Web Trends 2026
The Complete Year in Review

At the start of 2025, most of what eventually happened was already on the roadmap — but the pace caught a lot of teams off guard. This review covers the developments that actually stuck: what changed, what it means in practice, and what to watch in 2026.

The AI Revolution in Web Development

2025 was the year AI tooling stopped being something teams evaluated and started being something they just used. According to the Strapi Web Development Report 2025, AI assistants are now part of daily workflows across virtually every development team of note.

GitHub Copilot and the Dominance of React

One concrete consequence of AI tooling: it reinforces React's dominance. LLMs were trained on enormous amounts of React code, since React dominates the frontend ecosystem. Ask Copilot for a solution and you'll almost certainly get a React-based answer, even when another tool would fit better.

Local LLMs on the Rise

While cloud-based assistants like GitHub Copilot are widely used, we observe growing interest in local Large Language Models that run directly on developer hardware. These offer advantages in terms of privacy, offline availability, and reduced latency - particularly relevant for European companies with strict compliance requirements.

The clearest takeaway from 2025: AI doesn't replace developers, it changes what they spend time on. Teams ship faster and handle more surface area. But someone still needs to understand the architecture, review what the AI produced, and catch the mistakes it makes with confidence.

Framework comparison 2025: React, Astro, Svelte & More

React is still dominant, but 2025 showed that alternatives have found their footing. Astro, Svelte, and Qwik each have clear cases where they're a better fit than React, and teams are getting better at recognizing when that applies.

React 19: The Server Components Era Begins

React 19 made Server Components the recommended default for new projects — no longer an experimental option. The other changes are smaller but affect daily code in real ways:

• useActionState replaces the old useFormState for Server Actions
• ref as Prop instead of forwardRef - significantly simpler API
• use() Hook for resolving Promises in components
• useOptimistic for optimistic UI updates
• Improved Hydration with less client-side JavaScript

// React 19: ref as Prop (forwardRef is deprecated)
function Input({ ref, ...props }: { ref?: React.Ref<HTMLInputElement> }) {
  return <input ref={ref} {...props} />
}

// React 19: useActionState for Server Actions
import { useActionState } from "react"
const [state, action, pending] = useActionState(serverAction, initialState)

// React 19: use() Hook for Promises
import { use } from "react"
function Component({ dataPromise }: { dataPromise: Promise<Data> }) {
  const data = use(dataPromise)
  return <div>{data.name}</div>
}

Next.js 15: Async Everything

Next.js 15 introduced several breaking changes that affect existing projects. The most important change: params and searchParams are now async. This means fundamental changes to how dynamic routes work:

// Next.js 15: params is now async (BREAKING CHANGE)
async function Page({ params }: { params: Promise<{ id: string }> }) {
  const { id } = await params  // MUST await
  return <div>{id}</div>
}

// WRONG in Next.js 15 - this no longer works:
function Page({ params }: { params: { id: string } }) {
  return <div>{params.id}</div>  // TypeError!
}

Astro: The Performance Champion

Astro kept gaining ground in 2025 and is now the default choice for content-heavy sites. The Islands Architecture ships zero JavaScript by default and only hydrates what needs to be interactive. In practice: Lighthouse 100s that would take serious effort to achieve in a React-heavy setup.

Svelte: Performance Without Virtual DOM

Svelte is a genuine alternative now, not just an interesting experiment. No Virtual DOM, compiled at build time — the runtime performance is hard to beat. If you're building something where interaction speed is critical, it's worth a serious look.

Qwik: Instant Loading

Qwik takes a different approach: Resumability instead of hydration. Pages become interactive almost immediately because the browser doesn't need to re-execute any JavaScript. E-commerce and high-traffic applications are the obvious use case. Adoption is still limited, but it's moving in the right direction.

Core Web Vitals 2025: INP Replaces FID

Core Web Vitals changed in 2025 with one significant swap: Interaction to Next Paint (INP) replaced First Input Delay (FID) as the responsiveness metric. The implications for optimization are real.

What Does INP Mean?

FID only measured the very first interaction. INP tracks every user interaction across the full page visit. A fast initial load no longer covers you — slow button responses or laggy form inputs will drag your score down.

Optimization Strategies for 2025/2026

• Scroll-driven Animations in CSS instead of JavaScript for performant scroll effects
• Lazy Loading for images and non-critical components
• Edge Computing for globally fast loading times
• Server-Side Rendering or Static Generation where possible
• Bundle-Splitting and Tree Shaking for minimal JavaScript bundles

Astro, Next.js 15, and Qwik all produce good Core Web Vitals scores by default. The harder problem is existing applications — many need significant work to meet the INP threshold, especially those with heavy client-side JavaScript.

Design Trends 2025: Bento, Glass and 3D

Some 2024 patterns consolidated in 2025, a few new ones emerged. The common thread: layouts that organize well, effects that don't fight readability, and depth that earns its place.

Bento Grid: Inspired by Apple, Adapted Everywhere

Bento Grids — named after Japanese lunch boxes — became the dominant layout pattern in 2025. Apple, Microsoft, and Pinterest all use this approach: modular cards of different sizes, each holding one piece of information, arranged in a clear grid.

Glassmorphism 2025: Subtler and More Accessible

Glassmorphism — the frosted glass effect with blurred backgrounds — has calmed down from its peak. Early versions were often unreadable. In 2025, teams use it more sparingly: floating nav bars, modals, and card surfaces where the effect adds something instead of just decorating.

/* Glassmorphism 2025: Subtle and accessible */
.glass-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
}

/* Important: Sufficient contrast for text */
.glass-card p {
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

3D and Immersive Experiences

WebGL, Three.js, and CSS features like rotate-x, rotate-y, and perspective gave 3D a real foothold in 2025. Product viewers, interactive scroll sequences — things that felt niche two years ago are standard in certain markets now.

Motion Design: Scroll-driven Animations

CSS Scroll-Driven Animations got broad cross-browser support in 2025. GPU-accelerated, no JavaScript required, and essentially zero performance cost when done right. For scroll-triggered effects, this is now the correct approach.

EAA 2025: Accessibility Becomes Mandatory

June 28, 2025 was the deadline for the European Accessibility Act (EAA). For most businesses in scope, this turned accessibility from a recommendation into a legal obligation.

Who Is Affected?

The law applies to most companies that sell digital products or services to consumers in the EU:

• E-Commerce - Online shops and booking platforms
• Banking Services - Online banking, payment systems
• Telecommunications - Websites, apps, messengers
• Transport - Booking systems, timetable information
• E-Books - Digital books and reading devices

WCAG 2.2 as Standard

The technical standard is WCAG 2.2 Level AA. In practice that means:

• All images need meaningful alt texts
• At least 4.5:1 color contrast for normal text
• Complete keyboard navigation
• Click targets at least 24x24 pixels
• No keyboard traps
• Semantic HTML and correct ARIA attributes

For a detailed implementation guide, we recommend our Web Accessibility 2025 Guide.

Native Web Features: Browsers Catch Up

Browsers closed a lot of gaps in 2025. Features that used to require a JavaScript library are now available natively, which means smaller bundles and less to maintain.

View Transition API: Native Page Transitions

The View Transition API hit the Baseline cross-browser support index in 2025. Smooth animated page transitions are now possible without a JavaScript framework — Multi-Page Architecture with SPA-style transitions.

/* View Transition CSS */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.3s;
}

/* Individual element transition */
.hero-image {
  view-transition-name: hero;
}

::view-transition-old(hero) {
  animation: fade-out 0.3s ease-out;
}

::view-transition-new(hero) {
  animation: fade-in 0.3s ease-in;
}

Web AI: AI in the Browser

Google pushed "Web AI" forward in 2025 — LLM inference running directly in the browser on the user's device. No server round-trip, no data leaving the machine. For European companies navigating GDPR, this is worth keeping an eye on.

Container Queries: Responsive by Size

Container Queries let components respond to their own size rather than just the viewport. This is a genuine improvement for reusable component design:

/* Container Query */
.card-container {
  container-type: inline-size;
}

@container (min-width: 400px) {
  .card {
    display: grid;
    grid-template-columns: 200px 1fr;
  }
}

E-Commerce Innovations 2025

E-commerce saw concrete technical progress in 2025, pushed by performance benchmarks and the new EAA requirements.

Headless Commerce Becomes Standard

Separating the frontend from the commerce backend is now standard practice for any shop with real traffic. Shopify with Hydrogen, commercetools, and Medusa all give you full frontend control while keeping the commerce logic on a stable backend.

Edge-First E-Commerce

Rendering at the edge — Vercel, Cloudflare Workers — puts the server physically close to the user. For high-traffic e-commerce, this means sub-second load times globally, which has a direct and measurable effect on conversion rates.

AR/VR Product Experiences

AR product experiences moved past novelty status in 2025. Furniture retailers, fashion brands, and cosmetics companies have the conversion data to back up the investment in AR try-on and 3D product viewers.

Outlook for 2026: What's Coming Next?

Looking at where 2025 ended up, here's what looks likely for 2026:

1. Even Deeper AI Integration

AI tooling will move beyond code completion. AI-powered debugging, automatic accessibility checking, performance analysis, and test generation are already appearing in early form. By end of 2026, these will be standard workflow features for most teams.

2. WCAG 2.2 Gets Integrated into EN 301 549

The updated EN 301 549 standard — which will officially reference WCAG 2.2 — is scheduled for publication in May 2026. This tightens the legal basis for accessibility requirements across the EU.

3. Performance Metrics Become Stricter

Google has signaled that Core Web Vitals thresholds may tighten in 2026. Sites in the "good" range today could drop to "needs improvement" without changing a line of code. Worth optimizing now rather than reacting later.

4. Server Components Everywhere

The move toward server-first rendering will continue. Frameworks are getting better at reducing client-side JavaScript without sacrificing interactivity — and more teams are building this way by default.

5. Design System Maturity

More companies will invest in proper design systems in 2026 — ones that handle accessibility, performance, and visual consistency without custom work on every component. Radix, Ariakit, and shadcn/ui are setting the bar for what this looks like.

Frequently Asked Questions (FAQ)

Where 2025 Left Things

A lot happened at once: React 19, Next.js 15, the EAA deadline, INP replacing FID, and AI tooling crossing the line from curiosity to daily use. Not everything requires a response, but the teams that stayed current had a notably easier time in the second half of the year.

The tooling situation is genuinely better than it was. React 19, Next.js 15, Astro, and modern CSS features make fast, accessible sites more achievable. The real work is migrating existing codebases and shifting habits in teams that built their processes before these tools existed.

For 2026: server-first by default, performance as a baseline not a bonus, accessibility baked in rather than added on, and AI tools treated as an accelerator rather than a replacement for thinking. That's what separates projects that age well from ones that need rebuilding in two years.