The zomato website gives timeouts over HTTP/1, but connects fine over HTTP/2
$ curl https://www.zomato.com -I && curl https://www.zomato.com -I --http1.0 --connect-timeout 1 --max-time 1
HTTP/2 403
server: AkamaiGHost
mime-version: 1.0
content-type: text/html
content-length: 264
expires: Tue, 26 Dec 2017 04:02:17 GMT
cache-control: max-age=0, no-cache, no-store
pragma: no-cache
date: Tue, 26 Dec 2017 04:02:17 GMT
vary: Accept-Encoding, User-Agent
strict-transport-security: max-age=31536000
curl: (28) Operation timed out after 1001 milliseconds with 0 bytes received