Linux Users and Groups
Linux users and groups explained: UIDs and GIDs, system vs regular accounts, file ownership and chown, and how web server accounts keep sites separate.
Knowledgebase
Clear answers to common hosting questions, written by our editors.
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By Maarten Soetens
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Staging Environment Explained
A staging environment is a copy of a live site used to test changes before release. Learn how development, staging and production environments differ.
By Maarten Soetens
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Rule-Based vs AI Chatbots
Rule-based vs AI chatbot: scripted decision trees compared with language models on flexibility, predictability, cost and maintenance for your website.
By Maarten Soetens
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What Is Webmail?
What is webmail? It is email you read and send in a browser. Compare it with desktop and mobile email clients and see how both reach one mailbox.
By Maarten Soetens
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Automatic vs Manual Backups
Automatic vs manual backup: scheduled backups run without anyone remembering, while manual ones give control before risky changes. Compare pros, cons and risks.
By Maarten Soetens
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3D Secure and SCA Explained
3D Secure is an authentication step for online card payments. Learn how strong customer authentication (SCA) works and how it affects checkout.
By Maarten Soetens
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Cart Abandonment Explained
Cart abandonment is when shoppers add items but leave before paying. Learn how the rate is measured and the technical and checkout causes behind it.
By Maarten Soetens
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Noisy Neighbor Problem
A noisy neighbor is another tenant on the same host whose workload slows your server. Learn how shared resources cause contention and how isolation helps.
By Maarten Soetens
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Cache Warming
Cache warming fills a cache before visitors arrive, so the first person does not wait for a slow miss. Learn how warming runs work and when they help.
By Maarten Soetens
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TCP/IP vs OSI Model
The OSI model is a seven-layer networking reference, while the TCP/IP model is the four-layer design of the internet. Learn where IP, TCP and HTTP fit.
By Maarten Soetens
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NS Record
An NS record names the authoritative DNS servers for a domain. Learn how NS records handle delegation at the parent zone and inside the zone itself.
By Maarten Soetens
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What Is IndexNow
IndexNow is a protocol that tells participating search engines when URLs change. Learn how it works, which engines support it and how it differs from sitemaps.
By Maarten Soetens