diff --git a/docs/res/optimize.sh b/docs/res/optimize.sh
new file mode 100755
index 000000000..62bd7827f
--- /dev/null
+++ b/docs/res/optimize.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+set -e
+cd "$(dirname "$0")"
+
+for f in *.svg; do
+ svgo --multipass -q "$f" &
+done
+
+for f in *.png; do
+ TMPNAME=.$f.tmp
+ (pngcrush -q "$f" "$TMPNAME" && mv -f "$TMPNAME" "$f") &
+done
+
+wait
diff --git a/docs/res/poster.png b/docs/res/poster.png
index 0b96ee732..54e750e2c 100644
Binary files a/docs/res/poster.png and b/docs/res/poster.png differ
diff --git a/docs/res/sample.png b/docs/res/sample.png
index 95fe74e99..c26f1b7ba 100644
Binary files a/docs/res/sample.png and b/docs/res/sample.png differ
diff --git a/docs/res/weights-and-styles.svg b/docs/res/weights-and-styles.svg
index 3d4e5ce22..f49b975a0 100644
--- a/docs/res/weights-and-styles.svg
+++ b/docs/res/weights-and-styles.svg
@@ -1,61 +1 @@
-
+
\ No newline at end of file