sierkbornemann.de | Website SEO Review

Response time

0.09 s

File size

17.70 kB

Words

235

Media files

20

Number of links

8 internal / 31 external

Meta specifications 100% achieved

Title

(Critically important)

Sierk Bornemann – Web-Entwickler. Mac. Unix/Linux

The length of the page title is perfect. (473 pixels out of 580 max pixel length)

There are no duplicate words in the title

Meta Title

Meta description

(Critically important)

sierkbornemann.de – Startseite :: Sierk Bornemann – Web-Entwickler. Mac. Unix/Linux.

The length of the meta description is perfect. (540 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://sierkbornemann.de/

There is a valid canonical link specified.

Canonical Tag

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

Declaring language in HTML

Alternate/Hreflang Links

(Somewhat important)

The specified alternate links have no errors.

Hreflang

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.

Meta Tags

Domain

(Somewhat important)

The domain is no subdomain.

The domain length is good.

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
DC.title	sierkbornemann.de – Startseite :: Sierk Bornemann – Web-Entwickler. Mac. Unix/Linux.
DC.Language	de
author	Sierk Bornemann
DC.Creator	Sierk Bornemann
DC.Publisher	Sierk Bornemann
DC.Rights	copyright 2004–2024 Sierk Bornemann
description	sierkbornemann.de – Startseite :: Sierk Bornemann – Web-Entwickler. Mac. Unix/Linux.
DC.Description	sierkbornemann.de – Startseite :: Sierk Bornemann – Web-Entwickler. Mac. Unix/Linux.
lang	de
charset	UTF-8

Page quality 52% achieved

Content

(Critically important)

There are only 235 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.

14.5% 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 13 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 6 tags for this page.

Strong and Bold Tags

Image SEO

(Somewhat important)

Alt text (alternative text) is correctly used on all found images.

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
/images/fa/custom/svg/code.svg	Code Icon
/images/fa/custom/svg/gears.svg	Zahnräder
/images/fa/white/svg/apple.svg	Apple Logo
/images/fa/white/svg/linux.svg	Linux Logo
/images/lang/svg/de.svg	German flag
/images/lang/svg/us.svg	United States of America flag
/images/lang/svg/gb.svg	British flag
/images/me/Sierk-portrait-500.jpg	Sierk Portrait Foto
/images/me/Sierk-portrait2-500.jpg	Sierk Portrait Foto
...g/Internet_Archive_logo_and_wordmark.svg	Internet Archiv Logo und Wortmarke
...g/Internet_Archive_logo_and_wordmark.svg	Internet Archiv Logo und Wortmarke
/images/fa/white/svg/archive.svg	Archivkarton
/images/fa/white/svg/archive.svg	Archivkarton
/images/fa/white/svg/archive.svg	Archivkarton
/images/fa/white/svg/archive.svg	Archivkarton
/images/fa/white/svg/archive.svg	Archivkarton
/images/fa/custom/svg/home.svg	Haus
/images/svg/runner-silhouette.svg	Rennender Mann
/images/fa/white/svg/address-card.svg	Adresskarte
/images/svg/privacypolicy.svg	Schild mit Häkchen

Page structure 100% achieved

H1 heading

(Critically important)

Sierk Bornemann Web-Entwickler Mac Unix/Linux Code Icon Zahnräder Apple Logo Linux Logo

The H1 heading is perfect.

H1-H6 headings

Headings

(Important)

The heading structure is perfect.

H1-H6 headings

Heading structure

Heading level	Content
H1	Sierk Bornemann Web-Entwickler Mac Unix/Linux Code Icon Zahnräder Apple Logo Linux Logo
H2	Netzwerken & Mitgliedschaft
H2	Code & Mitwirkung
H2	Publikationen
H3	Eine gigantische Datenautobahn – ein information superhighway – ...: das Internet.
H3	Netzwerken
H3	Mitgliedschaft
H3	Code
H3	Mitwirkung
H3	Bücher
H3	Journal-Beiträge

Link structure 88% achieved

Internal links

(Important)

There are too few (8) internal links on this page.

Every linktext is unique.

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 too many external links (31) on this page.

External Links

Found links on this page

Link	Attributes	Anchor text
https://sierkbornemann.de/		A-TITLE Startseite
/index.html.de		IMG-ALT German flag A-TITLE Deutsch
/index.html.en		IMG-ALT United States of America flag A-TITLE English
https://www.spektrum.de/magazi...	External Subdomain	Piraten im Datennetz, Spektrum der Wissenschaft 5/1994 A-TITLE Paul Wallich 'Piraten im Datennetz', Spektrum der Wissenschaft 5/1994, S.64. Original-Titel 'Wire Pirates', en-US, Erstveröffentlichung in Scientific America...
https://www.xing.com/profile/S...	External Subdomain	XING A-TITLE XING-Profil
https://www.linkedin.com/in/si...	External Subdomain	LinkedIn A-TITLE LinkedIn-Profil
https://www.w3.org/groups/wg/html	External Subdomain	W3C HTML Working Group, Public Invited Expert A-TITLE Mitglied W3C HTML Working Group (umbenannt November 2015 in HTML Media Extensions Working Group), Public Invited Expert
https://web.archive.org/web/20...	External Subdomain	IMG-ALT Internet Archiv Logo und Wortmarke A-TITLE Via Internet Archiv 01.07.2018: Mitglied W3C HTML Media Extension Working Group, Public Invited Expert
https://web.archive.org/web/20...	External Subdomain Text duplicate	IMG-ALT Internet Archiv Logo und Wortmarke A-TITLE Via Internet Archiv 14.03.2007: Mitglied W3C HTML Working Group, Public Invited Expert
https://github.com/sierkb	External	GitHub A-TITLE Mein GitHub-Profil
https://sourceforge.net/users/...	External	SourceForge A-TITLE Mein SourceForge-Profil
https://build.opensuse.org/pro...	External Subdomain	openSUSE Build Service A-TITLE Open Build Service (OBS), an openSUSE project
https://build.opensuse.org/use...	External Subdomain	Profil A-TITLE Open Build Service (OBS) Profile
https://build.opensuse.org/pac...	External Subdomain	IMG-ALT Archivkarton A-TITLE Show devel:tools / tidy - openSUSE Build Service
https://build.opensuse.org/pac...	External Subdomain Text duplicate	IMG-ALT Archivkarton A-TITLE Show Apache:Modules / apache2-mod_tidy - openSUSE Build Service
https://build.opensuse.org/pac...	External Subdomain Text duplicate	IMG-ALT Archivkarton A-TITLE Show Publishing / w3c-markup-validator - openSUSE Build Service
https://build.opensuse.org/pac...	External Subdomain Text duplicate	IMG-ALT Archivkarton A-TITLE Show devel:languages:perl / perl-HTML-Encoding - openSUSE Build Service
http://mod-tidy.sourceforge.net/	External Subdomain	mod_tidy A-TITLE mod_tidy – a TidyLib based DSO module for the Apache HTTP Server Version 2
https://github.com/apple-oss-d...	External	HTML Tidy A-TITLE HTML Tidy RPM Spec file
https://www.w3.org/TR/2018/SPS...	External Subdomain Anchor	HTML5 A-TITLE HTML5 – A vocabulary and associated APIs for HTML and XHTML, W3C Recommendation 28 October 2014, superseded 27 March 2018. Retired
https://www.w3.org/TR/2021/SPS...	External Subdomain Anchor	HTML5.1 A-TITLE HTML 5.1 2nd Edition, W3C Recommendation 03 October 2017, superseded 28 January 2021. Retired
https://www.w3.org/TR/2021/SPS...	External Subdomain Anchor	HTML5.2 A-TITLE HTML 5.2, W3C Recommendation, 14 December 2017, superseded 28 January 2021. Retired
https://www.w3.org/TR/2021/NOT...	External Subdomain Anchor	HTML5.3 A-TITLE HTML 5.3, W3C Working Group Note, 28 January 2021. Retired
https://html.spec.whatwg.org/m...	External Subdomain Anchor	HTML A-TITLE HTML, W3C/WHATWG Living Standard
https://validator.w3.org/about...	External Subdomain Anchor	W3C Markup Validator A-TITLE W3C Markup Validator
https://validator.w3.org/source/	External Subdomain Anchor Text duplicate	IMG-ALT Archivkarton A-TITLE Source code and package availability for the W3C Markup Validator, openSUSE/SUSE Linux RPM package
http://www.html-tidy.org/	External Subdomain	HTML5 Tidy A-TITLE HTML5 Tidy
http://tidy.sourceforge.net/	External Subdomain Text duplicate	HTML Tidy A-TITLE HTML Tidy
https://wiki.documentfoundatio...	External Subdomain	LibreOffice A-TITLE The Document Foundation Wiki: LibreOffice – QA/Bugzilla/Statistics
http://archiv.jendryschik.de/e...	External Subdomain	Mitwirkender/Co-Autor A-TITLE Michael Jendryschik: »Einführung in XHTML, CSS und Webdesign« – Koautoren und Vorveröffentlichungen
http://jendryschik.de/wsdev/ei...	External	Weitere Infos & Buch online lesen ... A-TITLE Einführung in XHTML, CSS und Webdesign, 2. Auflage – Standardkonforme, moderne und barrierefreie Websites erstellen.
http://archiv.jendryschik.de/e...	External Subdomain Text duplicate	Mitwirkender/Co-Autor A-TITLE Michael Jendryschik: »Einführung in XHTML, CSS und Webdesign« – Koautoren und Vorveröffentlichungen
https://shop.heise.de/katalog/...	External Subdomain	Artikel kaufen ... A-TITLE Saubermänner – Tidy/mod_tidy: Webseiten reinigen
/docs/saubermaenner.pdf		PDF A-TITLE Saubermänner – Tidy & Co., der Syntax-Checker für Web-Dokumente
https://www.yumpu.com/de/docum...	External Subdomain	Als ePaper online lesen ... A-TITLE Saubermänner – Tidy & Co., der Syntax-Checker für Web-Dokumente
https://sierkbornemann.de/		IMG-ALT Haus A-TITLE Startseite – Netzwerken & Mitgliedschaft, Code & Mitwirkung, Publikationen
/running.html		IMG-ALT Rennender Mann A-TITLE Laufen – Ergebnisse
/imprint.html		Impressum IMG-ALT Adresskarte A-TITLE Impressum / Kontakt – Anbieterkennzeichnung, Urheberrecht und Copyright
/privacypolicy.html		Datenschutz IMG-ALT Schild mit Häkchen A-TITLE Datenschutzerklärung (gemäß EU DS-GVO)

Server configuration 91% achieved

HTTP redirects

(Critically important)

This page redirects to "https://sierkbornemann.de/"

WWW Redirect

HTTP header

(Important)

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 0.09 seconds.

The file size of the HTML document is fine (18 kB).

Page Speed

HTTP Response Header

Name	Value
server	nginx
date	Mon, 29 Jul 2024 21:24:43 GMT
content-type	text/html; charset=UTF-8
content-length	4590
content-location	index.html.de
vary	negotiate,accept-language,Accept-Encoding,User-Agent
tcn	choice
expect-ct	max-age=86400
strict-transport-security	max-age=63072000; includeSubDomains; preload
content-security-policy	default-src 'none'; base-uri 'self'; form-action 'self'; object-src 'none'; frame-ancestors 'self'; script-src 'self' ajax.googleapis.com www.google-analytics.com www.googletagmanager.com; img-src 'self' www.google-analytics.com www.googletagmanager.com stats.g.doubleclick.net; worker-src 'self' fusiontables.googleusercontent.com fusiontables.google.com www.google.com; connect-src 'self' www.google-analytics.com www.googletagmanager.com ajax.googleapis.com stats.g.doubleclick.net; style-src 'self' fonts.googleapis.com; font-src 'self' fonts.gstatic.com fonts.googleapis.com
feature-policy	accelerometer 'none'; camera 'none'; gyroscope 'none'; magnetometer 'none'; microphone 'none'; payment 'none'; usb 'none'
permissions-policy	accelerometer=(), camera=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=()
cross-origin-embedder-policy	require-corp
cross-origin-opener-policy	same-origin
cross-origin-resource-policy	same-site
x-frame-options	SAMEORIGIN
x-xss-protection	1; mode=block
x-content-type-options	nosniff
referrer-policy	no-referrer-when-downgrade, strict-origin-when-cross-origin
x-permitted-cross-domain-policies	none
sec-gpc	1
accept-ranges	bytes
cache-control	max-age=0
expires	Mon, 29 Jul 2024 21:24:43 GMT
content-encoding	gzip
content-language	de
x-powered-by	PleskLin
statuscode	200
http_version	HTTP/2

External factors 83% achieved

Blacklists

(Nice to have)

This website is not classified "for adult only".

Blacklist

Backlinks

(Critically important)

This page has only a few links from other websites.

This page only has backlinks from 26 referring domains.

This page only has 77 backlinks.

This page only has few backlinks from 23 different ip addresses.

Backlinks

Facebook popularity

(Somewhat important)

The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# robots.txt for sierkbornemann.de

User-agent: EmailCollector # disallow collecting email adresses
Disallow: /

User-agent: * # all search engines
Disallow: /css
Disallow: /fonts
Disallow: /httpd_error
Disallow: /images
Disallow: /js
Disallow: /wp

Sitemap: https://sierkbornemann.de/sitemap.xml

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sierkbornemann.de

Sierk Bornemann – Web-Entwickler. Mac. Unix/Linux

sierkbornemann.de – Startseite :: Sierk Bornemann – Web-Entwickler. Mac. Unix/Linux.

Most important keywords

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

Keyword	Result	Recheck
Sierk	89%	Check
Sierk Bornemann	87%	Check
Bornemann	85%	Check
Sierk Bornemann Web-Entwickler	82%	Check
Linux	76%	Check
Web-Entwickler	73%	Check
Mac	73%	Check
Unix	72%	Check
Code	58%	Check
Netzwerken	43%	Check
Mitgliedschaft	43%	Check
Mitwirkung	43%	Check
Internet	42%	Check
gigantische	38%	Check
Datenautobahn	38%	Check
information	38%	Check
superhighway	38%	Check
Autobahn	38%	Check
Publikationen	38%	Check
Bücher	38%	Check
Journal-Beiträge	38%	Check

Show more keywords and terms

Sierkbornemann.de - SEO Checker

Task list of SEO Improvements 3 Tasks

Meta specifications 100% achieved

(Critically important)

(Critically important)

(Critically important)

(Important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

Meta tags

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Page quality 52% achieved

(Critically important)

(Critically important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

(Somewhat important)

Media list

Page structure 100% achieved

(Critically important)

(Important)

Heading structure

Link structure 88% achieved

(Important)

(Nice to have)

Found links on this page

Server configuration 91% achieved

(Critically important)

(Important)

(Somewhat important)

HTTP Response Header

External factors 83% achieved

(Nice to have)

(Critically important)

(Somewhat important)

Links from Wikipedia

Robots.txt

Similar sites

Search preview

Most important keywords

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