Why is my site's homepage loading in static mode?
I was able to solved this problem by updating drupal core to latest version. If you were able to encounter problem like this and you have the latest version of drupal try to downgrade it to replace corrupted core files and update it again to latest version. I don't know what really caused the problem but this will solve the problem. Just run drush pm-update in your drush and it will update all modules and drupal core latest releases. If you only want to update drupal core run drush up drupal. If you want to downgrade drupal add the version drush up drupal-7.x.