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A few weeks ago I opened a website on my phone that should have been incredibly simple. It was basically a landing page with a navbar, a hero section, a pricing table, and a contact form. Nothing fancy. No huge videos. No complicated dashboards. No obvious reason for it to struggle.
And yet the page loaded like it was trying to launch a AAA video game.
The text appeared first. Then the layout shifted. Then buttons moved around. Then the navigation became interactive a second later. Scrolling stuttered for a moment before finally smoothing out. The whole experience just felt heavy.
The strange part is that modern internet speeds are absurdly fast compared to what they used to be. Devices are dramatically more powerful too. Phones today are more capable than full desktop computers from not that long ago. So why does the modern web sometimes feel slower than websites from 2012?
The answer has less to do with internet speed and more to do with how modern frontend development evolved over the past decade.
Years ago, most websites were mostly just documents.
You requested a page from a server and received HTML back. The browser rendered the page and maybe loaded a little JavaScript afterward for dropdowns or animations.
A typical page looked something like this:
<!DOCTYPE html>
<html>
<head>
<title>My Website</title>
</head>
<body>
<h1>Hello world</h1>
<p>This is my website.</p>
</body>
</html>
That was basically the web for a long time.
Then JavaScript frameworks exploded in popularity.
Applications became richer. Interfaces became more dynamic. Users expected instant interactions, live updates, animated transitions, real-time dashboards, drag-and-drop functionality, and app-like behavior directly in the browser.
React, Vue, Angular, and later Next.js changed how developers thought about building websites entirely.
And honestly, a lot of those changes were good.
The problem is that somewhere along the way, the industry started treating every website like it needed to behave like a full desktop application.
One of the weird realities of modern frontend development is how much work browsers now perform before users can interact with a page.
When people think about slow websites, they usually think about network speed. But downloading files is often only part of the problem now.
The browser also has to:
And modern applications ship a lot of JavaScript.
Sometimes absurd amounts.
I've opened websites where a simple marketing page downloaded several megabytes of frontend code just to display mostly static text and images.
That’s one reason I’ve been enjoying tools like Astro recently:
There’s something refreshing about building pages that mostly stay static unless interactivity is genuinely necessary.
The frontend ecosystem feels like it's slowly rediscovering that not every div on a page needs to become a fully hydrated React component.
One term that appears more and more in modern frontend discussions is hydration.
Hydration sounds complicated at first, but the basic idea is fairly simple: React takes server-rendered HTML and "activates" it in the browser so it becomes interactive.
That process is useful, but it also introduces overhead.
If a page contains hundreds or thousands of components, hydration can become surprisingly expensive.
You can actually feel this sometimes on slower devices.
A page appears visually complete, but clicking buttons feels delayed for a second. Scrolling feels strange. Inputs lag briefly before becoming responsive.
That’s often hydration work happening behind the scenes.
I wrote more about this recently here:
The interesting thing is that the frontend industry now seems to be correcting itself.
Instead of asking:
"How do we move everything into JavaScript?"
the conversation has shifted toward:
"How little JavaScript can we get away with shipping?"
That’s a pretty major philosophical change.
For a while it felt like frontend performance stopped being a priority.
Developers assumed internet speeds would continue improving forever and devices would simply brute force their way through bloated applications.
But users absolutely notice slow websites.
Especially on mobile.
Even tiny delays affect how websites feel emotionally. People may not consciously understand why one website feels smoother than another, but they absolutely feel the difference.
That’s why Core Web Vitals became such a major topic over the last few years.
Google essentially started telling developers:
"Performance is part of user experience now."
And honestly, they were right.
A fast website feels trustworthy. A responsive website feels professional. A smooth experience makes software feel polished even before users consciously analyze the design itself.
One of the most interesting trends in frontend development right now is that modern frameworks are becoming more server-oriented again.
For years, frontend development aggressively pushed rendering into the browser.
Now we’re seeing the opposite happen.
React Server Components, server rendering, streaming, partial hydration, and edge rendering all move work away from the client and back toward the server.
A modern Next.js page might look like this:
async function Page() {
const posts = await fetch("https://api.example.com/posts").then((res) =>
res.json(),
);
return (
<div>
{posts.map((post) => (
<h2 key={post.id}>{post.title}</h2>
))}
</div>
);
}
A few years ago, this would have looked unusual.
Now it’s increasingly normal.
What’s funny is that frontend development sometimes feels cyclical. The industry spent years trying to move everything into the browser, and now we're carefully deciding what actually belongs there.
I think another reason performance-focused tools are gaining traction is because developers are getting tired of unnecessary complexity.
Frontend development became incredibly complicated incredibly quickly.
Build tools. Transpilers. Hydration boundaries. Bundlers. Client rendering. Server rendering. Streaming. Edge runtimes. Partial hydration. Islands architecture.
At some point, people started asking whether simple websites really needed all of this machinery.
That doesn’t mean React or Next.js are bad tools. I use them constantly. But there’s definitely been a growing movement toward choosing simpler architectures whenever possible.
Honestly, some of the most enjoyable projects I’ve worked on recently were the ones that avoided unnecessary complexity altogether.
A fast static site with thoughtful interactions often feels better than a hyper-dynamic application doing ten thousand things at once.
One thing that surprised me over the last few years is how much Tailwind changed the way I build interfaces.
At first I resisted it pretty hard.
Writing giant utility classes directly inside markup felt wrong to me initially. It looked messy. Traditional CSS felt cleaner and more organized.
Then I started building larger projects with it.
And eventually I realized something important:
Most frontend styling problems aren't actually about writing CSS. They're about managing CSS at scale.
Tailwind removes a surprising amount of friction from that process.
Instead of constantly switching between markup and stylesheets, you compose layouts directly where the UI exists.
Something like this:
<section class="max-w-6xl mx-auto px-6 py-24">
<h1 class="text-5xl font-bold tracking-tight">Modern frontend development</h1>
</section>
becomes surprisingly natural after a while.
I still enjoy writing traditional CSS when appropriate, but utility-first development dramatically sped up my workflow once it clicked.
I don’t think the future of web development is about abandoning JavaScript frameworks.
The modern web genuinely can do amazing things now.
But I do think developers are becoming more intentional about what actually needs to run in the browser.
That’s probably a good thing.
A lot of the frontend ecosystem now revolves around reducing:
In many ways, the industry is rediscovering old ideas:
Ironically, some of the "new" frontend ideas feel a lot like the old web again — just with better tooling and more flexibility.
Modern websites sometimes feel slower not because the internet is slow, but because browsers are being asked to do dramatically more work than they used to.
The browser evolved from a document viewer into a full application runtime.
That shift unlocked incredible possibilities, but it also introduced complexity and performance costs that the industry is still trying to manage.
Lately, frontend development feels like it's entering a correction phase.
Frameworks are becoming more performance-focused. Developers are becoming more conscious of bundle sizes. Server rendering is becoming more common again. Simpler architectures are gaining popularity.
Honestly, I think that’s healthy for the web.
The best websites rarely feel complicated to users.
They just feel fast.