A favicon is a small image that is displayed in a snippet in the Yandex search results, next to the site address in the browser address bar, next to the site name in favorites, or in the browser bookmarks.
Favicon example: . Favicon example in search results:
Size: 120 × 120 (recommended), 16 × 16, or 32 × 32 pixels.
Format: SVG (recommended), ICO, GIF, JPEG, PNG, BMP.
Tip. To make your site logo clearer and more noticeable on Yandex services, make your favicon 120 × 120 pixels or use SVG format.
How to change or delete a favicon
To change the favicon in the search results, update the favicon on your site. To delete a favicon from a search, delete its file from the site.
The changes take effect within two weeks after the robot crawls the site again.