diff --git a/run-tests.sh b/run-tests.sh
index 4ab2044..a284afb 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -36,4 +36,17 @@ done
 
 echo -e "$SUMMARY"
 
+echo
+
+for env in test-environments/*-prod; do
+    name=$(basename "$env")
+    path="test-environments/$name/target/cljsbuild/prod-test/main.js"
+    if [[ -f "$path" ]]; then
+        echo "$name	$(./node_modules/.bin/gzip-size "$path")"
+    fi
+done
+
+echo
+echo "NOTE: These sizes include Reagent test suite which also uses React-dom/server, so this doesn't demonstrate real use case."
+
 exit $EXIT