Ghost spiders and zombie avatars of the Metaverse

You know about spiders for the Web. When VR sites are added to the Metaverse, their owners will want search engines to spider them. The Metaverse is essentially a VR site plus avatars. Users wear avatars while in the sites. A spider can have an avatar, perhaps a 3d cartoon spider? An alternative is where the spider does not use an avatar. A ghost spider. Whether a room will permit visitors who do not have an avatar depends on the site. But the site will want to be searched, so that it ends up in Web statistics.