Techniques to facilitate operation of a centralized trust authority for web application components are disclosed herein. In at least one implementation, a plurality of web resources used to construct web applications is received. Over a secure application programming interface (API), component registration information associated with each of the plurality of web resources is received, provided by producers of the web resources. The plurality of web resources is analyzed to determine unique identities and security attributes for each of the web resources. A plurality of security risk factors is identified for each of the plurality of web resources based on the component registration information and the security attributes determined for each of the web resources. A security profile is generated for each of the plurality of web resources based on the security risk factors identified for each of the web resources.