SEO report of isbn-information.com

ISBN Information

isbn-information.com/

ISBN Information. History of and information about the ISBN system, including the new 13 character ISBN. How ISBNs work and how they are distributed.

   

 Tasks

  • Select one version of your site as main and make a redirect from other versions to that one.
  • Avoid using deprecated HTML tags.

 SEO

URL

Domain : isbn-information.com/

Character length : 21

Title
ISBN Information
Description
ISBN Information. History of and information about the ISBN system, including the new 13 character ISBN. How ISBNs work and how they are distributed.
Keywords (meta keywords)
isbn, international standard book number

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.

 Social

Social Engagement

No info found.

 Content

Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
ISBN Information

Character length : 16

Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 40%

Good! The text / code ratio is between 25 and 70 percent.
Headings
H1H2H3H4H5H6
106300
Heading structure in the source code
  • <H1> ISBN Information
  • <H4> ISBN means International Standard Book Number. ISBNs give a unique identifier to every edition of a book published (and also to many book-like products, including e-books). A publisher will assign a different ISBN to the paperback edition of a particular book than to the similar hardback edition.
  • <H3> History of International Standard Book Numbering
  • <H3> The 10-digit ISBN
  • <H3> The 13-digit ISBN
  • <H3> Administration of the ISBN System
  • <H3> How to Obtain ISBN numbers
  • <H3> ISBN Barcodes
  • <H4> Site Pages
  • <H4> Admin Pages
Word cloud
  • isbn53
  • system13
  • number13
  • isbns10
  • barcode9
  • international8
  • how8
  • page7
  • see7
  • book7
  • used7
  • ean6
  • media6
  • information6
  • range5
  • get5
  • publication5
  • need5
  • standard5
  • music4
  • authority4
  • numbers4
  • publications4
  • products4
  • article4
  • history4
  • pages3
  • single3
  • printed3
  • based3
  • national3
  • books3
  • text3
  • edition3
  • work3
  • including3
  • numbering3
  • administration3
  • particular3
  • management2
  • wide2
  • include2
  • world2
  • both2
  • novel2
  • periodicals2
  • software2
  • component2
  • site2
  • found2
  • means2
  • electronic2
  • e-book2
  • types2
  • bibliographic2
  • all2
  • regional2
  • policy2
  • stripes2
  • anatomy2
Keyword matrix
wordtitledescriptionsheading
isbn
system
number
isbns
barcode
international
Two Word cloud
  • used for5
  • isbn number5
  • isbn barcode5
  • national isbn3
  • isbn system3
  • international standard3
Three Word cloud
  • isbn system page2
  • isbns are used2
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 1 images on this web page.

Good! Every image has an alternative text attributes set on this website.

 Readability

Flesch–Kincaid Grade Level
10.50
Flesch Reading Ease
51.00
Coleman Liau Index
12.00
Automated Readability Index (ARI)
9.70
Dale–Chall Readability
6.90
SMOG Index
12.00
Spache Readibility
5.00
Number of letters
4302
Number of words
902
Number of sentences
52
Average words per sentences
17
Number of syllables
1474
Syllables in words
1435
Average syllables in words
1.63
Number of words in first three syllables
159
Percentage of word / syllables
17.63
Words not in Dale-Chall easy-word list
347
Words not in Spache easy-word list
195

 Technologies

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
Suggestion! Unfortunately, no printer-friendly CSS found.
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.
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.
  • https://isbn-information.com/js/cookiechoices.js
  • https://isbn-information.com/js/offcanvas.js
File size of all javascript files combined
0.00
Javascript minifying
Great! The Javascript files are minified.

 Speed test – CSS

CSS
Good! Just a few CSS files are used on this website.
  • https://www.isbn-information.com/css/bootstrap.min.css
  • https://www.isbn-information.com/css/custom.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 33 different links.
Internal links: 31
External links: 2

External links:

Link text (anchor) Link strength
click here to visit our sister site UPC EAN Information
http://statcounter.com/shopify

Internal links:

Link text (anchor) Link strength
e-books
list of ISBN agencies
History of the ISBN System page
Anatomy of a 10-digit ISBN page
Anatomy of a 13-digit ISBN page
International Article Number page
Administration of the ISBN system page
buying ISBNs and self publishing
Get a Single ISBN
ISBN barcode page
ISBN Information Home
How To Get An ISBN Number
Cost of ISBN Numbers
E-books And ISBN Numbers
Does An E-book Need A Different ISBN?
The Difference Between An ISBN And A Barcode
Is It Safe To Buy An ISBN From Someone Else?
Where To Get Cheap ISBN Numbers
Does an Author Need an ISBN Number?
The 10-digit ISBN
The 13-digit ISBN
Check Digit For The 13-Digit ISBN
Convert ISBN10 To ISBN13
ISBN Barcode
ISBN History
The EAN System
ISBN Administration
ISBN Agencies
Privacy Policy
Sitemap
Cookie Policy

 Website security

IP
213.168.251.14
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.

 Icons

Favicon
Good! The website uses favicon.

 Typos

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