SEO report of onlinestatbook.com
Free Statistics Book
www.onlinestatbook.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.
- Implement the viewport meta tag.
- Use "H" tags.
SEO
URL
Domain : www.onlinestatbook.com/
Character length : 23
Title
Free Statistics Book
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.onlinestatbook.com/version_1.html ("OnlineStatBook")
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
There is robots.txt file.
https://onlinestatbook.com/robots.txt
https://onlinestatbook.com/robots.txt
| User-agent | Disallowed for the search engines |
|---|---|
| * |
Social
Social Engagement
Linkedin10
Facebook Share0
Facebook Comments0
Content
Doctype
HTML 4.01 Strict
Encoding
Perfect! The character encoding is set: UTF-8.
Language
Error! No language localization is found.
Title
Free Statistics Book
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 : 29%
Good! The text / code ratio is between 25 and 70 percent.
Good! The text / code ratio is between 25 and 70 percent.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 |
No "H" tags found
Heading structure in the source code
Word cloud
- university7
- statistics7
- rice5
- version5
- interactive4
- site4
- resource3
- david3
- lane3
- multimedia3
- online3
- onlinestatbook3
- course3
- study3
- lab3
- education3
- original3
- please2
- work2
- science2
- appreciate2
- classic2
- all2
- been2
- virtual2
- studies2
- mobile2
- national2
- using2
- daniel2
- material2
- case2
- lake2
- tufts2
- simulations2
- developed2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| university | |||
| statistics | |||
| rice | |||
| version | |||
| interactive | |||
| site |
Two Word cloud
- online statistics3
- case studies2
- rice virtual2
- would appreciate2
- statistics education2
- multimedia course2
Three Word cloud
- online statistics education2
- multimedia course of study2
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 5 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
Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 970px 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
920 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
12
Number of source domains
4
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.onlinestatbook.com/mmstat.css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
24.17KB
Javascript minifying
You can save 975B (15% compression) on the analysed URL by minifying the javascript files.
Speed test – CSS
CSS
Good! Just a few CSS files are used on this website.
File size of all css files combined
5.04KB
CSS minifying
Great! The CSS elements are minified.
Speed test – Compression
Uncompressed size of the of the HTML
9.87KB
Gzip compression
Your site uses compression.
Speed test – Browser cache
Number of static resources (image, JS, CSS)
9
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.onlinestatbook.com/aim.jpg | Expiry time is not specified |
| http://www.onlinestatbook.com/billboard.png | Expiry time is not specified |
| http://www.onlinestatbook.com/classics2007.gif | Expiry time is not specified |
| http://www.onlinestatbook.com/mmstat.css | Expiry time is not specified |
| http://www.onlinestatbook.com/nsf_logo.gif | Expiry time is not specified |
| http://www.onlinestatbook.com/rc.bighotspot.gif | Expiry time is not specified |
Speed test – Images
File size of all images combined
75.53KB
Image optimisation
You can save 8.7KB (76% compression) by optimising the images below:
- By lossless compressing the http://www.onlinestatbook.com/aim.jpg you can save 8.7KB (76%) data.
Traffic
Alexa
32771
Main traffic sources
Links
We found a total of 10 different links.
Internal links: 4
External links: 6
Internal links: 4
External links: 6
External links:
| Link text (anchor) | Link strength |
|---|---|
| http://aimath.org/textbooks/approved-textbooks | |
| Interactive e-book (for IOS and OS X) | |
| David Lane | |
| David M. Lane | |
| Merlot Classic Award | |
| Hot Spot for the month |
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| Web Version (2.0) | |
| Mobile | |
| OnlineStatBook | |
| Rice Virtual Lab in Statistics |
Website security
IP
208.113.186.203
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
Error! No favicon is found. Using favicon helps to build a better brand quicker.
Typos
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