Syncronized run of fetching fuctions

[jayam04]

Response time can be improved in multiplatform requests if we make request-functions run all at time.

[jayam04]

Above commit improves performanace.
Used Postman Performance Testing with 100 virtual users for 2 minutes.

Stats	wihout parallel requests	with parallel requests
Requests Processes	2490	3485
min Response Time	1280ms	2162ms
avg Response Time	3719ms	2394ms
90th Response Time	4213ms	2468ms
max Response Time	6678ms	3485ms
error rate	0.04%	0.00%
vercel execution usage	0.001GB-hr / user	0.0009GB-hr / user

---

But can we do better?