If your website is a brochure, a portfolio, or a blog, you almost certainly don't need a database and a server running behind it. A static site is simpler on every axis that matters.
What "static" means
Every page is built once, ahead of time, into plain HTML and served from a global CDN. There's no server executing code when a visitor arrives — just files.
The three big wins
1. Security
There's no database to breach, no login to brute-force, and no server-side code to exploit. The attack surface is close to zero.
2. Reliability
Static files on a CDN don't crash under traffic and don't go down when a database hiccups. This blog you're reading is static.
3. Cost & speed
No servers to pay for, and pages load almost instantly because they're served from an edge location near the visitor.
The trade-off
You give up real-time, per-request server logic — but for a company site, you rarely need it. Content changes go through a quick rebuild instead of a live database write.
For most businesses, that's a trade worth making every time.