Domain Backorders and Drop Catching
A domain backorder asks a service to register a name as soon as it is released. Learn how drop catching works and why it is never guaranteed.
Knowledgebase
Clear answers to common hosting questions, written by our editors.
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By Maarten Soetens
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Erasure Coding Explained
Erasure coding splits data into fragments plus parity spread across nodes, so files survive lost pieces with less overhead than full copies. Learn how it works.
By Maarten Soetens
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WordPress User Roles
WordPress user roles control what each account can do. Learn the five built-in roles, what capabilities mean and why least privilege matters for teams.
By Maarten Soetens
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Catch-All Email Explained
Catch all email sends mail for any unmatched address on a domain to one inbox. Learn the benefits, why it attracts spam and how backscatter causes trouble.
By Maarten Soetens
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RPO vs RTO Explained
RPO vs RTO: the recovery point objective limits how much data you can lose, and the recovery time objective limits how long a site can be down.
By Maarten Soetens
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Namespaces and cgroups
cgroups limit how much CPU and memory a process group uses, while Linux namespaces control what it can see. Learn how together they build containers.
By Maarten Soetens
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AI Hallucinations Explained
AI hallucinations are confident but false answers from language models. Learn why they happen and what the risk means for chatbots and AI-written content.
By Maarten Soetens
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Gzip Compression
Gzip compression shrinks text files such as HTML, CSS and JavaScript before the server sends them. Learn how it works and which file types benefit.
By Maarten Soetens
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Docker Image vs Container
Docker image vs container: an image is a read-only template, a container is a running instance with a writable layer. Learn where data should live.
By Maarten Soetens
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What Is GraphQL?
What is GraphQL? Learn how its schema, queries, mutations and subscriptions let clients request exactly the data they need from a single API endpoint.
By Maarten Soetens
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Container Registry Explained
A container registry stores and distributes container images. Learn how repositories, tags and digests work and how public and private registries differ.
By Maarten Soetens
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PHP Errors Explained
PHP errors come in levels such as notices, warnings and fatal errors. Learn what each one means, why live sites hide them and where they should be logged.
By Maarten Soetens