blog.jonas-hellmann.de | Website SEO Review

Response time

0.17 s

File size

103.90 kB

Words

1454

Media files

21

Number of links

120 internal / 18 external

Meta specifications 98% achieved

Title

(Critically important)

Jonas Hellmann Blog - Softwareentwickler / Software Developer

The length of the page title is perfect. (575 pixels out of 580 max pixel length)

There are no duplicate words in the title

Meta Title

Meta description

(Critically important)

Softwareentwickler / Software Developer

The length of the meta description is perfect. (254 pixels out of 1000 max pixel length)

Meta Description

Crawlability

(Critically important)

There are no problems in accessing the website.

Search Engine Crawlers

Canonical URL

(Important)

https://blog.jonas-hellmann.de/

There is a valid canonical link specified.

Canonical Tag

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

Declaring language in HTML

Alternate/Hreflang Links

(Somewhat important)

There are no alternate links specified on this page.

Hreflang

Other meta tags

(Somewhat important)

There is no rel prev meta tag on this page.

Rel next URL https://blog.jonas-hellmann.de/page/2/

The rel next and prev tags are set correctly.

Meta Tags

Domain

(Somewhat important)

This page is hosted on a subdomain. Use a top level domain for better SEO results.

The domain does not contain non-latin characters.

Domain for SEO

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.

SEO-friendly URLs

Charset encoding

(Somewhat important)

The charset encoding (UTF-8) is set correctly.

Character Encoding

Doctype

(Nice to have)

The doctype HTML 5 is set correctly.

The doctype is placed at first in the HTML code.

HTML Doctype

Favicon

(Nice to have)

The favicon is linked correctly.

Favicon

Meta tags

Name	Value
viewport	width=device-width, initial-scale=1.0
robots	index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
description	Softwareentwickler / Software Developer
generator	WordPress 6.5.4
msapplication-TileImage	https://blog.jonas-hellmann.de/wp-content/uploads/2017/10/cropped-Jonas-Hellmann-1-270x270.jpg
lang	de-de
twitter:card	summary_large_image
og:locale	de_DE
og:type	website
og:title	Jonas Hellmann Blog
og:description	Softwareentwickler / Software Developer
og:url	https://blog.jonas-hellmann.de/
og:site_name	Jonas Hellmann Blog
X-UA-Compatible	IE=EDGE
next	https://blog.jonas-hellmann.de/page/2/
charset	UTF-8

Page quality 89% achieved

Content

(Critically important)

This page contains 1454 words. That's ok.

43% 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.

21 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 17.66 words is good.

Content is King

Frames

(Critically important)

This page does not use a frameset.

Frames and framesets

Mobile optimization

(Somewhat important)

A viewport "width=device-width, initial-scale=1.0" is provided.

At least one Apple touch icon is specified.

Mobile Optimization

Bold and strong tags

(Somewhat important)

The usage of strong and bold tags is perfect. We recommend the use of up to 29 tags for this page.

Strong and Bold Tags

Image SEO

(Somewhat important)

7 images have no alt attribute. The content of alt attributes is used by search engines.

Image SEO

There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.

Social Sharing

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.

HTTPS

Media list

URL	Alt attribute	Title
data:[...] Base64	No alt attribute provided
data:[...] Base64	No alt attribute provided
data:[...] Base64	Auditing executed actions
data:[...] Base64	User Login Screen
data:[...] Base64	Auditing executed actions
data:[...] Base64	User Login Screen
data:[...] Base64	InformatiCup Logo
data:[...] Base64	Nextcloud Login Page
data:[...] Base64	No alt attribute provided
data:[...] Base64	No alt attribute provided
data:[...] Base64	No alt attribute provided
data:[...] Base64	No alt attribute provided
data:[...] Base64	Raspberry wird als verfügbares Gerät in Spotify angezeigt
data:[...] Base64	No alt attribute provided
data:[...] Base64	Metabase Interface
data:[...] Base64	Certbot Certificate
data:[...] Base64	Include Matomo Wordpress Plugin-Seite
data:[...] Base64	Datenschutz Grundverordnung Symbolbild
data:[...] Base64	Aufgaben auf einem Zettel und in einer App
data:[...] Base64	Foto von der Übersichtseite der Wordpress Plugins
data:[...] Base64	The APEX login screen

Page structure 28% achieved

H1 heading

(Critically important)

Jonas Hellmann Blog

Too many H1 headings

The H1 heading is too short (19 characters). It should be at least 20 Characters long.

H1-H6 headings

Headings

(Important)

Some headings occur twice on the page.

The structure of headings is missing one or more levels. Do not skip heading levels.

There are 35 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

H1-H6 headings

Heading structure

Heading level	Content
H1	Jonas Hellmann Blog
H1	Jonas Hellmann Blog Duplicate text
H2	Using a proxy with JAX-RS on Jakarta/Java EE and JBoss EAP 7.2 / Wildfly 17
H2	D1 Mini NodeMCU with ESP8266 \| Showing API data on a SPI TFT display
H2	Adabas \| Auditing an Adabas Database
H2	Java EE & Keycloak \| Secure your application with Keycloak
H2	Using a proxy with JAX-RS on Jakarta/Java EE and JBoss EAP 7.2 / Wildfly 17 Duplicate text
H2	D1 Mini NodeMCU with ESP8266 \| Showing API data on a SPI TFT display Duplicate text
H2	Adabas \| Auditing an Adabas Database Duplicate text
H2	Java EE & Keycloak \| Secure your application with Keycloak Duplicate text
H2	InformatiCup 2021 \| Projekt im Rahmen des Studiums
H2	Nextcloud \| Additional apps I can recommend to use
H2	Firefox Addon \| Automatically skip intro on Netflix & Amazon Prime
H2	APEX \| Our Oracle APEX workflow with Git integration
H2	ArchUnit \| Überprüfen der Architektur in Java-Anwendungen
H2	SSO \| Single Sign-On using Apache, Kerberos and Jakarta EE
H2	EveryDocs – Entwicklung einer Ruby on Rails Anwendung
H2	Raspotify \| Use a Raspberry as a Spotify Connect Client
H2	Java EE 7 – How to speed up your application
H2	Metabase \| Create your own Reports
H2	Let’s Encrypt \| (Wildcard-) Certificates with Certbot
H2	Include Matomo \| Entwicklung eines WordPress-Plugins
H2	Die DSGVO \| Was habe ich unternommen?
H2	Verwalten von Aufgaben
H2	WordPress-Plugins \| Welche nutze ich?
H2	Authorization in Oracle APEX with LDAP groups
H2	Beitragsnavigation
H3	Lately I came across the problem that I needed to call some REST resources from ...
H3	This article describes how a D1 Mini NodeMCU with a built-in ESP8266 chip can retrieve ...
H3	Due to regulatory requirements, there is an increasing need to log the actions of ...
H3	When developing a new application, user management is usually required as well. ...
H5	Kategorien
H5	Wichtige Links
H5	Meta
H5	Neueste Beiträge

Link structure 25% achieved

Internal links

(Important)

Some anchor texts are used more than once.

34 links don't have an anchor text.

There are 1 links with a trivial 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.

Internal Linking

External links

(Nice to have)

There are 18 external links on this page.

External Links

Found links on this page

Link	Attributes	Anchor text
https://blog.jonas-hellmann.de/	Anchor	Zum Inhalt springen
https://blog.jonas-hellmann.de/	Subdomain	Jonas Hellmann Blog
https://blog.jonas-hellmann.de/	Subdomain	Start / Home
https://jonas-hellmann.de/kont...	External	Kontakt / Contact
/ueber-mich/	Subdomain	Über mich / About Me
https://blog.jonas-hellmann.de/	Subdomain Text duplicate	Jonas Hellmann Blog
https://blog.jonas-hellmann.de/	Subdomain Text duplicate	Start / Home
https://jonas-hellmann.de/kont...	External Text duplicate	Kontakt / Contact
/ueber-mich/	Subdomain Text duplicate	Über mich / About Me
/using-a-proxy-with-jax-rs-on-...	Subdomain	Weiterlesen »
/d1-mini-esp8266-wifi-client-t...	Subdomain Text duplicate	Weiterlesen »
/auditing-an-adabas-database/	Subdomain Text duplicate	Weiterlesen »
/java-ee-keycloak-secure-your-...	Subdomain Text duplicate	Weiterlesen »
/using-a-proxy-with-jax-rs-on-...	Subdomain	Using a proxy with JAX-RS on Jakarta/Java EE and JBoss EAP 7.2 / Wildfly 17
/using-a-proxy-with-jax-rs-on-...	Subdomain Anchor	Weiterlesen →
/d1-mini-esp8266-wifi-client-t...	Subdomain	D1 Mini NodeMCU with ESP8266 \| Showing API data on a SPI TFT display
/d1-mini-esp8266-wifi-client-t...	Subdomain Anchor Text duplicate	Weiterlesen →
/auditing-an-adabas-database/	Subdomain	No Text
/wp-content/uploads/2023/02/Au...	Subdomain	No Text
/auditing-an-adabas-database/	Subdomain	Adabas \| Auditing an Adabas Database
https://www.elastic.co/	New window External Subdomain	Elasticsearch
https://opensearch.org/	New window External	OpenSearch
/auditing-an-adabas-database/	Subdomain Anchor Text duplicate	Weiterlesen →
/java-ee-keycloak-secure-your-...	Subdomain	No Text
/wp-content/uploads/2021/08/us...	Subdomain	No Text
/java-ee-keycloak-secure-your-...	Subdomain	Java EE & Keycloak \| Secure your application with Keycloak
/java-ee-keycloak-secure-your-...	Subdomain Anchor Text duplicate	Weiterlesen →
/informaticup-2021/	Subdomain	No Text
/wp-content/uploads/2021/01/In...	Subdomain	No Text
/informaticup-2021/	Subdomain	InformatiCup 2021 \| Projekt im Rahmen des Studiums
https://github.com/Florian3007	New window External	einem Kommilitonen
https://informaticup.github.io...	New window External Subdomain	diesjährigen Ausgabe vom InformatiCup
https://gi.de/	New window External	Gesellschaft für Informatik
/informaticup-2021/	Subdomain Anchor Text duplicate	Weiterlesen →
/nextcloud-additional-apps/	Subdomain	No Text
/wp-content/uploads/2020/04/Ne...	Subdomain	No Text
/nextcloud-additional-apps/	Subdomain	Nextcloud \| Additional apps I can recommend to use
/der-eigene-webserver-wofuer/	New window Subdomain	article which application I installed on my server
/nextcloud-additional-apps/	Subdomain Anchor Text duplicate	Weiterlesen →
/skip-netflix-amazon-prime-int...	Subdomain	No Text
/wp-content/uploads/2020/02/ne...	Subdomain	No Text
/skip-netflix-amazon-prime-int...	Subdomain	Firefox Addon \| Automatically skip intro on Netflix & Amazon Prime
/skip-netflix-amazon-prime-int...	Subdomain Anchor	2 Kommentare A-TITLE 2 Kommentare an Firefox Addon \| Automatically skip intro on Netflix & Amazon Prime
https://addons.mozilla.org/de/...	New window External Subdomain	Skip Netflix Intro
https://addons.mozilla.org/de/...	New window External Subdomain	Skip Prime Video Intro
/skip-netflix-amazon-prime-int...	Subdomain Anchor Text duplicate	Weiterlesen →
/oracle-apex-our-workflow-with...	Subdomain	No Text
/wp-content/uploads/2019/10/or...	Subdomain	No Text
/oracle-apex-our-workflow-with...	Subdomain	APEX \| Our Oracle APEX workflow with Git integration
https://apex.oracle.com/en/	External Subdomain	creating reports based on SQL queries
/oracle-apex-our-workflow-with...	Subdomain Anchor Text duplicate	Weiterlesen →
/arch-unit-architektur-test-in...	Subdomain	No Text
/wp-content/uploads/2019/10/ja...	Subdomain	No Text
/arch-unit-architektur-test-in...	Subdomain	ArchUnit \| Überprüfen der Architektur in Java-Anwendungen
https://www.archunit.org/	External Subdomain	ArchUnit
/arch-unit-architektur-test-in...	Subdomain Anchor Text duplicate	Weiterlesen →
/sso-single-sign-on-using-apac...	Subdomain	SSO \| Single Sign-On using Apache, Kerberos and Jakarta EE
https://en.wikipedia.org/wiki/...	External Subdomain	SSO
/sso-single-sign-on-using-apac...	Subdomain Anchor Text duplicate	Weiterlesen →
/everydocs-ruby-on-rails-anwen...	Subdomain	No Text
/wp-content/uploads/2019/05/Do...	Subdomain	No Text
/everydocs-ruby-on-rails-anwen...	Subdomain	EveryDocs – Entwicklung einer Ruby on Rails Anwendung
/category/eine-anwendung-mit/	New window Subdomain	an einer Reihe verschiedener Programmiersprachen und Frameworks ausprobiert
/everydocs-ruby-on-rails-anwen...	Subdomain Anchor Text duplicate	Weiterlesen →
/raspotify-raspberry-spotify-c...	Subdomain	No Text
/wp-content/uploads/2018/02/Ra...	Subdomain	No Text
/raspotify-raspberry-spotify-c...	Subdomain	Raspotify \| Use a Raspberry as a Spotify Connect Client
/raspotify-raspberry-spotify-c...	Subdomain Anchor Text duplicate	Weiterlesen →
/java-ee-how-to-boost-your-jsf...	Subdomain	No Text
/wp-content/uploads/2019/03/Ca...	Subdomain	No Text
/java-ee-how-to-boost-your-jsf...	Subdomain	Java EE 7 – How to speed up your application
/java-ee-how-to-boost-your-jsf...	Subdomain Anchor Text duplicate	Weiterlesen →
/metabase-create-your-own-repo...	Subdomain	No Text
/wp-content/uploads/2018/08/Me...	Subdomain	No Text
/metabase-create-your-own-repo...	Subdomain	Metabase \| Create your own Reports
https://metabase.com/	External	Metabase
/metabase-create-your-own-repo...	Subdomain Anchor Text duplicate	Weiterlesen →
/lets-encrypt-wildcard-certifi...	Subdomain	No Text
/wp-content/uploads/2018/08/Ce...	Subdomain	No Text
/lets-encrypt-wildcard-certifi...	Subdomain	Let’s Encrypt \| (Wildcard-) Certificates with Certbot
/lets-encrypt-wildcard-certifi...	Subdomain Anchor Text duplicate	Weiterlesen →
/include-matomo-entwicklung-ei...	Subdomain	No Text
/wp-content/uploads/2018/06/In...	Subdomain	No Text
/include-matomo-entwicklung-ei...	Subdomain	Include Matomo \| Entwicklung eines WordPress-Plugins
https://wordpress.org/plugins/...	External	Include Matomo
/include-matomo-entwicklung-ei...	Subdomain Anchor Text duplicate	Weiterlesen →
/die-dsgvo-was-habe-ich-untern...	Subdomain	No Text
/wp-content/uploads/2018/05/Da...	Subdomain	No Text
/die-dsgvo-was-habe-ich-untern...	Subdomain	Die DSGVO \| Was habe ich unternommen?
/die-dsgvo-was-habe-ich-untern...	Subdomain Anchor Text duplicate	Weiterlesen →
/verwalten-von-aufgaben/	Subdomain	No Text
/wp-content/uploads/2018/05/TO...	Subdomain	No Text
/verwalten-von-aufgaben/	Subdomain	Verwalten von Aufgaben
/verwalten-von-aufgaben/	Subdomain Anchor Text duplicate	Weiterlesen →
/wordpress-plugins-welche-nutz...	Subdomain	No Text
/wp-content/uploads/2018/03/Wo...	Subdomain	No Text
/wordpress-plugins-welche-nutz...	Subdomain	WordPress-Plugins \| Welche nutze ich?
/wordpress-plugins-welche-nutz...	Subdomain Anchor Text duplicate	2 Kommentare A-TITLE 2 Kommentare an WordPress-Plugins \| Welche nutze ich?
/wordpress-plugins-welche-nutz...	Subdomain Anchor Text duplicate	Weiterlesen →
/authorization-in-oracle-apex-...	Subdomain	No Text
/wp-content/uploads/2018/04/AP...	Subdomain	No Text
/authorization-in-oracle-apex-...	Subdomain	Authorization in Oracle APEX with LDAP groups
/authorization-in-oracle-apex-...	Subdomain Anchor	1 Kommentar A-TITLE 1 Kommentar an Authorization in Oracle APEX with LDAP groups
https://apex.oracle.com/de/	External Subdomain	Oracle Application Express
/authorization-in-oracle-apex-...	Subdomain Anchor Text duplicate	Weiterlesen →
/page/2/	Subdomain	2
/page/3/	Subdomain	3
/page/2/	Subdomain	Ältere Beiträge
/category/android/	Subdomain	Android
/category/ausbildung/	Subdomain	Ausbildung
/category/automatisierung/	Subdomain	Automatisierung
/category/datenbank/	Subdomain	Datenbank
/category/eine-anwendung-mit/	Subdomain	Eine Anwendung mit…
/category/framework/	Subdomain	Framework
/category/internet/	Subdomain	Internet
/category/programmierung/	Subdomain	Programmierung
/category/programmierung/java/	Subdomain	Java
/category/programmierung/unit-...	Subdomain	Unit Testing
/category/raspberry-pi/	Subdomain	Raspberry Pi
/category/sicherheit/	Subdomain	Sicherheit
/category/tipp/	Subdomain	Tipp
/category/unkategorisiert/	Subdomain	Unkategorisiert
/datenschutz/	Subdomain	Datenschutz
/impressum/	Subdomain	Impressum
/wp-login.php	Nofollow Subdomain	Anmelden
/feed/	Subdomain	Feed der Einträge
/comments/feed/	Subdomain	Kommentare-Feed
https://de.wordpress.org/	External Subdomain	WordPress.org
/using-a-proxy-with-jax-rs-on-...	Subdomain Text duplicate	Using a proxy with JAX-RS on Jakarta/Java EE and JBoss EAP 7.2 / Wildfly 17
/d1-mini-esp8266-wifi-client-t...	Subdomain Text duplicate	D1 Mini NodeMCU with ESP8266 \| Showing API data on a SPI TFT display
/auditing-an-adabas-database/	Subdomain Text duplicate	Adabas \| Auditing an Adabas Database
/java-ee-keycloak-secure-your-...	Subdomain Text duplicate	Java EE & Keycloak \| Secure your application with Keycloak
/informaticup-2021/	Subdomain Text duplicate	InformatiCup 2021 \| Projekt im Rahmen des Studiums
https://blog.jonas-hellmann.de/	Subdomain Text duplicate	Jonas Hellmann Blog A-TITLE Jonas Hellmann Blog
https://de.wordpress.org/	New window External Subdomain	WP A-TITLE Powered by WordPress
https://presscustomizr.com/cus...	External	Customizr-Theme A-TITLE Customizr-Theme
/feed/rss/	New window Nofollow Subdomain	A-TITLE Subscribe to my rss feed
/datenschutz/	New window Subdomain	Trivial anchor text Read more

Server configuration 83% achieved

HTTP redirects

(Critically important)

This page redirects to "https://blog.jonas-hellmann.de/"

WWW Redirect

HTTP header

(Important)

The web server version is sent within the HTTP header.

The X-powered header is sent within the response header. (unnecessary)

This page uses GZip for compressed data transmission.

HTTP headers

Performance

(Somewhat important)

The page response time is excellent with 0.17 seconds.

The file size of the HTML document is fine (104 kB).

Page Speed

HTTP Response Header

Name	Value
date	Sat, 21 Sep 2024 23:11:05 GMT
server	Apache/2.4.61 (Debian)
x-powered-by	PHP/8.3.11
last-modified	Thu, 20 Jun 2024 14:08:40 GMT
vary	Accept-Encoding
content-encoding	gzip
content-length	19142
content-type	text/html; charset=UTF-8
statuscode	200
http_version	HTTP/2

External factors 39% achieved

Backlinks

(Critically important)

This page has only a few links from other websites.

This page only has backlinks from 13 referring domains.

This page only has 26 backlinks.

This page only has few backlinks from 5 different ip addresses.

Backlinks

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow:

Sitemap: https://blog.jonas-hellmann.de/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

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blog.jonas-hellmann.de

Jonas Hellmann Blog - Softwareentwickler / Software Developer

Softwareentwickler / Software Developer

Most important keywords

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

Keyword	Result	Recheck
log	81%	Check
Blog	79%	Check
Jonas	79%	Check
Hellmann	79%	Check
Jonas Hellmann Blog	79%	Check
Blog Software	71%	Check
Software	59%	Check
Software Developer	58%	Check
Java EE	57%	Check
Softwareentwickler Software	57%	Check
Softwareentwickler	56%	Check
Softwareentwickler Software Developer	56%	Check
Jakarta EE	56%	Check
EE application	56%	Check
Java EE application	52%	Check
APEX	46%	Check
WordPress	46%	Check
Auditing	46%	Check
Plugins	46%	Check
Oracle APEX	45%	Check
Java	44%	Check
data	44%	Check
Mini	44%	Check
display	44%	Check
call	44%	Check

Show more keywords and terms

Blog.jonas-hellmann.de - SEO Checker

Task list of SEO Improvements 4 Tasks

Meta specifications 98% achieved

(Critically important)

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(Important)

(Somewhat important)

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(Somewhat important)

(Nice to have)

(Nice to have)

Meta tags

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Page quality 89% achieved

(Critically important)

(Critically important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

(Somewhat important)

Media list

Page structure 28% achieved

(Critically important)

(Important)

Heading structure

Link structure 25% achieved

(Important)

(Nice to have)

Found links on this page

Server configuration 83% achieved

(Critically important)

(Important)

(Somewhat important)

HTTP Response Header

External factors 39% achieved

(Critically important)

Links from Wikipedia

Robots.txt

Similar sites

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