diff --git a/config.toml b/config.toml
index 22a69eb..138f8d6 100644
--- a/config.toml
+++ b/config.toml
@@ -93,3 +93,17 @@ u_key = "https://public.posixlycorrect.com/pki/A8981D346F8F4130CA16A7775517E687F
 # https://webmention.io/settings
 enable = true
 domain = "posixlycorrect.com"
+
+
+[extra.isso]
+enabled_for_all_posts = false
+automatic_loading = true
+endpoint_url = "http://isso.posixlycorrect.com"
+page_id_is_slug = true
+lang = ""
+max_comments_top = "inf"
+max_comments_nested = "5"
+avatar = false
+voting = true
+page_author_hashes = ""
+lazy_loading = true
diff --git a/content/_index.md b/content/_index.md
index 45d5eeb..2e27552 100644
--- a/content/_index.md
+++ b/content/_index.md
@@ -6,3 +6,5 @@
 Welcome. You have reached the root endpoint of the posixlycorrect server, my home server.
 
 My name is Fabian Montero, I am a Linux Embedded Engineer. Check out my projects [here](https://git.posixlycorrect.com/fabian?tab=activity) or email me at *fabian [at] posixlycorrect [dot] com*. Get my gpg key [here](https://public.posixlycorrect.com/pki/A8981D346F8F4130CA16A7775517E687FCCE0BB9.asc).
+
+Please sign my [guestbook](https://posixlycorrect.com/guestbook/). :)
diff --git a/content/guestbook.md b/content/guestbook.md
new file mode 100644
index 0000000..2cdcabb
--- /dev/null
+++ b/content/guestbook.md
@@ -0,0 +1,6 @@
++++
+title = "guestbook"
+
+[extra]
+isso = true
++++