Looking Back at the Web
How HTML, CSS, and JavaScript shaped the modern web.
It is difficult to look back at the web because it has always been focused on what comes next. The web has become nearly synonymous with the internet itself, and from the beginning, the internet has been positioned as the future. It’s a bit of everything all of the time. It’s overwhelming and exhausting to fully comprehend. But it’s a good exercise to look back occasionally and see how far we’ve come.
A Bit of History
The web began in the early 1990s as a way to share information across the internet. Tim Berners-Lee had created the first web browser and web server at CERN, and in 1997, Mosaic helped bring the web to more people. Early websites were mostly made of text, links, and basic images, but they introduced a powerful new idea: connected information that anyone with a browser could access. HyperCard also influenced the early web by helping popularize the concept of linking information through an interactive, visual interface.
As websites became more useful, HTML needed to mature. HTML 3.2 standardized features that browsers were already supporting, including tables, forms, scripts, and image alignment. These features were needed because the web was moving beyond simple documents into richer pages for businesses, media, education, and commerce.
HTML 4 continued that progress by improving support for forms, scripting, accessibility, internationalization, and the separation of structure from presentation. Around the same time, CSS became necessary because early websites often mixed design directly into the HTML with font tags, tables, and repeated styling. CSS gave developers a cleaner way to control layout, typography, spacing, and visual design across many pages.
JavaScript added behavior to the web. It made pages interactive, permitting developers to validate forms, create menus, update content, and respond to user actions. But for many years, browsers handled JavaScript and the DOM inconsistently. jQuery became popular because it made common tasks easier and worked around browser differences. It simplified selecting elements, handling events, creating animations, and making AJAX requests.
Over time, the need for jQuery declined. Browsers became more standards-compliant, native JavaScript became more powerful, and modern APIs like querySelector, fetch, classList, and the modern DOM APIs emerged, replacing many reasons developers once reached for jQuery. At the same time, frameworks such as Angular, React, Vue, and later frameworks like Next.js, Nuxt, SvelteKit, and Astro changed how websites and applications were built. Instead of manually manipulating pages with jQuery, developers began building reusable components and managing state, routing, rendering, and data more systematically.
HTML5 and CSS3 represented a major shift in what the browser could do. HTML5 introduced semantic elements, native video and audio, canvas, improved forms, and new browser APIs, diminishing the need for plugins like Flash. CSS3 expanded visual design with media queries, transitions, animations, gradients, rounded corners, shadows, Flexbox, and Grid, helping websites become more responsive, polished, and application-like without relying on heavy images, plugins, or JavaScript for every effect.
Today, modern websites are often built with component frameworks, static site generation, server-side rendering, headless CMS platforms, APIs, CDNs, design systems, and automated deployment workflows. HTML and CSS evolve continuously through living standards, modules, and browser support. Tools like TypeScript, Contentful, Vercel, Next.js, Nuxt, Sanity, Tailwind CSS, Vite, SvelteKit, Astro, and shadcn/ui reflect the evolution of the modern web: typed JavaScript, structured content, component frameworks, utility-first styling, reusable UI systems, global hosting, and automated deployment.
The history of the web is really the history of solving problems as they appeared: structure, styling, behavior, consistency, performance, accessibility, and scale.