Reactable tables and SEO — Is there a need for CSVW JSON+LD?

[ixodid198]

R and Reactable are great for creating powerful, beautiful tables for the web. However, because of their added complexity, I wonder how "friendly" they are to search engines like Google versus a simpler, plain HTML approach.

My understanding from reading about tabular datasets here is that Google recommends the addition of a "hidden" table in CSVW JSON-LD format that has the core elements of the visible table but with added metadata to help Google understand what the table is about.

So if I had a csv file of savings accounts like this:

"Financial Institution","Rate","Insured By"
Saven Financial,1.55,FSRA
Neo Financial,1.55,CDIC

Google would like the same HTML page to include the same information but in CSVW JSON-LD format:

Rmarkdown

<script type="application/ld+json">  
{
  "@context": "http://schema.org",
  "@type": "Dataset",
  "name":"Canadian High-Interest Savings Accounts",
  "description": "Up-to-date and unbiased table of rates of high-interest savings accounts from Canadian banks and credit unions along with their insurer.",
  "publisher": {
    "@type": "Organization",
    "name": "Company X"
  },
  "mainEntity" : {
    "@type" : "csvw:Table",
    "csvw:tableSchema": {
      "csvw:columns": [
        {
          "csvw:name": "Financial Institution",
          "csvw:datatype": "string",
          "csvw:cells": [
            {
              "csvw:value": "Saven Financial",
              "csvw:primaryKey": "Saven Financial"
            },
            {
              "csvw:value": "Neo Financial",
              "csvw:primaryKey": "Neo Financial"
            }]
        },
        {
          "csvw:name": "Rate",
          "csvw:datatype": "string",
          "csvw:cells": [
            {
              "csvw:value": "1.55",
              "csvw:primaryKey": "Saven Financial"
            },
            {
              "csvw:value": "1.55",
              "csvw:primaryKey": "Neo Financial"
            }]
        },
        {
          "csvw:name": "Insured By",
          "csvw:datatype": "string",
          "csvw:cells": [
            {
              "csvw:value": "FSRA",
              "csvw:primaryKey": "Saven Financial"
            },
            {
              "csvw:value": "CDIC",
              "csvw:primaryKey": "Neo Financial"
            }]
        }]
    }
  }
}
</script>

Do you think a separate CSVW JSON-LD formatted table is needed along with the fancy Reactable table? And if so, how does one go about creating a CSVW JSON-LD formatted table in R?