How to use with R ?

This summer, I had the opportunity to test and, both tools are known and used to optimize your website(s).
In order to help people who do R and SEO, I created a first R package that allows you to easily manipulate their API.
I begin by introducing and the R open-source package created especially for the occasion :

If you prefer Python, Julien Deneuville created this version:

YourTextGuru is a service that provides Guides to help you write, compared to a query, with the avowed purpose of saving you time.

These Guides are generated using two algorithms :

  • Imitation of the processing made by a search engine
  • Retrieval of texts related to the subject and determination of the most important key expressions.

Get your token

You need to have access to the API, i.e. 100€/month at the time of writing this article.
Just go to this page to know your API key:

This key must be copied to the root of your project in a text file: ytg_configuration.txt


Install my R package

You must have Rstudio and be trained in the R basics. I invite you to write these lines in the R  console.


In order to initialize the package, you just have to use the following code, be careful the initAPI function will read your token in your text file “ytg_configuration.txt”
The getStatus function simply checks that the connection is correct.


status <- getStatus()

Create a Guide

If you want to create a Guide, it is very simple, you must specify your request, the language ( here: en_us, en_gb) and the Guide mode you want:
– The Premium Guide is designed to provide a list of all essential and important words related to a query.
– The Oneshot Guide is designed to provide a template for writing a text of approximately 300 words.

I put a loop which waits for the end of the process, it can take a few minutes.

guide <- createGuide("crossfit","en_us","premium")
guide_id <- guide$guide_id

while(getGuide(guide_id)=="error") {
	print("Your guide is currently being created.")

print("Your guide is ready")
guide.all <- getGuide(guide_id)

Get your scores for an URL

It’s very simple with the R package, you just have to give your URL and the Guide ID previously created.

url <- ""
scores <- checkGuide(guide_id, url)

You will get two scores:
– soseo : the general score of the submitted text in terms of optimization (100% corresponds to a text-optimized to the maximum of the normal range).
– dseo: the SEO risk score. This percentage can in some extreme cases exceed 100%.

How to get the main text

I tested several tricks to get directly the main text of the page. The best method is to use XPath with the following request.

//text()[not(ancestor::select)][not(ancestor::script)][not(ancestor::style)][not(ancestor::noscript)][not(ancestor::form)][string-length(.) > 10]

If you wish to go further on this subject, I invite you to read :

# download html
html <- getURL(url, followlocation = TRUE)
# parse html
doc = htmlParse(html, asText=TRUE)
plain.text <- xpathSApply(doc, "//text()[not(ancestor::select)][not(ancestor::script)][not(ancestor::style)][not(ancestor::noscript)][not(ancestor::form)][string-length(.) > 10]", xmlValue)
txt <- paste(plain.text, collapse = " ")

Get your scores for many URLs

I give you a method with Rvest to get the first 100 results on Google but there are thousands of methods.

query <- URLencode("crossfit france")
page <- paste("",query,"&start=0", sep = "")

webpage <- read_html(page)

googleTitle <- html_nodes(webpage, "h3 a")
googleTitleText <- html_text(googleTitle)

hrefgoogleTitleLink <- html_attr(googleTitle, "href")

googleTitleLink <- str_replace_all(hrefgoogleTitleLink, "/url\\?q=|&sa=(.*)","")

Now, what will be interesting is to get the scores for each URL.

DF <- data.frame(Title=googleTitleText, Link=googleTitleLink, score=0, danger = 0, stringsAsFactors = FALSE) %>%

for (i in 1:nrow(DF)) {
  link <- DF[i,]$Link

  scores <- checkGuide(guide_id,link)

  if (scores!="error") {
    DF[i,]$score  <- scores$score
    DF[i,]$danger <- scores$danger

  finally = Sys.sleep(60)

You will get a table with a score for each URL.


Here, I hope this will be useful for you to analyze your content and the content of competitors.

I think that if you need to create content, it is important to use a writing assistant like as it is designed for the needs of SEOs, writers and web marketers.

For the end of August, I am going to write the following article: How to use with R?

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