Increase structured knowledge or other features to your pages. Affirm that your markup is valid, and that Google has observed your structured information using the URL Inspection tool on your page. Полное руководство по работе со структурированными данными Search box form: provides a search box to rich snippets, a tool https://thebookmarkfree.com/story19541972/5-essential-elements-for-schema-all-in-one-schema-rich-snippets