> As the website author, you can see which extensions the client browser is running, no? No, not really. Not unless it specifies certain `web_accessible_resour

> As the website author, you can see which extensions the client browser is running, no? No, not really. Not unless it specifies certain `web_accessible_resources` which you try to load - but that's a bit of a hack, needs to be done on an extension-by-extension basis, and won't even work for all extensions.