Since at least yesterday our customers, primarily in California, have been getting incorrect assets served to them. Our JS and CSS files live under /assets and we have observed responses sporadically being return that are content-type “text/plain” with a body of “hello” instead of the correct Javasc…

We are experiencing an issue with some of our javascript and CSS files, this issue is location related, it only happens to members of our team in San Francisco, or if [error] we use a VPN, when we open the website, we are getting a blank page, after checking the assets, we noticed that the conten…

Hi @dan1er I have moved your post into an existing thread by @john2 which is related to streamline things. I have also escalated this to ensure Netlify Support Engineers see this.

Thanks for confirming it’s not just us @dan1er Cloudflare support are telling me it’s on the Netlify side. Netlify support are telling me it’s on the Cloudflare side. Both services say multiple customers have reported it. Our very rough and early investigation leads us to believe the hello file …

There is a Support Guide about why not to use Cloudflare in front of Netlify @john2 , @dan1er [image] [Support Guide] What problems could occur when using Cloudflare in front of Netlify? Support Guides Last reviewed by Netlify Support - August, 2023 Note: We recommend not…

Hey folks! Sorry to hear about the trouble. I’ve raised this with our security team and as far as we can tell it is specific to cloudflare’s cache, and while I can’t promise it doesn’t affect anyone else, it does not seem to originate on our service. As Coel has helpfully pointed out, we do not p…

Same here, thanks @john2 we arrived at the same conclusion that you did, hopefully, we’ll be able to find a solution for it quickly.

Thanks @fool , I’ll repost your comment on the Cloudflare ticket we created.

Thanks for the update. I’ve followed up with Cloudflare. We rely on Cloudflare Workers a bunch so it’s not a simple case of us just turning this off.

Here is the convo over on the Cloudflare side https://community.cloudflare.com/t/caching-issue-hello-in-the-respone/417842

We’ve likely found the cause for this and rolled back the code that would have caused this. Please clear you Cloudflare caches if you’re still seeing this. Thank you for the patience while we investigated this. We’ll follow up with a more detailed explanation here soon.

Javascript and CSS Assets sporadically returning text/plain with a body "hello"

Support

coelmay September 8, 2022, 11:14pm 5

There is a Support Guide about why not to use Cloudflare in front of Netlify @john2, @dan1er

Topic		Replies	Views
Javascript and Css files returning hello instead of actual code Support netlify-dns-https-ssl , caching	0	747	September 8, 2022
Intermittent: Browser refuses CSS/JS static files due to incorrect mime type text/plain Support headers	1	705	February 19, 2023
(Very) slow loading of some js: TTBF / download / revalidation Support performance	30	3575	June 10, 2022
CDN asset caching problem after deployment Support netlify-cdn-adn	12	4840	June 3, 2020
Site techpulseai.com.br: Tela branca, erro MIME type de assets (JS/CSS) Support deployment , netlify-cdn-adn , site-management , builds	1	73	June 30, 2025

Javascript and CSS Assets sporadically returning text/plain with a body "hello"

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