Opensourcejahrbuch.de - SEO Checker

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Overview of the SEO Check
Meta information
82% 
Page quality
36% 
Page structure
70% 
Link structure
97% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.02 s
File size
6.50 kB
Words
89
Media files
9
Number of links
17 internal / 5 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Open Source Jahrbuch
The length of the page title is perfect. (208 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Open Source Jahrbuch 2006
The meta description is too short. (177 pixels out of 1000 max pixel length) Optimize description
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: de
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)
The domain name is very long.
The domain is no subdomain.
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 4.01 Transitional 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
descriptionOpen Source Jahrbuch 2006
authorInformatik und Gesellschaft, TU Berlin
keywordsOpen Source Jahrbuch, Buch, Literatur, Artikel, IG, Informatik und Gesellschaft, TU Berlin
robotsindex, follow
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
There are only 89 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.
Only 2 paragraph/s was/were found on this page.
39.3% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 13.25 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 6 tags for this page.
Image SEO
(Somewhat important)
3 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)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
/img/osjb_logo2.pngOpensource Jahrbuch
/img/delimiter.jpgNo alt attribute provided
/img/cover_2004_klein/index.htmlOpen Source Jahrbuch 2004
/img/cover_2005_klein/index.htmlOpen Source Jahrbuch 2005
/img/cover_2006_klein/index.htmlOpen Source Jahrbuch 2006
/img/cover_2007_klein/index.htmlOpen Source Jahrbuch 2007
/img/osjb08_cover_klein.jpgOpen Source Jahrbuch 2008
/img/logo_ig_klein.gifNo alt attribute provided
/img/lehmanns.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
Willkommen beim Open Source Jahrbuch
The H1 heading contains the words Willkommen bei! Use important keywords instead.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Willkommen beim Open Source Jahrbuch
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 5 external links on this page.

Found links on this page

LinkAttributesAnchor text
/index.htmlIMG-ALT Opensource Jahrbuch
/index.htmlHome
/index.htmlText duplicate Home
/project/index.htmlProjekt
/download/index.htmlDownload
/contact/index.htmlKontakt
/download/jb2004/index.htmlIMG-ALT Open Source Jahrbuch 2004
A-TITLE Open Source Jahrbuch 2004
/download/jb2005/index.htmlIMG-ALT Open Source Jahrbuch 2005
A-TITLE Open Source Jahrbuch 2005
/download/jb2006/index.htmlIMG-ALT Open Source Jahrbuch 2006
A-TITLE Open Source Jahrbuch 2006
/download/jb2007/index.htmlIMG-ALT Open Source Jahrbuch 2007
A-TITLE Open Source Jahrbuch 2007
/download/jb2008/index.htmlIMG-ALT Open Source Jahrbuch 2008
A-TITLE Open Source Jahrbuch 2008
/index.htmlText duplicate Home
/contact/imprint/index.htmlImpressum
/contact/dataprotection/index....Datenschutz
/project/editors/index.htmlHerausgeber
/project/credits/index.htmlCredits
/contact/index.htmlText duplicate Kontakt
http://www.ig.cs.tu-berlin.de/External Subdomain Informatik und Gesellschaft
http://www.tu-berlin.de/External Subdomain TU Berlin
http://www.lob.de/cgi-bin/work...External Subdomain Lehmanns Media
http://www.ig.cs.tu-berlin.de/External Subdomain No Text
http://www.lob.de/cgi-bin/work...External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
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 (7 kB).

HTTP Response Header

NameValue
x-bp-nsa-reqid(null) n.12UID=918
x-content-type-optionsnosniff
last-modifiedSun, 30 Aug 2015 21:46:09 GMT
etag"19e8-51e8e3ea8ea40-gzip"
accept-rangesbytes
varyAccept-Encoding
content-encodinggzip
content-length2018
content-typetext/html
dateSun, 11 May 2025 10:22:52 GMT
serverApache
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 112 referring domains.
This page has 1,071 backlinks.
This page has backlinks from 102 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

www.opensourcejahrbuch.de
Open Source Jahrbuch
Open Source Jahrbuch 2006

Most important keywords

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

KeywordResultRecheck
Open87%Check
Source87%Check
Jahrbuch87%Check
Open Source87%Check
Source Jahrbuch87%Check
Open Source Jahrbuch86%Check
Willkommen50%Check
opensourcejahrbuch46%Check
Lehmanns36%Check
Berlin34%Check
Show more keywords and terms

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