Cloudflare error page generator
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Cloudflare error page generator

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Project Description

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Cloudflare Error Pages, But Make Them Yours

Ever clicked a link and been met with Cloudflare's default error page? You know the one—clean, functional, but unmistakably generic. It tells you something's wrong, but it doesn't tell you anything about who you're trying to reach. For developers who care about user experience, that moment is a missed opportunity to maintain brand presence or inject a little personality.

That's where this clever tool from GitHub comes in. It's a generator that lets you recreate and customize Cloudflare's error pages. It’s not about mocking Cloudflare; it's about using that familiar, trusted UI as a template to create your own branded error messages that keep users informed and maybe even smile through the 404 blues.

What It Does

This is a static HTML/CSS/JS generator that replicates the look and feel of Cloudflare's standard error pages (like the common 1020, 1040, or 520 errors). You feed it your details—error code, title, message, your ray ID, even your logo and brand colors—and it spits out a standalone HTML page that mirrors the Cloudflare style. The output is a self-contained page you can host yourself and point Cloudflare (or any other service) to use when things go sideways.

Why It's Cool

The beauty here is in the specifics and the approach. First, it's incredibly faithful to the original. The fonts, spacing, layout, and even the little cloud icon are meticulously recreated. This means your custom page will feel familiar and legitimate to users, not like a jarring, completely different design.

Second, it's entirely static and hostable anywhere. You don't need a complex backend. Generate the page, upload it to your CDN or web server, and configure your origin or firewall rules to point to it. It gives you control without adding infrastructure.

Finally, it solves a real branding gap. Instead of a user hitting a stark, impersonal error, they see your logo, your colors, and a message that sounds like you. You can add helpful links back to your homepage, docs, or support. It turns a dead-end into a guided recovery, all while keeping the professional, clean aesthetic users associate with Cloudflare's security and reliability.

How to Try It

The easiest way to see it in action is to check out the live demo. The generator itself is a simple web form.

  1. Head over to the project's GitHub Pages site: https://donlon.github.io/cloudflare-error-page/
  2. You'll see a live preview on the right and a control panel on the left.
  3. Start playing with the settings: change the error code, the main message, the background color, and the logo URL.
  4. Watch the preview update in real-time. Once you're happy, you can copy the generated HTML or use the provided "Download HTML" button.

To use it, just host the downloaded HTML file at a URL your error-handling service (like Cloudflare) can redirect to.

Final Thoughts

This is one of those simple, focused tools that just makes sense. It addresses a small but noticeable pain point for developers who are meticulous about their site's entire user journey, including the error states. You probably don't think about your error pages until you need one, and then it's too late to design something from scratch. This generator gives you a professional, on-brand result in minutes.

It’s perfect for indie developers, small startups, or any team that wants to add a polished touch without the design overhead. Next time you're tuning your Cloudflare settings, consider swapping the default for something you made—or at least, something you customized.


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Project ID: 107c3644-93cc-42b2-8b2c-7069ad4c8e58Last updated: December 15, 2025 at 08:00 PM