In the Google Merchant Center structured data documentation, it says that you should add structured data to the HTML source and that it "can't be generated after a page has been loaded using ...

14 months ago, Google updated its documentation around its shopping related structured data warning not to generate your structured data dynamically through JavaScript. Yesterday, at the Search ...

Many search engines rely on structured data to enhance user experiences – and this trend will likely intensify in 2025. For this reason, structured data is no longer a “nice-to-have” but an essential ...

Google recommends including Product markup in initial HTML for best results. JavaScript-generated markup can lead to less frequent and reliable crawls. E-commerce sites using JavaScript for product ...