Mai 2024)
/wp-content/uploads/datenbanksysteme2.jpgNo alt attribute providedDatenbanksysteme - Das umfassende Lehrbuch (2. Aufl. März 2024)
/wp-content/uploads/wp.jpgNo alt attribute providedWärmepumpen (Nov. 2023)
/wp-content/uploads/pv2.jpgNo alt attribute providedPhotovoltaik (2. Aufl. Okt. 2023)
/wp-content/uploads/linux-2023.jpgNo alt attribute providedLinux - Das umfassende Handbuch (Nov. 2023)
/wp-content/uploads/docker4.jpgNo alt attribute providedDocker (Okt. 2023)
/wp-content/uploads/scripting.jpgNo alt attribute providedScripting (Juli 2023)
/wp-content/uploads/hacking3.jpgNo alt attribute providedHacking & Security (3. Aufl. Dez. 2022)
/wp-content/uploads/git2.jpgNo alt attribute providedGit (April 2022)
/wp-content/uploads/java17.jpgNo alt attribute providedJava - Der Grundkurs (April 2022)
/wp-content/uploads/python3.jpgNo alt attribute providedPython - Der Grundkurs (Juli 2024)
/wp-content/uploads/git-english.jpgNo alt attribute providedGit (English edition: Oct 2022)
/wp-content/uploads/docker-english.jpgNo alt attribute providedDocker (English edition: Feb 2023)
/wp-content/uploads/hacking-english.jpgNo alt attribute providedHacking & Security (English edition: July 2023)
/wp-content/uploads/scripting-en.jpgNo alt attribute providedScripting (English edition: Feb. 2024)
/wp-content/uploads/linux-en.jpgNo alt attribute providedScripting (English edition: June 2024)
/wp-content/uploads/iprot-logo-1.pngiprot-logo

Page structure

H1 heading
(Critically important)
kofler.info
Too many H1 headings
The H1 heading is too short (11 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 kofler.info
H1 Bücher von Michael Kofler
H1 Übersetzungen
H1 Sonstiges
H1 Blog & News
H1 Blog-Kategorien
H2 Bücher von Michael Kofler.
Some anchor texts are used more than once.
17 links don't have an anchor text.
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 4 external links on this page.
LinkAttributesAnchor text
https://kofler.info/IMG-ALT kofler.info
https://kofler.info/Text duplicate kofler.info
https://kofler.info/Anchor Suchen
https://kofler.info/Anchor Zum Inhalt springen
https://kofler.info/buecher/Bücher
/buecher/datenbanksysteme/Datenbanksysteme — Das umfassende Lehrbuch
/buecher/docker/Docker
/buecher/excel-programmieren/Excel programmieren
https://kofler.info/buecher/git/Git
/buecher/hacking-security/Hacking & Security
/buecher/java-der-grundkurs/Java – Der Grundkurs
/buecher/kotlin/Kotlin
/buecher/linux/Linux – Das umfassende Handbuch
/buecher/linux-kommandoreferenz/Linux – Kommandoreferenz
/buecher/photovoltaik/Photovoltaik
/buecher/python/Python — Der Grundkurs
/buecher/raspberry-pi-das-umfa...Raspberry Pi — Das umfassende Handbuch
/buecher/scripting/Scripting
/buecher/swift/Swift — Das umfassende Handbuch
/buecher/waermepumpen/Wärmepumpen
https://kofler.info/blog/Blog
https://kofler.info/ueber/Über
/ueber/michael-kofler/Michael Kofler
/ueber/ebooks-kofler/ebooks.kofler
/ueber/bibliografie/Bibliografie
/ueber/uebersetzungen/Übersetzungen
https://kofler.info/ueber/iprot/iPROT
/ueber/datenschutzerklaerung/Datenschutzerklärung
https://kofler.info/impressum/Impressum
/buecher/linux-kommandoreferenzNo Text
/raspberry-pi-das-umfassende-h...No Text
/buecher/datenbanksystemeNo Text
/buecher/waermepumpen/No Text
/buecher/photovoltaik/No Text
https://kofler.info/buecher/linuxNo Text
/buecher/dockerNo Text
/buecher/scriptingNo Text
/buecher/hacking-security/No Text
https://kofler.info/buecher/gitNo Text
/buecher/java-der-grundkursNo Text
/buecher/pythonNo Text
https://kofler.info/buecher/gitNo Text
/buecher/dockerNo Text
/buecher/hacking-securityNo Text
/buecher/scriptingNo Text
https://kofler.info/buecher/linuxNo Text
https://iprot.info/cmsExternal IMG-ALT iprot-logo
https://iprot.info/cmsExternal iprot.info
https://kofler.info/buecherText duplicate Bücher
https://kofler.info/blogText duplicate Blog
https://kofler.info/ueberText duplicate Über
https://kofler.info/impressumText duplicate Impressum
https://mastodon.social/@micha...External [email protected]
/praxis-mit-ubuntu-server-24-04/Erste Praxiserfahrungen mit Ubuntu Server 24.04
/linux-kommandoreferenz-6-ist-...📚 »Linux-Kommandoreferenz« (6. Aufl.) ist erschienen
/screen-sharing-mit-raspberry-...Screen Sharing mit Raspberry Pi Connect
/ollama-speed-benchmark/Einfacher Ollama-Speed-Benchmark
https://kofler.info/ubuntu-24-04/Ubuntu 24.04
/📚-raspberry-pi-8-aufl-ist-ers...📚 »Raspberry Pi« (8. Aufl.) ist erschienen
/sprachmodelle-llms-lokal-ausf...Sprachmodelle (LLMs) lokal ausführen
/rasap-der-perfekte-ad-blocker...RasAP – Der perfekte Ad-Blocker zuhause
/datenbanksysteme-2-auflage/📚 »Datenbanksysteme« (2. Aufl.) ist erschienen
/fronius-wechselrichter-in-hom...Fronius Wechselrichter in Home Assistant einbinden
/fedora-asahi-linux-praxis/Fedora Asahi Linux in der Praxis
/raspberry-pi-5-mit-pcie-ssd/Raspberry Pi 5 mit PCIe-SSD
/fedora-asahi-remix/Fedora Asahi Remix installieren
/gpio-reloaded-iii-kamera/GPIO Reloaded III: Kamera
/anteil-erneuerbarer-energie-s...Anteil erneuerbarer Energien bei der Stromerzeugung stark gestiegen
/gpio-reloaded-ii-bash/GPIO Reloaded II: Bash
/gpio-reloaded-i-python/GPIO Reloaded I: Python
/mongodb-beispieldatenbanken-f...MongoDB-Beispieldatenbanken für Docker einrichten
https://kofler.info/waermepumpen/📚 Das Buch »Wärmepumpen« ist erschienen
/linux-und-photovoltaik-neuauf...📚 Linux (18. Aufl.) und Photovoltaik (2. Aufl.) erschienen
/category/docker/Text duplicate Docker
/category/ebooks/E-Books
https://kofler.info/category/git/Text duplicate Git
/category/hacking/Hacking
/category/java/Java
https://kofler.info/category/ki/KI
/category/kotlin/Text duplicate Kotlin
/category/linux/Linux
/category/macos/macOS
/category/markdown/Markdown
/category/mysql/MySQL
/category/news/News
/category/photovoltaik-und-wae...Photovoltaik und Wärmepumpen
/category/python/Python
/category/raspberry-pi/Raspberry Pi
/category/scripting/Text duplicate Scripting
/category/sonstiges/Sonstiges
/category/swift/Swift
/ueber/datenschutzerklaerung/Text duplicate Datenschutzerklärung
https://de.wordpress.org/External Subdomain Stolz präsentiert von WordPress

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://kofler.info/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
This page loads 10 CSS files. This may affect the page load time negatively.
This page loads 5 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.16 seconds.
The file size of the HTML document is fine (50 kB).

HTTP Response Header

NameValue
dateWed, 26 Jun 2024 04:31:05 GMT
serverApache/2.4.52 (Ubuntu)
strict-transport-securitymax-age=63072000; includeSubdomains; preload
x-pingbackhttps://kofler.info/xmlrpc.php
link<https://kofler.info/wp-json/>; rel="https://api.w.org/"
varyAccept-Encoding
content-encodinggzip
content-length11393
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 521 referring domains.
This page has 59,840 backlinks.
This page has backlinks from 324 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.

Most important keywords

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

KeywordResultRecheck
kofler81%Check
info77%Check
Michael Kofler68%Check
Info Blog61%Check
Bücher54%Check
Michael54%Check
Blog43%Check
Blog News42%Check
Linux38%Check
Datenbanksysteme38%Check

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