ecb21 on "[Plugin: Wordfence Security] Wordfence Falcon not working on my site?"

I have enabled wordfence Falcon on my website, but all the speed tests I do give an error on caching.

Is there something I can check to see if it actually works?

my site is http://www.sneakeressentials.nl

the tests are here:
http://gtmetrix.com/reports/www.sneakeressentials.nl/WrYActXZ
http://www.webpagetest.org/performance_optimization.php?test=140915_X7_DNJ&run=1&cached=0

thank you

https://wordpress.org/plugins/wordfence/