Website review bookdown.org
Home | Bookdown
Generated on March 05 2026 07:20 AM
Old data? UPDATE !
The score is 61/100
SEO Content
Title
Home | Bookdown
Length : 15
Perfect, your title contains between 10 and 70 characters.
Description
Length : 0
Very bad. We haven't found meta description on your page. Use this free online meta tags generator to create description.
Keywords
Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| image | https://bookdown.org/yihui/bookdown/images/logo.png |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 23 | 23 | 0 | 0 | 0 | 0 |
- [H1] BOOKDOWN
- [H1] R Graphics Cookbook, 2nd edition
- [H1] R Markdown Cookbook
- [H1] blogdown: Creating Websites with R Markdown
- [H1] bookdown: Authoring Books and Technical Documents with R Markdown
- [H1] Statistical Inference via Data Science
- [H1] Geocomputation with R
- [H1] Text Mining with R
- [H1] R Markdown: The Definitive Guide
- [H1] R Programming for Data Science
- [H1] Efficient R programming
- [H1] Beyond Multiple Linear Regression
- [H1] Advanced R
- [H1] Data Science at the Command Line, 2e
- [H1] Data Science Live Book
- [H1] Data Visualization
- [H1] Engineering Production-Grade Shiny Apps
- [H1] Forecasting: Principles and Practice (2nd ed)
- [H1] Fundamentals of Data Visualization
- [H1] Hands-On Programming with R
- [H1] Introduction to Data Science
- [H1] R for Data Science
- [H1] R Packages (2e)
- [H2] Write HTML, PDF, ePub, and Kindle books with R Markdown
- [H2] by Winston Chang
- [H2] by Yihui Xie, Christophe Dervieux, Emily Riederer
- [H2] by Yihui Xie, Amber Thomas, Alison Presmanes Hill
- [H2] by Yihui Xie
- [H2] by Chester Ismay and Albert Y. Kim
- [H2] by Robin Lovelace, Jakub Nowosad, Jannes Muenchow
- [H2] by Julia Silge and David Robinson
- [H2] by Yihui Xie, J. J. Allaire, Garrett Grolemund
- [H2] by Roger D. Peng
- [H2] by Colin Gillespie, Robin Lovelace
- [H2] by Paul Roback and Julie Legler
- [H2] by Hadley Wickham
- [H2] by Jeroen Janssens
- [H2] by Pablo Casas
- [H2] by Kieran Healy
- [H2] by Colin Fay, Sébastien Rochette, Vincent Guyader, Cervan Girard
- [H2] by otexts.com
- [H2] by Claus O. Wilke
- [H2] by Garrett Grolemund
- [H2] by Rafael A. Irizarry
- [H2] by Hadley Wickham and Garrett Grolemund
- [H2] by Hadley Wickham and Jennifer Bryan
Images
We found 24 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 48%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 48 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Home | Internal | Passing Juice |
| About | Internal | Passing Juice |
| Documentation | Internal | Passing Juice |
| Books | Internal | Passing Juice |
| Tags | Internal | Passing Juice |
| Authors | Internal | Passing Juice |
| Contest | Internal | Passing Juice |
| See the announcement blog post → | External | Passing Juice |
| open-source R package | External | Passing Juice |
| online book | Internal | Passing Juice |
| R Graphics Cookbook, 2nd edition | External | Passing Juice |
| Star | External | Passing Juice |
| R Markdown Cookbook | Internal | Passing Juice |
| Star | External | Passing Juice |
| blogdown: Creating Websites with R Markdown | Internal | Passing Juice |
| Star | External | Passing Juice |
| Statistical Inference via Data Science | External | Passing Juice |
| Star | External | Passing Juice |
| Geocomputation with R | External | Passing Juice |
| Star | External | Passing Juice |
| Text Mining with R | External | Passing Juice |
| Star | External | Passing Juice |
| R Markdown: The Definitive Guide | Internal | Passing Juice |
| Star | External | Passing Juice |
| R Programming for Data Science | Internal | Passing Juice |
| Star | External | Passing Juice |
| Efficient R programming | External | Passing Juice |
| Star | External | Passing Juice |
| Beyond Multiple Linear Regression | Internal | Passing Juice |
| Star | External | Passing Juice |
| Advanced R | External | Passing Juice |
| Star | External | Passing Juice |
| Data Science at the Command Line, 2e | External | Passing Juice |
| Star | External | Passing Juice |
| Data Science Live Book | External | Passing Juice |
| Star | External | Passing Juice |
| Data Visualization | External | Passing Juice |
| Engineering Production-Grade Shiny Apps | External | Passing Juice |
| Star | External | Passing Juice |
| Forecasting: Principles and Practice (2nd ed) | External | Passing Juice |
| Fundamentals of Data Visualization | External | Passing Juice |
| Star | External | Passing Juice |
| Hands-On Programming with R | External | Passing Juice |
| Star | External | Passing Juice |
| Introduction to Data Science | External | Passing Juice |
| R for Data Science | External | Passing Juice |
| R Packages (2e) | External | Passing Juice |
| RStudio, PBC | External | Passing Juice |
SEO Keywords
Keywords Cloud
how markdown learn more book programming read science data star
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| data | 50 |  |
|
|
 |
| book | 38 | |
|
|
|
| more | 25 | |
|
|
|
| read | 23 | |
|
|
|
| how | 22 | |
|
|
|
Usability
Url
Domain : bookdown.org
Length : 12
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
|
Too bad, your website is using inline styles. |
|
Great, your website has few CSS files. |
|
Perfect, your website has few JavaScript files. |
|
Too bad, your website does not take advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
|
Meta Viewport Tag |
|
Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://bookdown.org/sitemap.xml |
Robots.txt
https://bookdown.org/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.