page1
User Agent
hello-world.example
example.com/hello
“Hello World!”
hello-world.example
(Load)
GET /hello
origin: http://hello-world.example
Access-Control-Allow-Origin: http://hello-world.example
Hello World!
The user agent evaluates whether the requesting origin is on the target resource's list of allowed origins. If so, it shares the response with the requesting client-side web app.
Target Resource
Web App