Greylisting
Greylisting temporarily rejects mail from unknown senders to block spam. Learn why legitimate email is sometimes delayed, how it works and its trade-offs.
Clear answers to common hosting questions, written by our editors.
Greylisting temporarily rejects mail from unknown senders to block spam. Learn why legitimate email is sometimes delayed, how it works and its trade-offs.
By Maarten Soetens
Server-side rendering vs client-side rendering: SSR builds HTML on the server, while CSR builds it in the browser. Compare speed, SEO and hosting needs.
By Maarten Soetens
Vulnerability scanning uses automated tools to find outdated software, misconfigurations and known security flaws. Learn what scanners check and what they miss.
By Maarten Soetens
DNS load balancing spreads traffic across several servers by returning different addresses. Learn how round robin, GeoDNS and health checks work.
By Maarten Soetens
What is AWS? Learn how Amazon Web Services works, its core building blocks such as EC2, S3, RDS and Lambda, and what they mean for website owners.
By Maarten Soetens
An air-gapped backup is isolated from the production network so attackers cannot reach it. Learn how air gaps work and how they differ from immutable storage.
By Maarten Soetens
Hosting renewal prices are often higher than the first-year offer. Learn how introductory discounts work, how renewal rates are set and how to compare them.
By Maarten Soetens
The cPanel zone editor changes DNS records, but only where the hosting server is authoritative for the domain. Learn why some edits seem to do nothing.
By Maarten Soetens
Monthly vs yearly hosting compared: see how each billing cycle works, the trade-offs of prepaying, and how cancellations and refunds differ between them.
By Maarten Soetens
Bare metal vs virtual machine hosting compared: overhead, isolation, performance consistency, flexibility and scaling, and when each option suits a workload.
By Maarten Soetens
Brotli vs gzip compared on compression ratio, CPU cost, static versus on-the-fly use and browser support, to help you choose the right method.
By Maarten Soetens
Shared hosting for ecommerce can carry a small online store with light traffic. Learn the signs, such as checkout timeouts, that a shop has outgrown it.
By Maarten Soetens