SEO report of oceanopticsbook.info
Ocean Optics Web Book • A collaborative web-based book on ...
www.oceanopticsbook.info/
Ocean Optics Web Book is a collaborative web-based book on optical oceanography
Tasks
- Avoid using deprecated HTML tags.
- Implement the viewport meta tag.
SEO
URL
Domain : www.oceanopticsbook.info/
Character length : 25
Title
Ocean Optics Web Book • A collaborative web-based book on optical oceanography
Description
Ocean Optics Web Book is a collaborative web-based book on optical oceanography
Keywords (meta keywords)
oceanography, optical oceanography, ocean optics, ocean optics web book, web-based book, web textbook, web-based textbook
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://oceanopticsbook.info/robots.txt
https://oceanopticsbook.info/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
Error! No language localization is found.
Title
Ocean Optics Web Book • A collaborative web-based book on optical oceanography
Character length : 83
Improve! The website address (title) should be between 10 and 70 characters in length.
Character length : 83
Improve! The website address (title) should be between 10 and 70 characters in length.
Text / HTML ratio
Ratio : 11%
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 |
|---|---|---|---|---|---|
| 2 | 0 | 3 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> Ocean Optics Web Book
- <H3> Search:
- <H3> Contents
- <H1> Welcome to the Ocean Optics Web Book,
- <H3> Search results
Word cloud
- ocean6
- web6
- book4
- optics4
- site3
- version3
- all2
- resource2
- search2
- content2
- internet2
- explorer2
- contents2
- optical2
- community2
- oceanography2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| ocean | |||
| web | |||
| book | |||
| optics | |||
| site | |||
| version |
Two Word cloud
- web book4
- community resource2
- optical oceanography2
- optics web2
Three Word cloud
- ocean optics web2
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 10 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.
Technologies
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible only in one version. The version without www is redirected to the version with 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.
Table layout
Error! Avoid using nested tables!
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.oceanopticsbook.info/js/jquery.js
- http://www.oceanopticsbook.info/js/jquery.cookie.js
- http://www.oceanopticsbook.info/js/jquery.treeview.pack.js
- http://www.oceanopticsbook.info/js/jquery.treeview.async.js
- http://www.oceanopticsbook.info/js/anchorHighlight.js
- http://www.oceanopticsbook.info/js/base.js
- http://www.oceanopticsbook.info/js/ajaxSubmit.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.
- http://www.oceanopticsbook.info/css/base.css
- http://www.oceanopticsbook.info/css/jquery.treeview.css
- http://www.oceanopticsbook.info/css/print.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 12 different links.
Internal links: 7
External links: 5
Internal links: 7
External links: 5
External links:
Internal links:
Website security
IP
66.228.33.223
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
Warning! The website contains at least one unencrypted email address.
Sites on same ip
Icons
Favicon
Good! The website uses favicon.
Typos
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