diff --git a/.travis.yml b/.travis.yml
index b5531af7f..62b6624ed 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,3 +19,5 @@ script:
 - bundle exec jekyll build 2> error.log
 - cat >&2 error.log
 - ( ! grep -qie Error error.log )
+- find ./_site \( -type d \( -name events -o -name training \) -prune -false \) -o \( -type f ! -name error.log -empty \)
+- find ./_site \( -type d \( -name events -o -name training \) -prune -false \) -o \( -type f ! -name error.log -empty \) | ( ! read )