The "ping" attribute is available to all sites and many content blocking extensions (including ad blockers) block these pings. This isn't changing with Manifest V3: extensions will still be able to block them.
Note that on Firefox and other browsers that do not support "ping", Google Search still tracks which links you click on, but it uses URL rewriting. There are also extensions that block this.
Note that on Firefox and other browsers that do not support "ping", Google Search still tracks which links you click on, but it uses URL rewriting. There are also extensions that block this.