“You can learn a lot about a site when you monitor its network connections when you connect your browser to it.“You may see connections to third-party sites, ads, web analytics scripts and a lot more just from that.“A common practice is to use popular JavaScript libraries or frameworks like jQuery or Ember. Sites may load locally hosted versions of those, or versions hosted by public content deliver networks (CDN) such as those by Google, Microsoft or Cloudflare.“These resources are often essential for a site’s functionality, and blocking them may break part or all of a site.“There are two concerns that…