Stefan-foerster.de - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
52% 
Page structure
70% 
Link structure
90% 
Server
100% 
External factors
0% 
SEO Score
Response time
0.02 s
File size
10.10 kB
Words
224
Media files
0
Number of links
33 internal / 3 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Informatik aus Versehen
The length of the page title is perfect. (217 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Irrungen und Wirrungen in Bayern
The length of the meta description is perfect. (208 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.stefan-foerster.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)
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 character encoding is not specified in the HTTP header.
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
rendererwebkit
viewportwidth=device-width, initial-scale=1, maximum-scale=1
theme-color#f8f5ec
msapplication-navbutton-color#f8f5ec
apple-mobile-web-app-capableyes
apple-mobile-web-app-status-bar-style#f8f5ec
authorStefan Förster
descriptionIrrungen und Wirrungen in Bayern
keywordsinformatik, theme, even
generatorHugo 0.133.0 with theme even
langde
twitter:cardsummary
twitter:titleInformatik aus Versehen
twitter:descriptionIrrungen und Wirrungen in Bayern
og:urlhttps://www.stefan-foerster.de/
og:site_nameInformatik aus Versehen
og:titleInformatik aus Versehen
og:descriptionIrrungen und Wirrungen in Bayern
og:localede
og:typewebsite
X-UA-CompatibleIE=edge,chrome=1
Cache-Controlno-siteapp
charsetutf-8

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Page quality

Content
(Critically important)
There are only 224 words on this page. Use at least 250 words to provide useful information.
Words from the H1 heading are not used in the page content.
37.5% 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.
5 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 16.89 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1, maximum-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 6 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

No media files were found.

Page structure

H1 heading
(Critically important)
clevis, tang, luks: Parallel oder nicht?
Too many H1 headings
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 clevis, tang, luks: Parallel oder nicht?
H1 Lokale Buchhandlungen, DRM-freie eBooks
H1 systemd-nspawn: BTRFS und automatische Bridges
H1 Kleiner Helfer: it-tools
H1 Calibre, KOReader und Audible
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 3 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.stefan-foerster.de/Informatik aus Versehen
/page/impressum/Impressum
/page/datenschutz/Datenschutzerklärung
/tags/Tags
/categories/Kategorien
/post/Archiv
https://www.stefan-foerster.de/Text duplicate Informatik aus Versehen
/page/impressum/Text duplicate Impressum
/page/datenschutz/Text duplicate Datenschutzerklärung
/tags/Text duplicate Tags
/categories/Text duplicate Kategorien
/post/Text duplicate Archiv
/post/2025/clevis-tang-parallel/clevis, tang, luks: Parallel oder nicht?
/categories/technik/Technik
/post/2025/secure-erase-and-cl...geschrieben
/post/2025/clevis-tang-parallel/Weiterlesen...
/post/2025/lokale-buchhandlungen/Lokale Buchhandlungen, DRM-freie eBooks
/categories/vermischtes/Vermischtes
/post/2025/koreader/das Kraut ausgeschüttet hatte
/post/2025/lokale-buchhandlungen/Text duplicate Weiterlesen...
/post/2025/systemd-nspawn-2/systemd-nspawn: BTRFS und automatische Bridges
/categories/technik/Text duplicate Technik
/post/2025/systemd-nspawn/Artikel
/post/2025/systemd-nspawn-2/Text duplicate Weiterlesen...
/post/2025/it-tools/Kleiner Helfer: it-tools
/categories/technik/Text duplicate Technik
/post/2025/it-tools/Text duplicate Weiterlesen...
/post/2025/koreader/Calibre, KOReader und Audible
/categories/technik/Text duplicate Technik
/post/2025/amazon-usb-download/letztens
/post/2025/koreader/Text duplicate Weiterlesen...
/page/2/Weiter
https://github.com/cite/External A-TITLE github
/index.xmlSubdomain A-TITLE rss
https://gohugo.io/External Hugo
https://github.com/olOwOlo/hug...External Even

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.stefan-foerster.de/"
HTTP header
(Important)
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 0.02 seconds.
The file size of the HTML document is fine (10 kB).

HTTP Response Header

NameValue
alt-svch3=":443"; ma=2592000
content-encodingbr
content-typetext/html
dateTue, 13 May 2025 00:58:34 GMT
etag"680c8528-95f"
last-modifiedSat, 26 Apr 2025 07:03:04 GMT
servernginx
strict-transport-securitymax-age=31536000
varyAccept-Encoding
x-frame-optionsSAMEORIGIN
x-xss-protection1; mode=block
content-length2399
statuscode200
http_versionHTTP/2

External factors

We didn't find any backlinks to this page.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /page/datenschutz/
Disallow: /page/impressum/
Sitemap: https://www.stefan-foerster.de/sitemap.xml

User-agent: AI2Bot
User-agent: Ai2Bot-Dolma
User-agent: Amazonbot
User-agent: anthropic-ai
User-agent: Applebot
User-agent: Applebot-Extended
User-agent: Brightbot 1.0
User-agent: Bytespider
User-agent: CCBot
User-agent: ChatGPT-User
User-agent: Claude-Web
User-agent: ClaudeBot
User-agent: cohere-ai
User-agent: cohere-training-data-crawler
User-agent: Crawlspace
User-agent: Diffbot
User-agent: DuckAssistBot
User-agent: FacebookBot
User-agent: FriendlyCrawler
User-agent: Google-Extended
User-agent: GoogleOther
User-agent: GoogleOther-Image
User-agent: GoogleOther-Video
User-agent: GPTBot
User-agent: iaskspider/2.0
User-agent: ICC-Crawler
User-agent: ImagesiftBot
User-agent: img2dataset
User-agent: ISSCyberRiskCrawler
User-agent: Kangaroo Bot
User-agent: Meta-ExternalAgent
User-agent: Meta-ExternalFetcher
User-agent: OAI-SearchBot
User-agent: omgili
User-agent: omgilibot
User-agent: PanguBot
User-agent: PerplexityBot
User-agent: PetalBot
User-agent: Scrapy
User-agent: SemrushBot-OCOB
User-agent: SemrushBot-SWA
User-agent: Sidetrade indexer bot
User-agent: Timpibot
User-agent: VelenPublicWebCrawler
User-agent: Webzio-Extended
User-agent: YouBot
Disallow: /

Similar sites

Search preview

www.stefan-foerster.de
Informatik aus Versehen
Irrungen und Wirrungen in Bayern

Most important keywords

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

KeywordResultRecheck
clevis50%Check
tang50%Check
luks50%Check
Parallel50%Check
Informatik46%Check
Versehen46%Check
Förster46%Check
Lokale38%Check
Buchhandlungen38%Check
systemd-nspawn38%Check
Show more keywords and terms

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