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89
100
calibre - E-book management
calibre: The one stop solution for all your e-book needs. Comprehensive e-book software.
https://calibre-ebook.com/
0 high issues
0.0%
4 medium issues
12.1%
4 low issues
12.1%
25 tests passed
75.8%
0.08 seconds
9.27 kB
11 resources
Secure
Seo
Title
The title tag is perfect.
calibre - E-book management
Meta description
The meta description tag is good.
calibre: The one stop solution for all your e-book needs. Comprehensive e-book software.
Headings
The headings are properly set.
  1. Calibre E-Book Management
  1. Thank you!
  2. Choose the language you want
Content keywords
The content has relevant keywords.
calibreebookmanagement
Image keywords
All images have alt attributes set.
SEO friendly URL
The URL is SEO friendly.
https://calibre-ebook.com/
404 page
The website has 404 error pages.
https://calibre-ebook.com/404-9bc8a53d5bbbb5b42696a1de5adee773
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Language
The webpage has the language declared.
en
Favicon
The webpage has a favicon.
https://calibre-ebook.com/favicon.png
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.08 seconds.
Page size
The size of the HTML webpage is 9,271.00.
HTTP requests
There are fewer than 11 HTTP requests on the webpage.
  1. https://calibre-ebook.com/resources/js/jquery.tools.min.js
  2. https://www.googletagmanager.com/gtag/js?id=G-YMW4X5CSKP
  3. https://www.paypalobjects.com/api/checkout.min.js
  1. https://calibre-ebook.com/resources/styles/yui.css
  2. https://calibre-ebook.com/resources/styles/base.css
  1. https://calibre-ebook.com/resources/img/home-feature.jpg
  2. https://calibre-ebook.com/resources/img/home-tag.png
  3. https://calibre-ebook.com/resources/img/spinner.gif
  1. https://download.calibre-ebook.com/videos/grand-tour.mp4
  2. https://download.calibre-ebook.com/videos/grand-tour.webm
  3. https://download.calibre-ebook.com/videos/grand-tour.flv
Image format
There are 3 images that are not using the AVIF, WebP format.
  1. https://calibre-ebook.com/resources/img/home-feature.jpg
  2. https://calibre-ebook.com/resources/img/home-tag.png
  3. https://calibre-ebook.com/resources/img/spinner.gif
JavaScript defer
The are 3 javascript resources without the defer attribute.
  1. https://calibre-ebook.com/resources/js/jquery.tools.min.js
  2. https://www.googletagmanager.com/gtag/js?id=G-YMW4X5CSKP
  3. https://www.paypalobjects.com/api/checkout.min.js
DOM size
The DOM size is optimal.
The HTML file has 148 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://calibre-ebook.com/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
nginx
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage does not contain any plaintext emails.
Miscellaneous
Structured data
There are no structured data tags on the webpage.
Meta viewport
The meta viewport tag is missing or is empty.
Character set
The webpage has a charset value set.
utf-8
Sitemap
No sitemaps found.
Social
The webpage does not contain any social links.
Content length
The webpage has 1,010 words.
Text to HTML ratio
The text to HTML ratio is 31%.
Inline CSS
The webpage contains inline CSS code.
  1. cursor:pointer; border:none
  2. display:none
  3. margin-top:2ex;
  4. display: none
  5. display:none
  6. color:red
  7. display: flex; justify-content: space-between; margin-bottom: 1ex
Deprecated HTML
There are no deprecated HTML tags on the webpage.