Mads has worked in IT — mostly hosting — since he was 16. He took an early stake in a SaaS company and helped grow it through to its acquisition by Visma, has built and run data-center networks, and served as CTO of a Danish data center. He started NordicCDN to make fast, secure infrastructure simple to use.
Articles by Mads
DNS explained: how a domain name becomes a website
You type a name, a website appears. In between is DNS — the address book of the internet — doing a job most people never think about until it breaks. Here is how it works.
DDoS protection basics for small sites and shops
DDoS attacks aren’t just a problem for banks and game studios — small sites get caught in the blast radius all the time. Here is how they work and how to stay standing.
Brotli vs Gzip: which one should your server use?
Both shrink your text before it hits the wire, and both are basically free speed. Here is the honest comparison — which compresses harder, which is faster, and when to reach for each.
Black Friday readiness: making your shop survive the spike
Your shop runs fine for 364 days a year. Then Black Friday arrives, traffic goes 20x, and the wheels come off at the worst possible moment. Here is how to be ready.
Do you need cookie consent for a CDN? Privacy myths, busted
Privacy questions around CDNs attract a lot of confident, wrong answers. Does a CDN need a cookie banner? Does it track your users? Let us clear up a few myths.
What is anycast, and why it makes your CDN faster
Anycast is one of those bits of networking magic that quietly makes the modern web fast. Here is what it is, explained without the networking degree.
What is a WAF, and does your site really need one?
A web application firewall sounds like enterprise overkill until the day it quietly blocks the attack that would have ruined your week. Here is what a WAF does and who actually needs one.
Core Web Vitals in 2026: LCP, INP and CLS without the jargon
Three acronyms decide a chunk of how Google ranks you and how your site feels to use. Here is what LCP, INP and CLS really measure — and the changes that actually move them.
How to speed up a slow WordPress site (without a single plugin)
WordPress out of the box is slow for boring, fixable reasons. Here is how to make it genuinely fast — by moving the work to the edge instead of stacking yet more plugins on top.