OpenSceneGraph Books
www.osgbooks.com/
Error! The "meta description" is missing, the page has no summary description!
- Select one version of your site as main and make a redirect from other versions to that one.
- Avoid using deprecated HTML tags.
URL
Domain : www.osgbooks.com/
Character length : 17
Title
OpenSceneGraph Books
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
- http://www.osgbooks.com/books/osg_refman22.html ("The OpenSceneGraph Reference Manual, v2.2")
- http://www.osgbooks.com/books/osg_refman20.html
- http://www.osgbooks.com/books/osg_qs.html ("The OpenSceneGraph Quick Start Guide")
- http://www.osgbooks.com/books/osg_refman20.html ("The OpenSceneGraph Reference Manual, v2.0")
- http://www.osgbooks.com/books/osg_refman12.html ("The OpenSceneGraph Reference Manual, v1.2")
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
The robots.txt file is missing!
Social Engagement
No info found.
Doctype
XHTML 1.0 Strict
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
OpenSceneGraph Books
Character length : 20
Good! The title’s length is between 10 and 70 characters.
Character length : 20
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 15%
Acceptable! The text / code ratio is between 15 and 25 percent.
Acceptable! The text / code ratio is between 15 and 25 percent.
Headings
H1 | H2 | H3 | H4 | H5 | H6 |
---|---|---|---|---|---|
1 | 2 | 1 | 3 | 0 | 0 |
Heading structure in the source code
- <H1> OpenSceneGraph Books
- <H2> Site Navigation[Skip]
- <H3> Sidebar[Skip]
- <H4> New!
- <H4> OpenSceneGraph
- <H4> Your Hosts
- <H2> OpenSceneGraph Books
Word cloud
- openscenegraph17
- books7
- reference5
- osg4
- manual4
- training4
- source4
- support3
- software3
- titles3
- blue3
- newt3
- coming2
- section2
- selection2
- commercial2
- site2
- offer2
- opengl2
- complete2
- interested2
- skip2
Keyword matrix
word | title | descriptions | heading |
---|---|---|---|
openscenegraph | |||
books | |||
reference | |||
osg | |||
manual | |||
training |
Two Word cloud
- reference manual4
- source openscenegraph3
- osg training2
- openscenegraph books2
- openscenegraph openscenegraph2
- blue newt2
Three Word cloud
- commercial openscenegraph support2
404 Page
The website has no standard 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.
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
6.90
Flesch Reading Ease
53.80
Coleman Liau Index
12.00
Automated Readability Index (ARI)
6.20
Dale–Chall Readability
7.10
SMOG Index
9.20
Spache Readibility
5.00
Number of letters
1171
Number of words
218
Number of sentences
46
Average words per sentences
5
Number of syllables
382
Syllables in words
385
Average syllables in words
1.75
Number of words in first three syllables
49
Percentage of word / syllables
22.48
Words not in Dale-Chall easy-word list
95
Words not in Spache easy-word list
57
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.
Table layout
Good! No nested tables found.
Number of HTTP resources
11
Number of source domains
3
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking css files
List of render blocking css files
- http://www.osgbooks.com/_Resources/sandvox.css
- http://www.osgbooks.com/sandvox_Serengeti/main.css
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
22.46KB
Javascript minifying
You can save 975B (15% compression) on the analysed URL by minifying the javascript files.
CSS
Good! Just a few CSS files are used on this website.
File size of all css files combined
8.24KB
CSS minifying
You can save 945B (34% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.osgbooks.com/sandvox_Serengeti/main.css you can save 781B (34% compression rate)
- By minifying http://www.osgbooks.com/_Resources/sandvox.css you can save 164B (34% compression rate)
Uncompressed size of the of the HTML
10.44KB
Gzip compression
Your site uses compression.
Number of static resources (image, JS, CSS)
9
Browser cache
The browser cache is not set correctly for all elements.
URL | Duration |
---|---|
http://www.lulu.com/.. /promo_1669182.jpg | Expiry time is not specified |
http://www.osgbooks.com/_Media/bluehost.png | Expiry time is not specified |
http://www.osgbooks.com/_Media/osg256-4-2.png | Expiry time is not specified |
http://www.osgbooks.com/_Resources/sandvox.css | Expiry time is not specified |
http://www.osgbooks.com/sandvox_Serengeti/DefaultHeader.jpeg | Expiry time is not specified |
http://www.osgbooks.com/sandvox_Serengeti/background.jpg | Expiry time is not specified |
http://www.osgbooks.com/sandvox_Serengeti/main.css | Expiry time is not specified |
http://www.osgbooks.com/sandvox_Serengeti/sidebarbackground.gif | Expiry time is not specified |
File size of all images combined
110.39KB
Image optimisation
You can save 32KB (40% compression) by optimising the images below:
- By lossless compressing the http://www.osgbooks.com/sandvox_Serengeti/DefaultHeader.jpeg you can save 26.8KB (38%) data.
- By lossless compressing the http://www.lulu.com/.. /promo_1669182.jpg you can save 3.7KB (54%) data.
- By lossless compressing the http://www.osgbooks.com/_Media/bluehost.png you can save 1.6KB (48%) data.
We found a total of 24 different links.
Internal links: 17
External links: 7
Internal links: 17
External links: 7
External links:
Internal links:
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.
Favicon
Good! The website uses favicon.
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