README: Added more reasons the browsers trust first party

dist/README.md

@@ -14,8 +14,8 @@ However, to circumvent this block, tracker companies made the websites using the
 The latter is a DNS redirection to `website1.trackercompany.com`, directly to an IP address belonging to the tracking company.
 
 Those are called first-party trackers.
-On top of aforementionned privacy issues, they also cause some security issue, as websites are usually configured to trust first-party scripts.
-For more information, learn about [Cross-Origin Resource Sharing](https://enable-cors.org/).
+On top of aforementionned privacy issues, they also cause some security issue, as websites usually trust those scripts more.
+For more information, learn about [Content Security Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP), [same-origin policy](https://developer.mozilla.org/en-US/docs/Web/Security/Same-origin_policy) and [Cross-Origin Resource Sharing](https://enable-cors.org/).
 
 In order to block those trackers, ad blockers would need to block every subdomain pointing to anything under `trackercompany.com` or to their network.
 Unfortunately, most don't support those blocking methods as they are not DNS-aware, e.g. they only see `somestring.website1.com`.