Why is there no image in the search results, although it is present in the microdata?

Question

Search Engine Optimization

Why is there no image in the search results, although it is present in the microdata? The pictures are unique, with alt and title spelled out, the markup is valid and checked by the google service - no errors. Weeks 2-3 as pages are indexed.

Answer 1

Micromarking makes it clear to search engines what is on your site, but it does not guarantee that the site will be displayed differently in the search results.
Search engines display your site at their discretion. This is their territory and they didn’t even promise anywhere that if you mark up a picture, they will display it 100% in the search.
A lot of data can be marked up on one page. Breadcrumbs, headers, main menu, site creation date in the footer, page creation and editing dates, product (picture, price, name, description, availability), product seller (any names, contacts, addresses, social networks), product reviews ( rating, title, text, data), data about each reviewer (name, contacts, etc.)... and that's not all that can be marked up on one page. Well, as search engines will not display all this in the search results.
At their own discretion, depending on the request and even personally (depending on the user sitting at the computer, his place of residence, habits, etc.), they can display different information in the snippet. Either the prices will be shown, then the rating, then the picture, then the seller’s logo, then a combination of several data ...