Jens.dorfmuller.de - SEO Checker

Overview of the SEO Check
Meta information
90% 
Page quality
62% 
Page structure
79% 
Link structure
86% 
Server
45% 
External factors
25% 
SEO Score
Response time
0.04 s
File size
5.20 kB
Words
343
Media files
4
Number of links
10 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Jens Dorfmüller - Homepage
The length of the page title is perfect. (261 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
My Homepage contains information about me, about my scientific work and some photo projects.
The length of the meta description is perfect. (596 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Server location: United States of America
The language is not specified in the HTML markup.
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
Content-Languageen
authorJens Dorfmüller
KeyWordsJens Dorfmüller, physics, pictures, homepage
DescriptionMy Homepage contains information about me, about my scientific work and some photo projects.
content-typetext/html; charset=UTF-8
Content-Style-Typetext/css

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Page quality

Content
(Critically important)
There are only 343 words on this page. Good pages should have about 800 words of useful content.
These Typos were found:
  • scientfic => scientific
  • becomming => becoming
37.3% 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.
10 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 17.72 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No 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 7 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)
The HTTPS protocol for secure data transmission is not used.

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 Talk at the rC3 2021 now/here
H2 Scientific Interest
H2 Education
H2 Other Interests
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
There are 1 links with a trivial anchor text.
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
There are 7 external links on this page.
LinkAttributesAnchor text
http://jens.dorfmuller.de/jens' homepage
/opticalantenna.en.htmlOptical Antennas
/publications.en.htmlPublications
/photos.en.phpPhotography
/links.en.htmlLinks
/imprint.en.phpImprint
/change_language.php?new_langu...IMG-ALT english
/change_language.php?new_langu...IMG-ALT german
/change_language.php?new_langu...IMG-ALT korean
https://events.ccc.de/category...External Subdomain rC3 2021 now/here
https://pretalx.c3voc.de/rc3-2...External Subdomain Do-It-Yourself Heizenergie-Optimierung mit einem Neuronalen Netzwerk
https://pretalx.c3voc.de/rc3-2...External Subdomain about:future / hacc München
/heizungsoptimierung_folien.pdfTrivial anchor text
here
https://media.ccc.de/v/7cde5c8...External Subdomain Text duplicate Trivial anchor text
here
http://www.fkf.mpg.de/kern/External Subdomain Max Planck Institute for Solid State Research
http://www.pi4.uni-stuttgart.de/External Subdomain 4th Physics Institute
http://dx.doi.org/10.1088/0034...External Subdomain doi:10.1088/0034-4885/75/2/024402

Server configuration

HTTP redirects
(Critically important)
This page redirects to "http://jens.dorfmuller.de/index.en.php"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
Performance
(Somewhat important)
The page response time is excellent with 0.04 seconds.
The file size of the HTML document is fine (5 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=UTF-8
dateTue, 24 Sep 2024 04:16:49 GMT
servernginx/1.27.1
x-powered-byPHP/8.3.11
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page has only a few links from other websites.
This page only has backlinks from 1 referring domains.
This page only has 1 backlinks.
This page only has few backlinks from 1 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.

Robots.txt

# robots.txt zu http://jens.xn--dorfmller-u9a.de/

# advertising-related bots:
User-agent: Mediapartners-Google*
Disallow: /

# Crawlers that are kind enough to obey, but which we'd rather not have
# unless they're feeding search engines.
User-agent: UbiCrawler
Disallow: /

User-agent: DOC
Disallow: /

User-agent: Zao
Disallow: /

# Some bots are known to be trouble, particularly those designed to copy
# entire sites. Please obey robots.txt.
User-agent: sitecheck.internetseer.com
Disallow: /

User-agent: Zealbot
Disallow: /

User-agent: MSIECrawler
Disallow: /

User-agent: SiteSnagger
Disallow: /

User-agent: WebStripper
Disallow: /

User-agent: WebCopier
Disallow: /

User-agent: Fetch
Disallow: /

User-agent: Offline Explorer
Disallow: /

User-agent: Teleport
Disallow: /

User-agent: TeleportPro
Disallow: /

User-agent: WebZIP
Disallow: /

User-agent: linko
Disallow: /

User-agent: HTTrack
Disallow: /

User-agent: Microsoft.URL.Control
Disallow: /

User-agent: Xenu
Disallow: /

User-agent: larbin
Disallow: /

User-agent: libwww
Disallow: /

User-agent: ZyBORG
Disallow: /

User-agent: Download Ninja
Disallow: /

#
# Sorry, wget in its recursive mode is a frequent problem.
# Please read the man page and use it properly; there is a
# --wait option you can use to set the delay between hits,
# for instance.
#
User-agent: wget
Disallow: /

#
# The 'grub' distributed client has been *very* poorly behaved.
#
User-agent: grub-client
Disallow: /

#
# Doesn't follow robots.txt anyway, but...
#
User-agent: k2spider
Disallow: /

#
# Hits many times per second, not acceptable
# http://www.nameprotect.com/botinfo.html
User-agent: NPBot
Disallow: /

# A capture bot, downloads gazillions of pages with no public benefit
# http://www.webreaper.net/
User-agent: WebReaper
Disallow: /

# Friendly, low-speed bots are welcome viewing my pages.
User-Agent: *
Allow: /best_2008/
Allow: /*.php$
Allow: /img/
Allow: /css/
Allow: /Best_of_2008/
Allow: /Best_of_2009/
Allow: /favicon.ico
Allow: /best_2008/
Allow: /best_2009/
Allow: /*.html$
Disallow: /img/*.png$
Disallow: /spam_check.php
Disallow: /companies.html$
Disallow: /bbq/
Disallow: /bodensee/
Disallow: /familienwochenende/
Disallow: /feuerwerk/
Disallow: /FunctionalWorkshop/
Disallow: /schruns/
Disallow: /SCoPE_Volleyball_2010/
Disallow: /silvester2009/
Disallow: /StuttgartNacht/
Disallow: /weinlagenwanderung/
Disallow: /zauchensee/

Search preview

jens.dorfmuller.de › index.en.php
Jens Dorfmüller - Homepage
My Homepage contains information about me, about my scientific work and some photo projects.

Most important keywords

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

KeywordResultRecheck
homepage58%Check
jens52%Check
scientific50%Check
Jens Dorfmüller49%Check
scientific work48%Check
work46%Check
information46%Check
Dorfmüller46%Check
contains46%Check
contains information46%Check

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