SEO report of vallisbook.org

Geoffrey K. Vallis: Atmospheric and Oceanic Fluid Dynamics ...

www.vallisbook.org/

Error! The "meta description" is missing, the page has no summary description!


 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.vallisbook.org/

Character length : 19

Title
Geoffrey K. Vallis: Atmospheric and Oceanic Fluid Dynamics - Fundamentals and Large-Scale Circulation
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 not used
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
The robots.txt file is missing!

 Social

Social Engagement

No info found.

 Content

Doctype
XHTML 1.0 Strict
Encoding
Perfect! The character encoding is set: ISO-8859-1.
Language
Error! No language localization is found.
Title
Geoffrey K. Vallis: Atmospheric and Oceanic Fluid Dynamics - Fundamentals and Large-Scale Circulation

Character length : 101

Improve! The website address (title) should be between 10 and 70 characters in length.
Text / HTML ratio
Ratio : 28%

Good! The text / code ratio is between 25 and 70 percent.
Headings
H1H2H3H4H5H6
100000
Heading structure in the source code
  • <H1> Home
Word cloud
  • book4
  • circulation3
  • atmospheric3
  • vallis3
  • general3
  • theory3
  • oceanic3
  • university3
  • fluid3
  • dynamics3
  • geoffrey2
  • stratification2
  • press2
  • cambridge2
  • reference2
  • home2
  • including2
  • turbulence2
  • buy2
  • browse2
  • material2
  • new2
Keyword matrix
wordtitledescriptionsheading
book
circulation
atmospheric
vallis
general
theory
Two Word cloud
  • university press2
Three Word cloud
  • oceanic fluid dynamics3
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 3 images on this web page.

Alternate attributes for the following 3 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

 Technologies

Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 782px 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.

 Speed test

Server response time
The server response time is fast enough.
Loading time
1,313 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
8
Number of source domains
3
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking css files
  • http://www.vallisbook.org/layout/vallisbook.css

 Speed test – Javascript

Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
28.65KB
Javascript minifying
Great! The Javascript files are minified.

 Speed test – CSS

CSS
Good! Just a few CSS files are used on this website.
  • http://www.vallisbook.org/layout/vallisbook.css
File size of all css files combined
3.53KB
CSS minifying
You can save 661B (51% compression) on the analysed URL by minifying the CSS files.

 Speed test – Compression

Uncompressed size of the of the HTML
5.13KB
Gzip compression
Your site uses compression.

 Speed test – Browser cache

Number of static resources (image, JS, CSS)
5
Browser cache
The browser cache is not set correctly for all elements.
URLDuration
http://www.vallisbook.org/cover_small.jpgExpiry time is not specified
http://www.vallisbook.org/layout/name.jpgExpiry time is not specified
http://www.vallisbook.org/layout/title.jpgExpiry time is not specified
http://www.vallisbook.org/layout/vallisbook.cssExpiry time is not specified

 Speed test – Images

File size of all images combined
74.51KB
Image optimisation
You can save 30.5KB (42% compression) by optimising the images below:

 Website security

IP
69.43.195.71
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

thebookofross.com

thebookofross.com

girardeducationfoundation.com

girardeducationfoundation.com

vallisbook.org

vallisbook.org

 Icons

Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.

 Order of Heading elements on mobile by position

  • H1 : Home, ( 146px from top )

 Typos

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