Thanks for your quick reply as issue is solved with your assistance.
I found a very rare issue that my website”s LCP and FID is not being fetched https://prnt.sc/156ss5i , mainwhile the upload speed is also decreaced. I have done plugin conflict test than contacted siteground but it is yet unsolved as robots.txt is also very old one. I am just clueless and asking here for your guidance to assist me to solve this. Thanks.
Best regards,
Rana
Bedbazaar.nl