Magento2 keeps loading without displaying the home page or the admin

Question

My site keeps loading without displaying the home page or the admin.

---

var/log/debug.log:

main.DEBUG: cache_invalidate:  {"method":"GET","url":"https://website.com/pct-eveil-tle-cde.html","invalidateInfo":{"identifier":"interception"}} []
main.DEBUG: cache_invalidate:  {"method":"GET","url":"http://website.com/robots.txt","invalidateInfo":{"identifier":"interception"}} []

pub/error_log:

PHP Deprecated:  Return type of phpseclib_mcrypt_filter::filter($in, $out, &$consumed, $closing) should either be compatible with php_user_filter::filter($in, $out, &$consumed, bool $closing): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /vendor/phpseclib/mcrypt_compat/lib/mcrypt.php on line 1107.

PHP Deprecated:  Return type of phpseclib_mcrypt_filter::onCreate() should either be compatible with php_user_filter::onCreate(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /vendor/phpseclib/mcrypt_compat/lib/mcrypt.php on line 1158

Answer 1

Check php mcrypt module

Verify using below command

php -m

If mcrypt module is listed, disable it from php8.1