Google is testing a clock/timer type of icon on the sitelinks within Google Search. That icon apparently is designed to communicate that you previously visited that page from Google Search.
This was spotted by Mordy Oberstein on Twitter who wrote “Seeing Google showing an icon next to sitelinks indicating you already viewed that specific page.” Here is one of his screenshots:
Here are more:
— Mordy Oberstein 🇺🇦 (@MordyOberstein) October 7, 2022
Forum discussion at Twitter.
Note: This was pre-written and scheduled to be posted today, I am currently offline for Succos.