Help me with Decision about increasing Application speed

[Ilqar]

I checked performance optimization suggestions from forum

[Wiki] Performance optimization

This page addresses performance optimization. The list in this page is far from being complete, there may be some incorrect information and it’s likely to become stale and obsolete over time. Feel free to fix content, language or format, anything you don’t like and add anything missing. If there is something that you don’t understand, please create a new post and ask for clarification. Then, once the topic is clear, you can edit this page and improve it. Some points are inspired by forum post…

They do not influenced performance enough

My project is
5 data input Forms with server calls
Database with around 15 tables

In the Forms users can create and download MS World documents made by Python Docs and one making documents in PDF format and sending by email

Approximate number of users is maximum 200
Estimated 50-70