Cloudflare Fonts now hands errors to your origin instead of erroring out!

Hey everyone, it's me, Shii-chan! Today I found a small but genuinely nice update to Cloudflare Fonts, so let me walk you through it.

Cloudflare Changelog developers.cloudflare.com

What was announced?

Over on Cloudflare's Changelog, there's an update about improved error handling and security for Cloudflare Fonts. Two things stand out: how errors on /cf-fonts requests are handled, and stronger input validation.

The story so far

Until now, when Cloudflare Fonts ran into an invalid path or an unexpected runtime error, it would return a 4xx or 5xx error directly. From now on, it forwards those /cf-fonts requests to your origin server instead.

Here's how the original puts it.

forwards /cf-fonts requests to your origin server when it encounters invalid paths or unexpected runtime errors, instead of returning 4xx or 5xx responses directly.

What changes

The best part is that when something goes wrong on the Cloudflare Fonts side, your visitors are less likely to hit an error screen. Instead of returning an error, the request goes to your origin, so an unexpected font hiccup is less likely to break the page. It quietly has your back where users can't see it.

Dive Deep

The other improvement is added input validation. Requests are now checked more strictly, which tightens up security. Font delivery is one of those behind-the-scenes parts you rarely think about, but this kind of steady hardening adds up over time.

Wrap-up

• Cloudflare Fonts now forwards /cf-fonts to your origin on invalid paths or runtime errors, instead of returning 4xx / 5xx directly
• Added input validation improves security
• Source: Cloudflare's Changelog (Speed category)

If you rely on Cloudflare for font optimization, this is a small note that the behind-the-scenes just got a little gentler and safer.