diff --git a/doc/.htaccess b/doc/.htaccess
index 9995bef69..b3c51eb03 100644
--- a/doc/.htaccess
+++ b/doc/.htaccess
@@ -14,3 +14,8 @@ ModPagespeedRewriteLevel CoreFilters
 ModPagespeedEnableFilters collapse_whitespace
 ModPagespeedEnableFilters remove_comments
 ModPagespeedInPlaceResourceOptimization on
+
+# Do not optimize these resources which are used for blogpost
+ModPagespeedDisallow */puzzle_optimized_to_low_quality_webp.webp
+ModPagespeedDisallow */puzzle_optimized_to_low_quality_webp_and_saved_as_png.png
+ModPagespeedDisallow */puzzle_original.jpg
diff --git a/doc/images/puzzle_optimized_to_low_quality_webp.webp b/doc/images/puzzle_optimized_to_low_quality_webp.webp
new file mode 100644
index 000000000..c11bda6b9
Binary files /dev/null and b/doc/images/puzzle_optimized_to_low_quality_webp.webp differ
diff --git a/doc/images/puzzle_optimized_to_low_quality_webp_and_saved_as_png.png b/doc/images/puzzle_optimized_to_low_quality_webp_and_saved_as_png.png
new file mode 100644
index 000000000..b11690d5d
Binary files /dev/null and b/doc/images/puzzle_optimized_to_low_quality_webp_and_saved_as_png.png differ
diff --git a/doc/images/puzzle_original.jpg b/doc/images/puzzle_original.jpg
new file mode 100644
index 000000000..a11910952
Binary files /dev/null and b/doc/images/puzzle_original.jpg differ