JS/CSS won't uncache without a purge

Even after the weekend, my JS/CSS files for my Pages deployment are still being cached. I have to run a Purge Cache on those files on every deploy to get them uncached. I thought a deployment would automatically clear those files from the cache.

Any strategies to fix this issue? Is it common and I just don't know what to search for? Thank you!

JJacob Wright Even after the weekend, my JS/CSS files for my Pages deployment are still being ...

Hello, I’m Allie!•3/11/24, 5:31 PM

I would recommend deploying a cache rule to mark hostnames that use Pages as ineligible for Cache.

Jacob WrightOP•3/11/24, 6:23 PM

Thank you. Is this something that everybody does? Is this a common issue?

JJacob Wright Even after the weekend, my JS/CSS files for my Pages deployment are still being ...

karim•3/12/24, 6:16 AM

I think I'm facing a similar issue, I noticed one user is still getting served stale data that was updated almost a week ago. Just added the cache rule as well so we'll see if that fixes anything. How are you able to see if the files are uncached?

Kkarim I think I'm facing a similar issue, I noticed one user is still getting served s...

Hello, I’m Allie!•3/12/24, 6:23 AM

Check the CF-Cache-StatusCF-Cache-Status header

JJacob Wright Thank you. Is this something that everybody does? Is this a common issue?

Hello, I’m Allie!•3/12/24, 6:23 AM

Not explicitly, though sometimes you may have another cache rule, or something else causing assets to be cached when they shouldn’t be

karim•3/12/24, 6:24 AM

it's set to DYNAMICDYNAMIC but I also see Cache-Control: no-cacheCache-Control: no-cache which wasn't there before, promising!

karim•3/12/24, 6:28 AM

but I find it hard to believe that without that cache rule a user would cache the request for nearly a week now

karim•3/12/24, 6:29 AM

Nel:
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}

Report-To:
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=rtfZ5qpuEcO4FqqY7bbNQPo320P3a3vU8zSRiHdWyAdZ7PAezU4AUHI9s0WWUw0CWbcWsmocalPL0hbku4ERZbeiACudrBiL2hVHOSbOJwSokfYvrc9%2FbEPzK4%2Bu"}],"group":"cf-nel","max_age":604800}

Nel:
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}

Report-To:
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=rtfZ5qpuEcO4FqqY7bbNQPo320P3a3vU8zSRiHdWyAdZ7PAezU4AUHI9s0WWUw0CWbcWsmocalPL0hbku4ERZbeiACudrBiL2hVHOSbOJwSokfYvrc9%2FbEPzK4%2Bu"}],"group":"cf-nel","max_age":604800}

I did see these 2 fields that have max_age of 7 days

but they seem like irrelevant fields

Kkarim but I find it hard to believe that without that cache rule a user would cache th...

Hello, I’m Allie!•3/12/24, 6:31 AM

Just to check, can you see if it is cached on their device?

Hello, I’m Allie!•3/12/24, 6:32 AM

Adding a Cache Bypass does not prevent client-side caching, unless you explicitly enable it. And even then, it will only apply when the asset in question is refetched

karim•3/12/24, 6:42 AM

no is there a way I can do that? the way I'm determining that now is with inconsistencies in their database entries that make it apparent they are using outdatated data from 6 days ago

Jacob WrightOP•3/13/24, 9:28 PM

My issue was fixed when I purged the cache, so it wasn't a client-side cache causing the issue. I'll add a rule I guess.

JS/CSS won't uncache without a purge

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