Do refactoring and optimization on the site, Laravel

It is necessary to determine the location of the site: what spams requests, what takes a long time to load, etc. The goal is to find the most important points that most affect the speed of the site in order to increase the speed of viewing the version and get a margin for scaling further. A rough understanding of the problem that comes from the customer to the extension you have.
You can look in the paragraphs, including performance, which statistically supports the whole load, where there are more problems
Draw up a plan of tasks for revision with an assessment (taking into account risks), providing that each of them pulls for revision for itself
https://krokus.dev2tech.ru/
In person ladies access, you will need an estimate in hours. Please indicate the cost of your hour when you respond