RRT forces the user to test the AMP version of a page.At first, the RRT only validated Google-approved schema types.Initial responses to the Rich Results Test.What was the Structured Data Testing Tool?.To conclude, we’ll look at some of the alternative options should you find that the RRT doesn’t meet your needs. In this article, we’ll look at the differences between the SDTT and the RRT in greater depth and unpack some of the reasons why people were unhappy with the replacement tool. This enables users to check the syntax and compliance of markup with standards, but no longer checks a page’s eligibility for Google Search rich results (this can only be achieved using the RTT). In response to the feedback from the SEO community, Google decided to migrate the SDTT over to in April 2021 as the Schema Markup Validator. The main criticism was that the RRT only supported a small subset of Google-approved schemas, whereas the SDTT was capable of validating all schema types (more on this below). You might expect digital marketers to have been excited about the promise of a new tool, but the move was initially met with dismay by some members of the SEO community. NOTE: First published 27 July 2020, updated on 23 November 2022.

Since that time, the tool has been migrated and lives on as the Schema Markup Validator hosted on. The Rich Results Test (RRT) is the replacement for Google’s Structured Data Testing Tool (SDTT), which was deprecated in August 2020.

Rich snippets checker