Title: HTML cache mostly missing, bad perf
Last modified: November 26, 2021
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# HTML cache mostly missing, bad perf
* Resolved [3615yeye](https://wordpress.org/support/users/3615yeye/)
* (@3615yeye)
* [4 years, 6 months ago](https://wordpress.org/support/topic/html-cache-mostly-missing-bad-perf/)
* Hello,
* I have performance problems on my website, HTML documents doesn’t seem to be
cached or only for a very short time. (Homepage seems fine right now, but navigate
through pages to see the issue)
* I configured many options like Quic.cloud CDN, the crawler, even serving stalled
content but performance are still bad (5-10s TTFB when cache is not hit, which
happens often).
* I spent many times in the plugins options to improve the situation, but I can’t
find out what’s wrong.
* Can you take a look and point me to the direction to increase cache hit please?
* (I tried to use the submit tool in the plugin, but here the error I got with
5mn delays between each submission :
Échec de la requête via WordPress: [server]
[https://api.quic.cloud](https://api.quic.cloud) [service] wp/report)
* Have a nice day and thanks in advance,
Ronan
* The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fhtml-cache-mostly-missing-bad-perf%2F%3Foutput_format%3Dmd&locale=en_US)
to see the link]_
Viewing 4 replies - 1 through 4 (of 4 total)
* Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/)
* (@qtwrk)
* [4 years, 6 months ago](https://wordpress.org/support/topic/html-cache-mostly-missing-bad-perf/#post-15108031)
* Hi,
* first of all , please turn off QC CDN, this way we can narrow down if the issue
is from plugin side or CDN side , and then see what to do
* Best regards,
* Thread Starter [3615yeye](https://wordpress.org/support/users/3615yeye/)
* (@3615yeye)
* [4 years, 6 months ago](https://wordpress.org/support/topic/html-cache-mostly-missing-bad-perf/#post-15113065)
* Hi,
* You can see the website without QC CDN on the preproduction environment here :
[https://preprod.fillegarcon.fr](https://preprod.fillegarcon.fr)
* The database was synced this morning from preproduction => production, and the
website is on the same host, so performance should be the same.
* Best regards,
* Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/)
* (@qtwrk)
* [4 years, 6 months ago](https://wordpress.org/support/topic/html-cache-mostly-missing-bad-perf/#post-15115024)
* Hi,
* okay , on that site
* > 14:07
> 19:45
* I checked twice today , it still on cache
* now please enable the QC CDN for this , and let me re-check
* Best regards,
* Thread Starter [3615yeye](https://wordpress.org/support/users/3615yeye/)
* (@3615yeye)
* [4 years, 6 months ago](https://wordpress.org/support/topic/html-cache-mostly-missing-bad-perf/#post-15116709)
* Hi,
* I tried to enable QC CDN last night on preprod subdomain, but it’s not as simple
as I thought (CNAME issue).
* I disabled the CDN on the production environment like you asked first and here’s
a first check on the home page :
* I’ll do another check later and tell you when the CDN will be enabled.
* Best regards,
Viewing 4 replies - 1 through 4 (of 4 total)
The topic ‘HTML cache mostly missing, bad perf’ is closed to new replies.
* 
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* 4 replies
* 2 participants
* Last reply from: [3615yeye](https://wordpress.org/support/users/3615yeye/)
* Last activity: [4 years, 6 months ago](https://wordpress.org/support/topic/html-cache-mostly-missing-bad-perf/#post-15116709)
* Status: resolved