Knowledgebase

Speed & Performance

Caching, images, Core Web Vitals and slow sites.

Why a site is slow and what actually fixes it. Most speed problems on shared hosting are caused by a handful of things — uncached pages, unoptimised images, too many plugins, a slow database query — and they are worth checking in that order before anyone upgrades a plan.

Core Web Vitals, explained without the jargon

What LCP, CLS and INP actually measure, why Google picked these three, and the published thresholds for each.

Article Performance 10 min
Does hosting actually affect site speed?

Yes, for the server response part specifically, but it explains far less of a slow page than most people assume.

FAQ Performance 6 min
How page caching works

Why rebuilding a page from scratch on every visit is expensive, and what caching actually does instead.

Article Performance 9 min
How to cache a site that changes constantly

How to get the benefits of caching on a site that has logins, carts or content updating constantly.

Guide Performance 8 min
How to compress images for the web

How to get images down to a sensible size for the web without the loss of quality being visible.

Guide Performance 8 min
How to enable compression on your site

How to turn on text compression for your site, and how to check it is actually being applied afterwards.

Guide Performance 6 min
How to fix Cumulative Layout Shift

Why pages jump around as they load, and how to reserve space in advance so they stop doing it.

Guide Performance 8 min
How to improve Largest Contentful Paint

How to find the specific element dragging down your LCP score, and the fixes that actually move it.

Guide Performance 9 min
How to lazy-load images

How native lazy-loading works, and the one image on every page that should never use it.

FAQ Performance 5 min
How to minify CSS and JavaScript

How minification actually reduces file size, and how to test for the breakage it occasionally causes.

Guide Performance 7 min
How to monitor your website uptime

How uptime monitoring actually works, and what to check first the moment an alert arrives.

FAQ Performance 5 min
How to read a waterfall chart

What every bar, gap and colour in a waterfall chart actually means, and how to use it to find a real cause.

Guide Performance 9 min
How to reduce database load on a busy site

How to find what is actually straining the database, and the maintenance most busy sites are quietly overdue for.

Guide Performance 8 min
How to reduce the number of requests a page makes

Why every extra file a page loads adds delay, and how to cut the number down without changing how the page looks.

Guide Performance 8 min
How to serve WebP images

How WebP compares to older image formats, and how to add a fallback for the rare browser that needs one.

FAQ Performance 5 min
How to set browser caching headers

How to tell a browser what it can keep and for how long, so a repeat visit does not re-download everything.

Guide Performance 7 min
How to speed up a slow WordPress admin

Why the admin area is often slower than the site itself, and the plugins usually responsible for it.

Guide Performance 7 min
How to speed up a WooCommerce store

Where a WooCommerce store actually loses its speed, and why the fix is different for catalogue pages and the checkout.

Guide Performance 10 min
How to stop web fonts slowing your page

How a web font ends up delaying the page or shifting its layout, and the specific settings that fix each cause.

Guide Performance 7 min
How to survive a traffic spike

What actually breaks first when traffic surges, and the preparation that matters more than reacting in the moment.

Article Performance 9 min
How to tell when you have outgrown your plan

The real signals that a plan is genuinely undersized, as opposed to a page that just needs optimising first.

Article Performance 8 min
How to test your website speed properly

How to run a speed test that gives you a real answer, and the common mistakes that produce a misleading one.

Guide Performance 8 min
Is a CDN worth it for a small website?

Usually yes to turn one on, but the honest answer depends on how spread out your actual visitors are.

FAQ Performance 5 min
NVMe and SSD storage: what the difference means

What actually differs between NVMe and standard SSD storage, and which part of a hosting request it actually affects.

Article Performance 7 min

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