Website with high traffic, how can I prevent that kill the server?

I have a WordPress website with lots of traffic that spikes during the day (a few hours each time). It could kill the server, how can I do something about it? The site is dynamic and cannot cache everything (or maybe I can? I don’t know).



This site will teach you how to build a WordPress website for beginners. We will cover everything from installing WordPress to adding pages, posts, and images to your site. You will learn how to customize your site with themes and plugins, as well as how to market your site online.

Buy WordPress Transfer