Rdocumentation.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
48% 
Page structure
79% 
Link structure
25% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.05 s
File size
74.80 kB
Words
76
Media files
0
Number of links
1 internal / 20 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home - RDocumentation
The length of the page title is perfect. (224 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Easily search the documentation for every version of every R package on CRAN and Bioconductor.
The length of the meta description is perfect. (610 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width
descriptionEasily search the documentation for every version of every R package on CRAN and Bioconductor.
next-head-count4
google-site-verificationl7VjaJvG_OgqxbCyZDDtk_ykMcPXyqwTSoWnf94hGQk
langen
charsetutf-8

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Page quality

Content
(Critically important)
There are only 76 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
27.6% of the text are stop words.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

No media files were found.

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 Rdocumentation
H2 Search from 29,209 R packages on CRAN and Bioconductor
H3 Explore learning paths with DataCamp
This page seems to be an entry page, because only very few links were found.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 20 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.rdocumentation.org/Rdocumentation
https://www.datacamp.com/External Subdomain powered by
https://github.com/datacamp/rd...New window External No Text
https://www.datacamp.com/categ...External Subdomain Learn R Programming
https://www.datacamp.com/track...External Subdomain R Fundamentals
https://www.datacamp.com/cours...External Subdomain Introduction to R
https://www.datacamp.com/track...External Subdomain Data Visualization with R
https://www.datacamp.com/cheat...External Subdomain R Basics Cheat Sheet
https://www.datacamp.com/tutor...External Subdomain Linear Regression in R
https://www.datacamp.com/tutor...External Subdomain Histograms in R
https://www.datacamp.com/track...External Subdomain Big Data with R
https://www.datacamp.com/cours...External Subdomain Practicing Interview Questions in R
https://www.datacamp.com/track...External Subdomain Data Manipulation with R
https://www.datacamp.com/tutor...External Subdomain Importing Data into R
https://www.datacamp.com/tutor...External Subdomain Principal Component Analysis in R
https://www.datacamp.com/tutor...External Subdomain Contingency Tables in R
https://www.datacamp.com/track...External Subdomain Machine Learning with R
https://www.datacamp.com/cours...External Subdomain Machine Learning in the Tidyverse
https://www.datacamp.com/track...External Subdomain Supervised Machine Learning in R
https://www.datacamp.com/tutor...External Subdomain Decision Trees in R
https://www.datacamp.com/track...External Subdomain Hierarchical Clustering in R

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.rdocumentation.org/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.05 seconds.
The file size of the HTML document is fine (75 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=utf-8
x-powered-byNext.js
cache-controlprivate, no-cache, no-store, max-age=0, must-revalidate
etag"6qni88cf0r1n2v"
content-encodinggzip
dateSat, 19 Oct 2024 10:25:11 GMT
x-envoy-upstream-service-time427
serveristio-envoy
x-kong-upstream-latency429
x-kong-proxy-latency2
viakong/2.6.1, 1.1 81cb77eb84eee291ebbd90b4c274c1c4.cloudfront.net (CloudFront)
varyAccept-Encoding
x-cacheHit from cloudfront
x-amz-cf-popFRA60-P6
x-amz-cf-idK8jhRJVGB7S6TyOO6SDUxyUVnSGmbrJ9GVhEMn46LI_kwZ_P5bvD4A==
age25624
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 3,902 referring domains.
This page has 91,173 backlinks.
This page has backlinks from 2,606 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

user-agent: *
disallow: /search # ignore search results page

Similar sites

Search preview

www.rdocumentation.org
Home - RDocumentation
Easily search the documentation for every version of every R package on CRAN and Bioconductor.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Rdocumentation62%Check
Search50%Check
CRAN50%Check
Bioconductor50%Check
learning38%Check
Data38%Check
packages38%Check
Explore38%Check
paths38%Check
DataCamp38%Check
Show more keywords and terms

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