Laravel getting slow on big data how can I speed it up [closed]

I developed a website with Laravel 5.4. My registration count is 13 million and my site crashes from time to time. My site isletmemiz.com queries all companies very quickly, but when it starts to filter, it becomes very slow and the server is locked. what can I do. can you help me

source https://stackoverflow.com/questions/70266187/laravel-getting-slow-on-big-data-how-can-i-speed-it-up