Proxy for the none asynchronous http server, such as php server, then log the slow response and error to somewhere.
npm install phpx
start to listen:
const phpx = require('phpx')
phpx('http://127.0.0.1:9000').listen(8000)
the http://127.0.0.1:9000 is a http server to be watched.
and you can visit the http://127.0.0.1:8000 to see the result.
npm test
MIT