VP Speed is a performance suite for Joomla that makes your site faster without touching code. It rebuilds Bootstrap with only the components you actually use, replaces the full...

Installing VP Speed takes the same few steps as any Joomla plugin: upload the package, enable the plugin, and open its settings. This article walks through the whole process and...

The Bootstrap Optimizer is the heart of VP Speed. It compiles a slim Bootstrap stylesheet containing only the parts your site uses, then makes that bundle the single Bootstrap...

Compiling a slim bundle is only half the job. Until you tell VP Speed to replace it, the full Bootstrap your template loads keeps downloading alongside your slim file — so the...

JavaScript is the other half of render performance. Scripts that load in the page head block the browser from painting until they finish. VP Speed offers two levels of control:...

Because VP Speed compiles Bootstrap from its Sass sources, it can do something a plain stylesheet cannot: change Bootstrap's own variables before compiling. The Bootstrap...

Many Joomla templates load Bootstrap Icons from a CDN like jsDelivr. That pulls a stylesheet and a large font file from a third-party domain on the critical path — extra DNS, TLS...

The browser discovers most resources only as it parses your HTML and CSS, which can leave important files waiting. Resource hints fix that: preload tells the browser to fetch a...

Browser caching tells visitors' browsers to keep your static files — CSS, JavaScript, images, fonts — for a long time, so repeat visits and navigation between pages load almost...

This reference collects the questions and issues that come up most often with VP Speed, grouped by area. If something doesn't behave as expected, start here — most cases have a...