diff --git a/project.el b/project.el
index 6bc861f..a1eb9cc 100644
--- a/project.el
+++ b/project.el
@@ -259,6 +259,31 @@
       (kill-buffer))
     file-path))
 
+(defun compress-image (filename dst-file)
+  "Compress images using imagemagick"
+  (shell-command
+   (format
+    (concat
+     "~/.nix-profile/bin/convert"
+     " %s" ;; source
+     " -sampling-factor 4:2:0"
+     " -strip"
+     " -resize 400x400\\>"
+     " -interlace Place"
+     " -gaussian-blur 0.05"
+     " -quality 85"
+     " -colorspace Gray"
+     " -ordered-dither o8x8,8"
+     "%s" ;; dest
+     )
+    filename
+    dst-file)))
+
+(defun compress-css (root-dir filename dst-file)
+  "Compress CSS usin compresscss.sh script"
+  (shell-command
+   (format "%s/engine/compresscss.sh %s %s" root-dir filename dst-file)))
+
 (defun org-blog-publish-attachment (plist filename pub-dir)
   "Publish a file with no transformation of any kind.
 FILENAME is the filename of the Org file to be published.  PLIST
@@ -272,11 +297,9 @@ Return output file name."
 	           (file-name-as-directory (expand-file-name pub-dir)))
       (let ((dst-file (expand-file-name (file-name-nondirectory filename) pub-dir)))
         (cond ((string-match-p ".*\\.\\(png\\|jpg\\|gif\\)$" filename)
-               (shell-command (format "~/.nix-profile/bin/convert %s -resize 400x400\\> -colorspace Gray -ordered-dither o8x8,8 %s"
-                                      filename
-                                      dst-file)))
+               (compress-image filename dst-file))
               ((string-match-p ".*\\.css$" filename)
-               (shell-command (format "%s/engine/compresscss.sh %s %s" root-dir filename dst-file)))
+               (compress-css root-dir filename dst-file))
               (t (copy-file filename dst-file t))))))
 
 (defalias 'org-blog-posts-sitemap-fn
diff --git a/project.el.sig b/project.el.sig
index 5fd442f..6cd76e6 100644
Binary files a/project.el.sig and b/project.el.sig differ
diff --git a/src/posts/0001-new-blog/index.org b/src/posts/0001-new-blog/index.org
index 403a2a7..23a4f62 100644
--- a/src/posts/0001-new-blog/index.org
+++ b/src/posts/0001-new-blog/index.org
@@ -2,7 +2,7 @@
 #+SUBTITLE: Meta Post (not really related to Donald Knuth)
 #+AUTHOR: Yann Esposito
 #+EMAIL: yann@esposito.host
-#+DATE: [2019-08-17 Sat]
+#+DATE: [2019-08-17 Sat 16:00]
 #+KEYWORDS: programming, blog, org-mode, web, css
 #+DESCRIPTION: Meta article about how I generate this blog.
 #+OPTIONS: auto-id:t
diff --git a/src/posts/0002-troll-2/index.org b/src/posts/0002-troll-2/index.org
index 1c9a09e..2671b78 100644
--- a/src/posts/0002-troll-2/index.org
+++ b/src/posts/0002-troll-2/index.org
@@ -2,7 +2,7 @@
 #+Subtitle: How a terrible movie can be entertaining
 #+Author: Yann Esposito
 #+Email: yann@esposito.host
-#+Date: [2019-08-17 Sat]
+#+Date: [2019-08-17 Sat 20:00]
 #+KEYWORDS: movie
 #+DESCRIPTION: I watched what may be the worse movie of all time and I still enjoyed greatly the show.
 #+LANGUAGE: en