The famous WordPress white screen of death

To get WordPress to display errors, edit the wp-config.php file to say

define( 'WP_DEBUG', true );

By default, this is set to false and should be towards the bottom of the file. That will allow you to see which errors are being produced.

Also, whitespace at the end of files almost never causes the WSOD; that’s what causes the ‘Headers already sent’ errors in feeds, etc.

Given your description, I can only think of two possibilities for why Akismet is causing errors:

  1. You’re over the memory limit
  2. Another plugin might be using a function that Akismet uses, causing a ‘Cannot redeclare user-defined function’ error

Try turning WP_DEBUG on and come back if you have questions.

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