SEO report of recommenderbook.net
Recommender Systems – Introduction and Handbook – Supporting ...
www.recommenderbook.net/
Supporting website for the text books 'Recommender Systems An Introduction', 'Persuasive Recommender Systems' and 'Recommender ...
Tasks
- 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.recommenderbook.net/
Character length : 24
Title
Recommender Systems – Introduction and Handbook – Supporting Website
Description
Supporting website for the text books 'Recommender Systems An Introduction', 'Persuasive Recommender Systems' and 'Recommender Systems Handbook
Keywords (meta keywords)
recommender system, recommender systems, introduction, book, Dietmar Jannach, Gerhard Friedrich, Markus Zanker, Alexander Felfernig, collaborative filtering, content based filtering, supporting websit
Error! Using “meta keywords” is meaningless in a while.
Error! Using “meta keywords” is meaningless in a while.
Open Graph Protocol
Error! The website does not use the OG (Open Graph) protocol.
Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found 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://recommenderbook.net/robots.txt
https://recommenderbook.net/robots.txt
| User-agent | Disallowed for the search engines |
|---|---|
| * |
|
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
Recommender Systems – Introduction and Handbook – Supporting Website
Character length : 68
Good! The title’s length is between 10 and 70 characters.
Character length : 68
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 9%
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
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
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 6 | 1 | 3 | 0 | 0 | 0 |
Heading structure in the source code
- <H1>
- <H2> Nav view search
- <H3> Navigation
- <H3> Search
- <H3> Main Menu
- <H1> Welcome to the Supporting Website for
- <H1> "Recommender Systems - An Introduction"
- <H1> "Recommender Systems Handbook"
- <H1> and
- <H1> "Persuasive Recommender Systems - Conceptual Background and Implications"
Word cloud
- recommender9
- systems9
- handbook3
- introduction3
- ordered3
- available3
- edition3
- persuasive3
- main2
- implications2
- search2
- background2
- conceptual2
- navigation2
- welcome2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| recommender | |||
| systems | |||
| handbook | |||
| introduction | |||
| ordered | |||
| available |
Two Word cloud
- recommender systems5
- introduction recommender2
- persuasive recommender2
Three Word cloud
- introduction recommender systems2
- persuasive recommender systems2
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 15 images on this web page.
Alternate attributes for the following 2 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 2 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
- http://www.recommenderbook.net/.. /springer_logo.png (1 occurrences)
Readability
Flesch–Kincaid Grade Level
11.40
Flesch Reading Ease
20.70
Coleman Liau Index
12.00
Automated Readability Index (ARI)
10.40
Dale–Chall Readability
9.40
SMOG Index
9.70
Spache Readibility
3.40
Number of letters
670
Number of words
106
Number of sentences
26
Average words per sentences
4
Number of syllables
228
Syllables in words
229
Average syllables in words
2.15
Number of words in first three syllables
33
Percentage of word / syllables
31.13
Words not in Dale-Chall easy-word list
62
Words not in Spache easy-word list
28
Technologies
Mobile optimization
This website is optimal for mobile devices!
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
735 ms
Table layout
Good! No nested tables found.
Render blocking resources
Good! No render blocking elements found!
Speed test – Javascript
Javascript
Error! Too many javascript files found which slows down the page load on the website.
- http://www.recommenderbook.net/media/jui/js/jquery.min.js?e544afc8d6b0a99c52ef26a0eb8edcc3
- http://www.recommenderbook.net/media/jui/js/jquery-noconflict.js?e544afc8d6b0a99c52ef26a0eb8edcc3
- http://www.recommenderbook.net/media/jui/js/jquery-migrate.min.js?e544afc8d6b0a99c52ef26a0eb8edcc3
- http://www.recommenderbook.net/media/system/js/caption.js?e544afc8d6b0a99c52ef26a0eb8edcc3
- http://www.recommenderbook.net/media/system/js/mootools-core.js?e544afc8d6b0a99c52ef26a0eb8edcc3
- http://www.recommenderbook.net/media/system/js/core.js?e544afc8d6b0a99c52ef26a0eb8edcc3
- http://www.recommenderbook.net/media/system/js/mootools-more.js?e544afc8d6b0a99c52ef26a0eb8edcc3
- http://www.recommenderbook.net/templates/beez_20/javascript/md_stylechanger.js
- http://www.recommenderbook.net/templates/beez_20/javascript/hide.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.recommenderbook.net/templates/system/css/system.css
- http://www.recommenderbook.net/templates/beez_20/css/position.css
- http://www.recommenderbook.net/templates/beez_20/css/layout.css
- http://www.recommenderbook.net/templates/beez_20/css/print.css
- http://www.recommenderbook.net/templates/beez_20/css/general.css
- http://www.recommenderbook.net/templates/beez_20/css/general_mozilla.css
- http://www.recommenderbook.net/templates/beez_20/css/personal.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.
Traffic
Alexa
10173544
Links
We found a total of 20 different links.
Internal links: 11
External links: 9
Internal links: 11
External links: 9
External links:
Internal links:
Website security
IP
143.205.174.183
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
Good! We have not found any unencrypted email addresses.
Sites on same ip
Icons
Favicon
Good! The website uses favicon.
Order of Heading elements on mobile by position
- H2 : Nav view search, ( -2000px from top )
- H3 : Navigation, ( -1990px from top )
- H3 : Search, ( -1990px from top )
- H1 : , ( 0px from top )
- H3 : Font size, ( 8px from top )
- H1 : Welcome to the Supporting Website for , ( 185px from top )
- H3 : Main Menu, ( 190px from top )
- H1 : "Recommender Systems - An Introduction" , ( 247px from top )
- H1 : "Recommender Systems Handbook", ( 309px from top )
- H1 : and , ( 371px from top )
- H1 : "Persuasive Recommender Systems - Conceptual Background and Implications", ( 412px from top )
Typos
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