It occurred because snippets (picture and explanatory text, rating, author, quick links) are revealed directly on the Google search page.

With its help, search engines tell users whether the found resource corresponds to the request.

Correct snippet display is an important moment of website optimization, which is still undervalued, but this is the first thing the user sees when notices the site in the search.

On the graph below it is shown, how high the CTR is, according to the site position in Google.

Of course, if you are not indifferent to the site traffic increase.

Google supports the output of stars in search results and it helps the user to make a decision whether the product is of good quality and if it is worth clicking on the link to learn more about the characteristics.

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