Lighthouse Performance Score
Lighthouse performance score explained: how the 0 to 100 result is built from weighted metrics, why it changes between runs and why 100 is not the goal.
Knowledgebase
Clear answers to common hosting questions, written by our editors.
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By Maarten Soetens
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Meta Robots Tag Explained
The meta robots tag is an HTML element telling search engines how to index one page. Learn common values such as noindex, nofollow and max-snippet.
By Maarten Soetens
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Field Data vs Lab Data
Field data vs lab data explained: real visitor measurements compared with simulated speed tests, why the two often disagree and how to read both.
By Maarten Soetens
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Layer 4 vs Layer 7 Load Balancing
Layer 4 vs layer 7 load balancing differs in what the balancer can see. Compare how each routes traffic, its performance trade-offs and when to use each.
By Maarten Soetens
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What Is Cloud Computing?
What is cloud computing? A plain-English guide to on-demand servers, storage and software delivered over the internet, billed by use and scaled as needed.
By Maarten Soetens
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What Are Email Headers?
Email headers are the routing and authentication fields at the top of every message. Learn the main fields, what Received lines show and where they fall short.
By Maarten Soetens
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ZFS vs Btrfs
ZFS vs Btrfs compared on maturity, RAID support, licensing and memory needs. Both are copy-on-write file systems. Learn which suits a storage server or desktop.
By Maarten Soetens
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Self-Signed Certificates
A self-signed certificate is signed by its own key rather than a trusted authority. Learn why browsers warn on public sites and where it is acceptable.
By Maarten Soetens
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Load Balancing Algorithms
Load balancing algorithms decide which server handles each request. Compare round robin, weighted, least connections and IP hash, and see when each method fits.
By Maarten Soetens
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Cloudflare Proxied vs DNS Only
Cloudflare proxied vs DNS only: proxied records send traffic through Cloudflare, while DNS only records point straight to your server. Learn the difference.
By Maarten Soetens
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What Is a vCPU
A vCPU is a virtual CPU core that a hypervisor schedules onto physical cores. Learn how vCPUs map to hardware and why they are not dedicated cores.
By Maarten Soetens
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Statistics and Logs
AWStats cPanel reports explained: how server statistics, access logs and error logs work, what they reveal about visitors and errors, and where they fall short.
By Maarten Soetens