Hosting Glossary
OPcache
OPcache in plain English — the definition, the analogy, and why it matters to anyone who runs a website.
The short answer
OPcache keeps compiled PHP bytecode in memory, so scripts skip recompilation on every request — free speed for every PHP site.
The sections below unpack it properly — how it works, why a site owner should care, and a concrete example of it in the wild.
0
Jargon left unexplained
100+
Linked definitions
Real
Platform examples
Free
To read, obviously
PHP normally parses and compiles source per request; OPcache does it once and reuses the result until files change. On WordPress-scale codebases the saving lands on every uncached request — admin screens included.
It's enabled by default on decent hosting (ours included) — the setting worth verifying rather than configuring, via any phpinfo view.
A picture that makes OPcache stick
Keeping the translated script on stage rather than re-translating the play before every performance — the actors start immediately, and only a rewritten scene triggers fresh translation.
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
OPcache is the invisible baseline of PHP performance — its absence makes even fast hardware feel sluggish, and its presence is one of the quiet differences between tuned and merely-provisioned hosting.
That's the test for every technical term, incidentally — not 'do I understand it fully' but 'do I know when it's the answer to my problem'. For this one, now you do.
What it looks like in practice
A WooCommerce admin's dashboard — hundreds of PHP files per screen — runs on precompiled bytecode; the compilation that would dwarf the actual work happened once, days ago.
Ordinary, once seen — which is the point: most hosting concepts are simple machinery wearing intimidating names.
The HostingAlly angle
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 PHP, Cache, Redis and TTFB.
Annual plans include your first year of domain registration on us.
Why we wrote a hundred definitions
Every confusing term in hosting eventually becomes a support ticket — so we defined the hundred most common ones properly, once, in the plain English we'd use on the phone.
Daily automatic backups with one-click restores come with every plan.
- 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.
Analogies that stick
Each concept gets a picture you'll remember at the moment you actually need it.
Honest about what you can skip
Most terms are recognise-level, not operate-level — the glossary says which is which.
The practical stakes named
Not just what it is — when it's the answer to a problem you're having.
Grounded in a real platform
Examples reference the hosting you'd actually use, not abstract diagrams.
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
The fastest way to learn a hosting term is to find it in your own panel — five minutes of looking beats an hour of reading.
- 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 — PHP, Cache and Redis complete this one's picture, and each is a two-minute read away.
Included
What's covered on our plans
- SSH, Git and Composer access on developer-friendly plans
- Free domain for the first year on annual plans
- Per-site PHP version selection
- Daily automatic backups with self-service restores
- Email accounts on your own domain
- One-click installer for WordPress and 400+ apps
- Free website migration handled by our team
- Free SSL certificate on every plan, renewed automatically
- Renewal prices that match signup prices
- 99.9% uptime commitment, monitored around the clock
FAQ
Your questions, answered
Do I need to configure OPcache myself?
On managed hosting, no — enabled and sized by the platform. On a VPS, enable it with sane memory settings in php.ini; it's among the highest-yield lines in the file.
OPcache versus Redis — don't they overlap?
Different layers — OPcache caches compiled code (how to compute); Redis caches data results (what was computed). Full-stack PHP tuning runs both; neither substitutes for the other.
How long does it take to get started?
Minutes — hosting activates on payment, the domain (free for year one on annual plans) connects immediately, and one-click installers put WordPress or 400+ other apps live the same sitting. If you have an existing site, our team migrates it free, usually within 24 hours.
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.
What does your 24/7 support actually cover?
Real people at every hour, and a scope that includes the practical questions — email setup, DNS, WordPress issues, restores — not just 'the server is up, ticket closed'. Pre-sales questions are welcome too; ask us something difficult and judge the reply.
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.
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.
Keep exploring
PHP
PHP is the server-side language running most of the web's dynamic sites — WordPress, WooCommerce and the bu…
Cache
A cache stores the results of expensive work for instant reuse — pages, queries and assets served from memo…
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