PHP Workers and Speed
PHP workers are the processes that build dynamic pages. Learn why requests queue when every worker is busy and how this slows or breaks a website.
Knowledgebase
Clear answers to common hosting questions, written by our editors.
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By Maarten Soetens
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Infrastructure as Code (IaC)
Infrastructure as code (IaC) defines servers, networks and storage in version-controlled files. Learn how it works, declarative vs imperative styles and drift.
By Maarten Soetens
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Model Quantization
Model quantization explained: lowering numeric precision shrinks AI models and cuts memory use, at some cost in output quality. Learn the trade-offs.
By Maarten Soetens
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What Is npm?
What is npm? It is the default package manager for Node.js. Learn how it installs packages and what package.json, package-lock.json and node_modules are for.
By Maarten Soetens
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CPU Steal Time
CPU steal time is the time a VPS waits for the host's physical processor. Learn what causes steal time, what high values mean and how to read them.
By Maarten Soetens
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How Carts Remember Items
How do shopping carts work across visits? Learn how sessions, cookies and database-saved carts remember items, and why cart pages cannot be cached.
By Maarten Soetens
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Lossy vs Lossless
Lossy vs lossless compression explained: how each method shrinks images, what quality settings do, and which suits photos, logos or graphics.
By Maarten Soetens
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What Is a Package Manager?
What is a package manager? It installs and tracks the libraries a project depends on. Learn how lock files and registries work, with npm, Composer and pip.
By Maarten Soetens
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What Is a REST API?
What is a REST API? Learn the principles of REST and RESTful architecture, including resources, statelessness and caching, and how they shape web APIs.
By Maarten Soetens
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Web Server vs App Server
Web server vs application server: a web server handles HTTP requests and serves files, while an application server runs code. Learn how they work together.
By Maarten Soetens
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KVM vs VMware
KVM vs VMware compares an open-source Linux hypervisor with a proprietary platform. See how licensing, management tools and typical deployments differ.
By Maarten Soetens
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What Is UTF-8?
UTF-8 is the character encoding that lets websites store and display text in almost any language. Learn why text gets garbled and where encoding must match.
By Maarten Soetens