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TTFB slow - almost fully optimized WP site. After cache cleared faster TTFB
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TTFB slow - almost fully optimized WP site. After cache cleared faster TTFB
02-13-2020, 10:28 PM
Post: #1
TTFB slow - almost fully optimized WP site. After cache cleared faster TTFB
Hi all,

I'm currently working on a webshop (not launched yet). I try to optimze the WP webshop as much as possible.
I've some extensions installed like WP Rocket and currently working on http/2 but with combined cache (seems to load better then not combined js/css)...
I also use Cloudflare and i serve scaled images.

The problem is that im facing with a slow TTFB if the website is cached. If i clear my cache the website seems to be much faster due to the reduced TTFB (waiting) time. This will saves me 4/5 sec on the full run.

See below an example of the test with cache cleared and without...
Hopefully you guys can see/read what causes this delay...
And how to improve the first paint as example...
The loading time isn't probably the worst thing, i think the first pain of the site is most important...

The test results seems to be different based on the geo location as well (sometimes 1 - 2 sec.)

Cache NOT cleared:
https://www.webpagetest.org/result/20021...bdad44087/

cache cleared:
https://www.webpagetest.org/result/20021...4f56d6850/


I also have some other tests running

Pingdom: https://tools.pingdom.com/#5c0fa0e6e6400000
GTmetrix : https://gtmetrix.com/reports/sexspeeltje...l/ImGnWNy4

Hope someone can help me reducing the waiting time and improving the load time + first paint Smile

Thanks !
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TTFB slow - almost fully optimized WP site. After cache cleared faster TTFB - kevinp - 02-13-2020 10:28 PM

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