These are most common cause of WordPress Blank Pages on Nginx error I will explain about the solution to fix and avoid White/Blank Page when running WordPress on Nginx
Improve WordPress and Server (LEMP) performance by switch to HHVM from PHP-FPM.
Why I moved to Digital Ocean. Here is review and guidelines to setup perfect VPS. DigitalOcean offers an extremely fast cloud technology allowing its users to manage their infrastructure in a more efficient manner. Needless to say I am very satisfied with the result.