Implement server side rendering in laravel ( without any js framework)

My task is to improve lcp score (web vitals). Google is recomending that lcp score can be improve by server side rendering .My question is simple How can i do server side rendering in laravel. I am not using any js framework etc vue or react. My web site is totally based on laravel. Means Views are in blade template. Application is totally MVC based. Now i am confused in two things What is actually server side rendering in laravel ? And how can we do server side rendering in laravel. And if my question is wrong then plz clear my concept.`