SEO report of cookbook-r.com
Cookbook for R
www.cookbook-r.com/
This site is powered by knitr and Jekyll. If you find any errors, please email winston@stdout.org
Tasks
- Avoid using deprecated HTML tags.
SEO
URL
Domain : www.cookbook-r.com/
Character length : 19
Title
Cookbook for R
Description
This site is powered by knitr and Jekyll. If you find any errors, please email winston@stdout.org
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.cookbook-r.com/Data_input_and_output ("Data input and output")
- http://www.cookbook-r.com/Manipulating_data ("Manipulating data")
- http://www.cookbook-r.com/Statistical_analysis ("Statistical analysis")
- http://www.cookbook-r.com/Scripts_and_functions ("Scripts and functions")
- http://www.cookbook-r.com/Tools_for_experiments ("Tools for experiments")
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
Linkedin30
Facebook Share0
Facebook Comments0
Content
Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
Error! No language localization is found.
Title
Cookbook for R
Character length : 14
Good! The title’s length is between 10 and 70 characters.
Character length : 14
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 | 1 | 0 | 0 | 0 | 0 |
Heading structure in the source code
- <H1>
- <H2> Cookbook for R
Word cloud
- data5
- cookbook5
- site3
- amazon2
- code2
- into2
- license2
- under2
- graphs2
- book2
- available2
- covers2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| data | |||
| cookbook | |||
| site | |||
| amazon | |||
| code | |||
| into |
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 1 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
This website is optimal for mobile devices!
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
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
1,329 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.
- http://www.cookbook-r.com/lib/highlight/highlight.pack.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.cookbook-r.com/css/main.css
- http://www.cookbook-r.com/lib/highlight/cookbookr.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 19 different links.
Internal links: 11
External links: 8
Internal links: 11
External links: 8
External links:
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| Cookbook for R | |
| Basics | |
| Numbers | |
| Strings | |
| Formulas | |
| Data input and output | |
| Manipulating data | |
| Statistical analysis | |
| Graphs | |
| Scripts and functions | |
| Tools for experiments |
Website security
IP
54.192.55.101
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
Error! No favicon is found. Using favicon helps to build a better brand quicker.
Order of Heading elements on mobile by position
- H1 : , ( 116px from top )
- H2 : Cookbook for R, ( 1122px from top )
Typos
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