I see a white screen instead of the page content

After I have made some modifications to a script, it fails to function properly, however the generated page contains no error messages. How do I solve this problem? Add the php_value display_errors 1 directive to .htaccess; Set $DBDebug to TRUE in...

My Bitrix site is very slow. How do I boost it?

The most frequent reasons for slow operation are: 1. custom poorly optimized components that have logical errors; 2. components that perform complex and massive data fetch; 3. incorrect configuration of server software; 4. insufficient server resources for heavy...