From the NordicCDN blog
Performance, caching, security and the craft of running a fast website or webshop.
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.
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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.
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What is a CDN, and do you actually need one?
CDN gets thrown around like everyone already knows what it means. Here is the plain-English version — what it does, how it works, and an honest answer to whether your site needs one.
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Why faster sites convert more — and rank higher
Speed isn't a vanity metric for engineers to fuss over. Every fraction of a second you shave off load time shows up in your conversion rate, your bounce rate and your search rankings. Here is the data — and what to do about it.
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