Hosting Glossary
TTFB (Time To First Byte)
What TTFB actually means, minus the jargon — with the example that makes it obvious.
The short answer
TTFB measures the delay between requesting a page and receiving its first byte — the server-and-network share of perceived speed.
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
It bundles DNS, connection setup, TLS and the server's thinking time — everything before page weight enters the story. High TTFB points at hosting, caching or backend drag; low TTFB with slow pages points at the pages.
Cache-hits collapse it: a served-from-cache page's TTFB is network distance plus microseconds, which is why caching status dominates the metric.
TTFB (Time To First Byte), by analogy
The kitchen's time-to-first-dish — how long after ordering before anything reaches the table; portion size (page weight) delays the rest of the meal separately.
Hold onto that picture and most of the documentation you'll ever read about it becomes considerably less mysterious.
The practical stakes
TTFB is the diagnostic that splits every speed problem in two — hosting-side or page-side — and the floor under Core Web Vitals; you cannot LCP faster than your first byte arrives.
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 site tests at 900ms TTFB uncached and 80ms from cache — the diagnosis writes itself: extend cache coverage, and investigate what the uncached path is computing.
Ordinary, once seen — which is the point: most hosting concepts are simple machinery wearing intimidating names.
Where you'll meet it on our platform
On our hosting this mostly takes care of itself — the platform applies the sensible defaults, and the panel exposes the controls when you want them. The concepts worth knowing next: Cache, Core Web Vitals, NVMe and LiteSpeed.
Business email on your own domain is included, not sold back as an add-on.

Why we wrote a hundred definitions
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
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.
Plain English first
Every term defined for site owners, not for other sysadmins — jargon translated, not restated.
Linked, not siloed
Related terms cross-reference, so one lookup becomes a working understanding.
The practical stakes named
Not just what it is — when it's the answer to a problem you're having.
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
Our platform ships sane defaults for this — verify rather than assume, and you'll know your setup instead of hoping about it.
- 3
Follow the related terms
Concepts travel in packs — Cache, Core Web Vitals and NVMe complete this one's picture, and each is a two-minute read away.
Included
What's covered on our plans
- 99.9% uptime commitment, monitored around the clock
- One-click installer for WordPress and 400+ apps
- 24/7 support from real people
- SSH, Git and Composer access on developer-friendly plans
- DDoS protection at the network level
- Free website migration handled by our team
- cPanel — the industry-standard control panel
- Email accounts on your own domain
- Free SSL certificate on every plan, renewed automatically
- Renewal prices that match signup prices
FAQ
Your questions, answered
What's a good TTFB number?
Cached pages to nearby visitors: under ~200ms comfortably. Uncached dynamic pages: 200-500ms on healthy hosting. Sustained near a second signals something diagnosable — caching gaps, plugin drag, or hosting mismatch.
How do I improve TTFB?
In order of leverage: page caching (skips computation), PHP 8.x and OPcache (faster computation), Redis and NVMe (faster data), then pruning slow plugins and external calls. Page-weight optimisation, note, is not on this list.
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.
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.
Is SSL really included at no cost?
On every plan, with no exceptions — certificates are issued automatically when your domain points to us and renew themselves before expiry. The encryption is identical to paid DV certificates; paid tiers exist only for wildcard convenience or organisation-level validation.
Is there a money-back guarantee?
Yes — try the hosting properly and if it doesn't fit, the refund process is a request, not a retention gauntlet. Domain registrations are the one standard carve-out, since registries make those non-refundable the moment they're placed.
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
Cache
A cache stores the results of expensive work for instant reuse — pages, queries and assets served from memo…
Core Web Vitals
Core Web Vitals are Google's user-experience metrics — loading (LCP), interactivity (INP) and visual stabil…
Domain Names
Search, register and transfer domains — first year free on annual hosting.
WordPress Hosting
Managed WordPress with LiteSpeed caching, staging and automatic backups.
Launch it properly this time.
Every plan includes the essentials others sell as extras — and support that actually answers.
See Hosting Plans