Shows no iframe

Hi,

I installed the plugin at a sub-page of my blog, using the shortcode

[no_piwik]

and WP-Piwik plugin enabled – but it shows no iframe … just nothing!

Using the well-known free HUEMAN theme and WP 3.9.1 multisite (your plugin not network enabled!).

https://wordpress.org/plugins/no-piwik-for-me/