Hosting Glossary
CDN (Content Delivery Network)
CDN in plain English — the definition, the analogy, and why it matters to anyone who runs a website.
The short answer
A CDN caches your site's assets on servers around the world, serving each visitor from the nearest edge instead of your origin.
Below: the fuller explanation, an analogy that makes it stick, why it matters in practice, and where you'll actually meet it.
100+
Terms in this glossary
2 min
Average read
Plain
English, promised
24/7
Humans if you're stuck
Distance is latency — an edge node continents closer cuts round-trip times for images, scripts and sometimes whole pages. Many CDNs bundle security layers (WAF, DDoS absorption) atop the delivery role.
Its value scales with audience geography: global readerships gain dramatically; single-country sites on well-placed hosting gain modestly — measurement beats fashion.
The analogy version
Regional warehouses for a mail-order business — orders ship from the depot nearest each customer instead of one central works, and the head office (origin) handles only what depots can't stock.
Analogies simplify, of course — but this one holds up well enough to reason with, and reasoning is the point of a glossary.
What this means for your site
For distributed audiences a CDN is the biggest latency lever after caching itself — and its purge behaviour joins your cache-invalidation ritual the day you adopt one.
You don't need to operate this layer daily — you need to recognise it when it's the explanation for something, which is exactly when this page pays for itself.
What it looks like in practice
A tutorial site with worldwide readers serves its images from in-region edges — the Sydney visitor's assets arrive from Sydney, not from a European origin's round trip.
Multiply that example across every site on the internet and you have the concept's entire job description.
Where you'll meet it on our platform
You'll meet it in the control panel and occasionally in a support conversation — usually already configured the right way. If this term made sense, the natural next reads are Cache, DDoS Attack, Bandwidth and Nginx.
Business email on your own domain is included, not sold back as an add-on.
Jargon is a service failure
We think unexplained jargon is a service failure — this glossary is the support desk's accumulated translations, published where the search engines can hand them out.
Every plan includes free SSL that renews itself, so the padlock is never your job.
- 100+ terms, plain English
- Analogies and real examples
- Cross-linked related concepts
- Written by the support desk
Why HostingAlly
What you get with every plan
Linked, not siloed
Related terms cross-reference, so one lookup becomes a working understanding.
Grounded in a real platform
Examples reference the hosting you'd actually use, not abstract diagrams.
Honest about what you can skip
Most terms are recognise-level, not operate-level — the glossary says which is which.
Analogies that stick
Each concept gets a picture you'll remember at the moment you actually need it.
The practical stakes named
Not just what it is — when it's the answer to a problem you're having.
Plain English first
Every term defined for site owners, not for other sysadmins — jargon translated, not restated.
Getting Started
How to get going
- 1
Spot it in your own setup
Open your control panel and find where this concept lives — seeing it attached to your own site is what converts definition into understanding.
- 2
Check the defaults
Confirm how your account has this configured — usually correctly by default here, and now you'll know rather than guess.
- 3
Follow the related terms
Concepts travel in packs — Cache, DDoS Attack and Bandwidth complete this one's picture, and each is a two-minute read away.
Included
What's covered on our plans
- DDoS protection at the network level
- 24/7 support from real people
- Renewal prices that match signup prices
- 99.9% uptime commitment, monitored around the clock
- Email accounts on your own domain
- NVMe SSD storage as standard
- Free SSL certificate on every plan, renewed automatically
- SSH, Git and Composer access on developer-friendly plans
- Free website migration handled by our team
- One-click installer for WordPress and 400+ apps
FAQ
Your questions, answered
Does every site need a CDN?
No — a UK-audience site on good European hosting sees marginal gains. Adopt for geographic spread, heavy static assets, or the bundled security; skip when measurement says your latency is already local.
CDN or better hosting — which first?
Hosting and caching first — a CDN accelerates delivery of what the origin produces; it can't fix slow production. Fast origin plus CDN is the compounding order.
Where is your company based?
HostingAlly is a trading name of Bohzo Ltd, a company registered in England and Wales — a real, verifiable business with published terms under English law, which is worth checking about any host before you hand them your domain.
What happens if I outgrow my plan?
You upgrade in place — plan changes apply from your client area without migrations or downtime, and our range runs from small shared plans through VPS to dedicated servers, so growth is an account change rather than a new-host project.
Will you move my existing website for free?
Yes — open a ticket with your current host's access details and we handle the whole move: files, databases, email and configuration, verified by you before DNS switches. The old site keeps serving until the new copy takes over, so visitors never see a gap.
Are backups included, and can I restore them myself?
Daily automatic backups are standard, restorable from the panel in minutes — files, databases or both, at 3am without a ticket if that's when you need it. For extra cover, you're welcome to run your own offsite copies alongside.
Can I host more than one website on a plan?
On the Pro tier and above, yes — multiple sites with their own domains, email and SSL under one account. If the extra sites belong to clients rather than you, reseller hosting gives each one proper isolation instead.
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