What Is a Domain Registrar
What is a domain registrar? It sells domain names and manages them with each extension's registry. Learn its role and why ICANN accreditation matters.
Knowledgebase
Clear answers to common hosting questions, written by our editors.
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By Maarten Soetens
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JavaScript SEO
JavaScript SEO explains how search engines render pages built with JavaScript, why rendering can be delayed and how rendering choices affect what gets indexed.
By Maarten Soetens
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GPU Hosting
GPU hosting provides servers with graphics processors for AI, machine learning, rendering and parallel workloads. Learn the options and when they are worth it.
By Maarten Soetens
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Browser Caching
Browser caching keeps images, scripts and other static files on a visitor's device. Learn how it makes repeat visits faster and what limits it.
By Maarten Soetens
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What Is a Plugin?
What is a WordPress plugin? It adds features without changing the core software. Learn how plugins connect through hooks and why quality matters.
By Maarten Soetens
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Serverless GPU Hosting
Serverless GPU hosting runs AI inference on demand and bills per use. Learn how it works, what cold starts are and when it beats an always-on GPU server.
By Maarten Soetens
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OpenVZ vs KVM
OpenVZ vs KVM compares container-based and full virtualization for VPS buyers, covering shared kernels, isolation, resource guarantees and overselling.
By Maarten Soetens
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CDN Benefits and Drawbacks
Is a CDN worth it? It can speed up distant visits and cut origin load, but adds complexity and cache risks. See the trade-offs and which sites gain least.
By Maarten Soetens
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What Is IaaS?
What is IaaS? Learn how infrastructure as a service provides virtual servers, storage and networks on demand, what you still manage, and typical use cases.
By Maarten Soetens
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Reverse DNS and PTR
Reverse DNS maps an IP address back to a hostname using PTR records. Learn how the in-addr.arpa zone works and who controls the reverse record.
By Maarten Soetens
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Brute Force Attacks
A brute force attack tries large numbers of passwords automatically until one works. Learn how these attacks target CMS, control panel, SSH and FTP logins.
By Maarten Soetens
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Server Operating System
A server operating system runs always-on services by managing hardware, processes, networking and users. Learn how it differs from a desktop OS.
By Maarten Soetens