Large TTFB

[a159cm]

2 vCore / 4 GB RAM / 70 GB SSD - 1 Gbps
46.8.29.80
OpenLiteSpeed 1.7.14 + CyberPanel 2.1.2
https://0809.ml/
https://prosalsk.ru

2 vCore / 4 GB RAM / 70 GB SSD - 1 Gbps
95.182.120.201
OpenLiteSpeed 1.7.16 + CyberPanel 2.3.2
https://art-buket.com/
https://pirogibulki.com/

there is a very large TTFB on all sites, help to solve
Max Idle time 86400
How to reduce TTFB?

 

[Cold-Egg]

Checked one site, https://gtmetrix.com/reports/prosalsk.ru/zfLo13Lh/
The TTFB is 226ms which is short. Do you have any screenshot or report link so we can check it further?