SEO report of debianbook.info

The Debian System — debiansystem.info

www.debianbook.info/

Instead of the regular user's handbook, The Debian System deals exclusively with Debian GNU/Linux and does not cover general topics, such as Linux ...

   

 Tasks

  • Make the site mobile device friendly.
  • Select one version of your site as main and make a redirect from other versions to that one.
  • Avoid using deprecated HTML tags.
  • Implement the viewport meta tag.

 SEO

URL

Domain : www.debianbook.info/

Character length : 20

Title
The Debian System — debiansystem.info
Description
Instead of the regular user's handbook, The Debian System deals exclusively with Debian GNU/Linux and does not cover general topics, such as Linux basics, servers, or desktop environments. Rather, it details the internals of the Debian operating system and provides the reader with all the information needed to successfully administer Debian multi-user systems for years on end. The book is a must-read for the professional user of the Debian system, and an indispensable resource to the migrating Linux/Unix administrator and existing Debian user alike.
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
Open Graph Protocol

Error! The website does not use the OG (Open Graph) protocol.

Dublin Core
Dublin Core is in use
Underscores in the URLs
Error! Hyphen (-) is a better solution than underscore (_) in the URLs
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
There is robots.txt file.
https://debianbook.info/robots.txt
User-agentDisallowed for the search engines
*
  • /portal_memberdata


 Social

Social Engagement

No info found.

 Content

Doctype
XHTML 1.0 Transitional
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
The Debian System — debiansystem.info

Character length : 59

Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 14%

Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
H1H2H3H4H5H6
100060
Heading structure in the source code
  • <H5> Sections
  • <H5> Personal tools
  • <H1> The Debian System
  • <H5> Document Actions
  • <H5> Feedback
  • <H5> News
  • <H5> Latest delta
Word cloud
  • debian12
  • book8
  • system7
  • site6
  • list6
  • text4
  • questions3
  • information3
  • announcements3
  • want3
  • translation2
  • released2
  • feed2
  • available2
  • web2
  • krafft2
  • martin2
  • techniques2
  • concepts2
  • wrong2
  • author2
  • only2
  • press2
  • operating2
  • books2
  • frequently2
  • changes2
  • valid2
  • errata2
  • readers2
  • asked2
  • availability2
  • user2
  • book's2
  • link2
Keyword matrix
wordtitledescriptionsheading
debian
book
system
site
list
text
Two Word cloud
  • translation released2
  • you may2
  • debian system2
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 20 images on this web page.

Alternate attributes for the following 12 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

 Readability

Flesch–Kincaid Grade Level
4.50
Flesch Reading Ease
73.50
Coleman Liau Index
10.30
Automated Readability Index (ARI)
2.40
Dale–Chall Readability
6.00
SMOG Index
8.90
Spache Readibility
5.00
Number of letters
2383
Number of words
537
Number of sentences
92
Average words per sentences
6
Number of syllables
809
Syllables in words
790
Average syllables in words
1.51
Number of words in first three syllables
91
Percentage of word / syllables
16.95
Words not in Dale-Chall easy-word list
195
Words not in Spache easy-word list
169

 Technologies

Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 773px wide display!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Error! The web address is accessible with and without www!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Good! The website uses printer-friendly CSS.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.

 Speed test

Server response time
The server response time is fast enough.
Loading time
1,062 ms
Table layout
Good! No nested tables found.
Render blocking resources
Good! No render blocking elements found!

 Speed test – Javascript

Javascript
Good! Just a few javascript files are detected on the website.
  • http://www.debianbook.info/debiansystem_utils.js
  • http://www.debianbook.info/plone_javascript_variables.js
  • http://www.debianbook.info/plone_javascripts.js
File size of all javascript files combined
0.00
Javascript minifying
Great! The Javascript files are minified.

 Speed test – CSS

CSS
Error! Too many CSS files detected that slows down the page load.
  • http://www.debianbook.info/ploneNS4.css
  • http://www.debianbook.info/ploneTextSmall.css
  • http://www.debianbook.info/ploneTextLarge.css
  • http://www.debianbook.info/plonePrint.css
  • http://www.debianbook.info/plonePresentation.css
File size of all css files combined
0.00
CSS minifying
Great! The CSS elements are minified.

 Speed test – Compression

Uncompressed size of the of the HTML
0.00
Gzip compression
Your site uses compression.

 Speed test – Browser cache

Browser cache
The browser cache is set correctly for all elements.

 Speed test – Images

File size of all images combined
0.00
Image optimisation
All images are optimized.

 Links

We found a total of 45 different links.
Internal links: 37
External links: 8

External links:

Link text (anchor) Link strength
Open Source Press
No Starch Press
book's announcement mailing list
http://plone.org
Section 508
WAI-AAA
Valid XHTML
Valid CSS and tableless layout

Internal links:

Link text (anchor) Link strength
Skip to content.
The Debian System -- Concepts and Techniques
http://www.debianbook.info/updates/RSS
Main
About
Voices
Availability
Readers
Log in
Join
http://www.debianbook.info/index_html/sendto_form
frequently asked questions
about the book
quotes about the book
book's availability
readers' discussion forum
errata
changes to the Debian operating system
list of other books on Debian
feed
feed
available banners
More...
Website back online
No edition planned for etch
French translation released
Japanese translation released
DPL election debate tonight
More...
Faulty way of spawning sshd in single-user mode
Default-Release setting in wrong namespace
Wrong argument to apt-cdrom
Deborphan may need to be run iteratively
MIRROR variable incomplete
http://www.debianbook.info/readers/delta/RSS
disclaimer
Site map

 Website security

IP
77.109.139.85
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Warning! The website contains at least one unencrypted email address.

 Sites on same ip

debianbook.info

debianbook.info

debian-book.info

debian-book.info

debian-system.info

debian-system.info

 Icons

Favicon
Good! The website uses favicon.

 Order of Heading elements on mobile by position

  • H5 : Sections, ( 264.578125px from top )
  • H5 : Personal tools, ( 290.609375px from top )
  • H1 : The Debian System, ( 330.78125px from top )
  • H5 : Feedback, ( 332.6875px from top )
  • H5 : News, ( 332.6875px from top )
  • H5 : Document Actions, ( 348.28125px from top )
  • H5 : Latest delta, ( 733.09375px from top )

 Typos

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