SEO report of macopenglbook.com
OpenGL Programming on Mac OS X
www.macopenglbook.com/
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.
SEO
URL
Domain : www.macopenglbook.com/
Character length : 22
Title
OpenGL Programming on Mac OS X
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
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
Social Engagement
No info found.
Content
Doctype
XHTML 1.0 Strict
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
OpenGL Programming on Mac OS X
Character length : 30
Good! The title’s length is between 10 and 70 characters.
Character length : 30
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 10%
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 | 1 | 1 | 0 | 0 |
Heading structure in the source code
- <H1> OpenGL Programming on Mac OS X
- <H2> Site Navigation[Skip]
- <H3> Sidebar[Skip]
- <H4> Buy the Book!
Word cloud
- book6
- code3
- errata2
- opengl2
- contents2
- skip2
- site2
- mac2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| book | |||
| code | |||
| errata | |||
| opengl | |||
| contents | |||
| skip |
404 Page
The website has no standard 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Error! The website uses iFrame solutions. This type of contents are not indexed by Google.
Images
We found 2 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.
Readability
Flesch–Kincaid Grade Level
3.70
Flesch Reading Ease
77.70
Coleman Liau Index
10.70
Automated Readability Index (ARI)
2.40
Dale–Chall Readability
6.20
SMOG Index
8.50
Spache Readibility
3.90
Number of letters
428
Number of words
95
Number of sentences
18
Average words per sentences
5
Number of syllables
139
Syllables in words
141
Average syllables in words
1.46
Number of words in first three syllables
15
Percentage of word / syllables
15.79
Words not in Dale-Chall easy-word list
36
Words not in Spache easy-word list
32
Technologies
Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 768px 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
2,536 ms
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.
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.
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 11 different links.
Internal links: 10
External links: 1
Internal links: 10
External links: 1
External links:
| Link text (anchor) | Link strength |
|---|---|
| http://www.bluehost.com/track/bobkuehne/openglbook |
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| [Skip] | |
| Authors | |
| Contents | |
| Code | |
| Errata | |
| Contact | |
| [Skip] | |
| table of contents | |
| here | |
| [Back To Top] |
Website security
IP
74.220.219.54
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
Icons
Favicon
Good! The website uses favicon.
Order of Heading elements on mobile by position
- H2 : Site Navigation[Skip], ( 0px from top )
- H3 : Sidebar[Skip], ( 0px from top )
- H1 : OpenGL Programming on Mac OS X, ( 44.078125px from top )
- H4 : Buy the Book!, ( 323.90625px from top )
Typos
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