calibre - E-book management
www.calibre-ebook.com/
calibre: The one stop solution for all your e-book needs. Comprehensive e-book software.
- 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.
URL
Domain : www.calibre-ebook.com/
Character length : 22
Title
calibre - E-book management
Description
calibre: The one stop solution for all your e-book needs. Comprehensive e-book software.
Keywords (meta keywords)
e-book,ebook,library,calibre,software,news,digital text,free,open source
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
The robots.txt file is missing!
Social Engagement
Linkedin669
Facebook Share0
Facebook Comments0
Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
calibre - E-book management
Character length : 27
Good! The title’s length is between 10 and 70 characters.
Character length : 27
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 4%
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 |
---|---|---|---|---|---|
1 | 1 | 0 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> Calibre E-Book Management
- <H2> Thank you!
Word cloud
- calibre6
- get3
- pay2
- new2
- involved2
- e-book2
- demo2
- download2
Keyword matrix
word | title | descriptions | heading |
---|---|---|---|
calibre | |||
get | |||
pay | |||
new | |||
involved | |||
e-book |
Two Word cloud
- calibre demo2
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 4 images on this web page.
Good! Every image has an alternative text attributes set on this website.
Good! Every image has an alternative text attributes set on this website.
Flesch–Kincaid Grade Level
4.80
Flesch Reading Ease
77.80
Coleman Liau Index
9.00
Automated Readability Index (ARI)
3.30
Dale–Chall Readability
8.50
SMOG Index
9.50
Spache Readibility
5.00
Number of letters
2404
Number of words
570
Number of sentences
59
Average words per sentences
10
Number of syllables
803
Syllables in words
738
Average syllables in words
1.41
Number of words in first three syllables
71
Percentage of word / syllables
12.46
Words not in Dale-Chall easy-word list
291
Words not in Spache easy-word list
97
Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 992px 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
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.
Server response time
The server response time is fast enough.
Loading time
1,133 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
29
Number of source domains
8
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- https://calibre-ebook.com/resources/js/jquery.tools.min.js
- https://calibre-ebook.com/resources/flowplayer/flowplayer.min.js
- https://calibre-ebook.com/resources/styles/yui.css
- https://calibre-ebook.com/resources/styles/base.css
- https://calibre-ebook.com/resources/flowplayer/skin/minimalist.css
Javascript
Good! Just a few javascript files are detected on the website.
- http://www.calibre-ebook.com/resources/js/jquery.tools.min.js
- http://www.calibre-ebook.com/resources/js/navbar.js
- http://www.calibre-ebook.com/resources/flowplayer/flowplayer.min.js
File size of all javascript files combined
1.41MB
Javascript minifying
You can save 6.1KB (19% compression) on the analysed URL by minifying the javascript files.
CSS
Good! Just a few CSS files are used on this website.
- http://www.calibre-ebook.com/resources/styles/yui.css
- http://www.calibre-ebook.com/resources/styles/base.css
- http://www.calibre-ebook.com/resources/flowplayer/skin/minimalist.css
File size of all css files combined
31.29KB
CSS minifying
You can save 278B (13% compression) on the analysed URL by minifying the CSS files.
- By minifying https://calibre-ebook.com/resources/styles/base.css you can save 152B (11% compression rate)
- By minifying https://calibre-ebook.com/resources/styles/yui.css you can save 126B (15% compression rate)
Uncompressed size of the of the HTML
92.83KB
Gzip compression
Your site uses compression.
Number of static resources (image, JS, CSS)
20
Browser cache
The browser cache is not set correctly for all elements.
URL | Duration |
---|---|
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js | 60 minutes |
https://www.google-analytics.com/analytics.js | 2 hours |
File size of all images combined
77.58KB
Image optimisation
You can save 164B (44% compression) by optimising the images below:
- By lossless compressing the https://calibre-ebook.com/resources/img/bg.png you can save 164B (44%) data.
We found a total of 13 different links.
Internal links: 11
External links: 2
Internal links: 11
External links: 2
External links:
Link text (anchor) | Link strength |
---|---|
Get DRM free ebooks | |
Design by Centresource Interactive Agency |
Internal links:
Link text (anchor) | Link strength |
---|---|
Calibre E-Book Management | |
About Calibre | |
Demo | |
Download | |
Help | |
What's New | |
Get Involved | |
Bugs | |
Download Calibre | |
Feed of new releases | |
Pay with bitcoins instead |
IP
166.78.105.155
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.
Favicon
Good! The website uses favicon.
- H2 : html5: Unsupported video format. Try installing Adobe Flash., ( 0px from top )
- H2 : Thank you!, ( 0px from top )
- H1 : Calibre E-Book Management, ( 24px from top )
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