Apex Flow Digital · Reference

The Web Encyclopedia.

Every word people use about websites, answered first and in plain English: 354 terms and 427 questions across 15 subjects, from the basics to vibe coding and WebGL.

Or browse all 427 questions and answers.

Subjects

Foundations

What a website is made of: domains, hosting, browsers and the languages every page is written in.

Design & UX

How sites look, read and guide people: layout, type, navigation and conversion.

Motion & 3D

The words behind the wow: parallax, scrollytelling, WebGL, shaders and every effect people ask for by name.

Front-end Code

The code that runs in the browser: HTML, CSS, JavaScript, React and the tools around them.

Frameworks & Platforms

Next.js, WordPress, Webflow, Shopify and the rest: what each one is and when it fits.

Vibe Coding & AI Builders

Building sites by describing them: prompts, coding agents, AI builders and how to review what they write.

Performance

Why sites feel fast or slow: Core Web Vitals, Lighthouse, images, fonts and caching.

SEO

How pages get found on search engines: crawling, indexing, keywords, links and structured data.

AEO & AI Search

How pages get quoted by ChatGPT, Perplexity and Google's AI answers: entities, citations and answer-first writing.

Hosting, Domains & Deploy

Getting a site onto the internet and keeping it there: DNS, SSL, deploys and environments.

E-commerce

Selling online: carts, checkout, payments, products and the funnel between them.

Security & Privacy

Keeping sites and visitors safe: attacks, defences, logins and privacy law.

Accessibility

Sites everyone can use: WCAG, screen readers, contrast, keyboards and motion.

Agencies & the Business of Web

How websites get bought and sold: scopes, retainers, briefs, handoffs and awards.