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No jargon, ever

The plain-English glossary

Every technical term this site uses, defined in one sentence a non-engineer can act on. 29 terms — the same ones that appear as taps on the rescue and guide pages.

29 terms One sentence each No acronym left behind
29 terms
backup
A tested copy of your site you can restore from; an untested backup is a hope, not a plan.
Backup System & Restore Test →
blacklist
A list of domains flagged for abuse; landing on one blocks your email or hides your site from searchers.
Hack Cleanup & Malware Removal →
cache
A ready-made copy of your pages kept warm so the server doesn't rebuild everything on every visit.
Website Speed Optimization →
CDN
Content Delivery Network — copies of your files served from cities near each visitor, so pages load faster worldwide.
Website Speed Optimization →
CLS
Cumulative Layout Shift — how much the page jumps around while loading. Good is under 0.1.
Website Speed Optimization →
CMS
Content Management System — the software (like WordPress) you use to edit pages without touching code.
Hosting Consolidation & Cost Cut →
Core Web Vitals
Google's three real-user speed scores: loading (LCP), visual stability (CLS) and responsiveness (INP).
Website Speed Optimization →
database
Where your site stores its content and user data; overloaded or corrupted, it throws errors instead of pages.
Database Performance Rescue →
DKIM
A digital signature added to your emails proving they really came from your domain and were not altered.
Email Deliverability / Spam Rescue →
DMARC
A DNS policy telling mailbox providers what to do when a message fails its SPF or DKIM checks.
Email Deliverability / Spam Rescue →
DNS
The internet's address book: it turns your domain name into the server visitors actually reach.
Domain Hijack Recovery →
firewall
A filter that blocks known-bad traffic before it ever reaches your site.
Bot Traffic & Anti-Bot Defence →
FTP
File Transfer Protocol — the old way of moving files to a server; left open and unencrypted, attackers love it.
Hack Cleanup & Malware Removal →
hosting
The service that runs your site on a server; the plan you pick decides your speed ceiling and your crash risk.
Hosting Consolidation & Cost Cut →
INP
Interaction to Next Paint — how fast the page reacts when someone clicks or taps. Good is under 200ms.
Website Speed Optimization →
LCP
Largest Contentful Paint — how long until the main content of a page appears. Good is under 2.5 seconds.
Website Speed Optimization →
malware
Malicious software planted on your site; it can redirect visitors, steal data, or get you blacklisted by Google.
Hack Cleanup & Malware Removal →
PHP
The language most WordPress sites run on; an outdated version is one of the most common ways in.
VPS Optimization & Server Tuning →
plugin
An add-on that extends your CMS; outdated or abandoned plugins are the most common way sites get hacked.
Hack Cleanup & Malware Removal →
quota
A cap on the disk, memory or emails your plan allows; hitting it is a common cause of sudden failures.
Hosting Consolidation & Cost Cut →
redirect
Automatically sending a visitor from one URL to another; broken loops tank both pages and rankings.
SEO / Google Index Recovery →
registrar
The company where your domain name is registered — whoever controls that account controls the domain.
Domain Hijack Recovery →
SEO
Search Engine Optimisation — the work that helps Google show your pages for the phrases customers type.
SEO / Google Index Recovery →
shared hosting
A cheap plan where your site shares one server with hundreds of others; one busy neighbour slows you down.
Hosting Consolidation & Cost Cut →
SPF
A DNS record listing which servers may send email as your domain; missing or wrong, your mail lands in spam.
Email Deliverability / Spam Rescue →
SSL
The certificate that encrypts traffic and turns http:// into the padlock https:// shoppers trust.
two-factor
A second proof of identity (a code from your phone) on top of the password, so a stolen password isn't enough.
Hack Cleanup & Malware Removal →
uptime
The share of time your site is actually online; 99.9% still allows about 43 minutes down every month.
Downtime Response & Continuity Plan →
VPS
Virtual Private Server — your own slice of a machine with guaranteed resources, so a traffic spike doesn't take you down.
VPS Optimization & Server Tuning →

Still a word you don't recognise?

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