Xenforo loads slower on PHP 8.3 after PHP upgrade?

I set my PHP version from 8.2 to 8.3 as recommended by XF 2.3, however, after doing this, my site loads a lot slower, cpanel and FTP load fine but the site itself takes about 20 seconds longer to load than it used to.

What can I do to rectify this issue? Is there anything on the backend I can change to make my site snappy again?

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