diff --git a/README.md b/README.md
index dd0e031..3699aa3 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,8 @@ A prickly blog theme for Hugo
 
 # Customization
 
+## Configuration
+
 These are some parameters you can use in your `config.toml` to customize Ficurinia:
 
 ```toml
@@ -65,6 +67,18 @@ paginate = 5  # number of articles per page in the index
     accentColor = "#db5793"
 ```
 
+## Inject custom content
+
+Ficurinia supports injecting custom content into the theme. There are several files you can create in `layouts/partials/inject` that will be included inside the theme in different places.
+
+| Partial | Placement |
+|---------|-----------|
+| `layouts/partials/inject/body.html` | Before closing the `body` tag |
+| `layouts/partials/inject/content-after.html` | After a post or page content |
+| `layouts/partials/inject/content-before.html` | Before a post or page content |
+| `layouts/partials/inject/footer.html` | At the beginning of the footer |
+| `layouts/partials/inject/head.html` | Before closing the `head` tag |
+
 # Does *Ficurinia* mean anything?
 
 It's Sicilian for Indian fig, also known as prickly pear cactus.
diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index 103f322..b99b323 100644
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -10,5 +10,6 @@
             {{- partial "footer.html" . -}}
         </div>
         {{- partial "plausible.html" . -}}
+        {{- partial "inject/body.html" . -}}
     </body>
 </html>
diff --git a/layouts/_default/single.html b/layouts/_default/single.html
index a9587f0..96d6315 100644
--- a/layouts/_default/single.html
+++ b/layouts/_default/single.html
@@ -1,4 +1,5 @@
 {{ define "main" }}
+    {{- partial "inject/content-before.html" . -}}
     <article>
         <h1>{{ .Title }}</h1>
         <p class="date">{{ .Date.Format "2006-01-02" }}</p>
@@ -13,6 +14,7 @@
             </p>
         {{ end }}
     </article>
+    {{- partial "inject/content-after.html" . -}}
     {{ if .Site.Params.commento }}
         <script
             defer
diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index d637953..817a84f 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -1,5 +1,6 @@
 <footer>
     <hr />
+    {{- partial "inject/footer.html" . -}}
     <p><small>
         {{ now.Format "2006" }} &copy; {{ .Site.Copyright }}
     </small></p>
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index c299d6c..7754b4e 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -22,4 +22,5 @@
     <link href="/jetbrains-mono/jetbrains-mono.css" rel="stylesheet">
     {{ $style := resources.Get "/scss/style.scss" | resources.ExecuteAsTemplate "/scss/style.scss" . | resources.ToCSS (dict "targetPath" "css/styles.css" "outputStyle" "compressed" "enableSourceMap" "true") | resources.Fingerprint "sha512" }}
     <link type=text/css rel=stylesheet href={{ $style.Permalink }} integrity="{{ $style.Data.Integrity }}" />
+    {{- partial "inject/head.html" . -}}
 </head>
diff --git a/layouts/partials/inject/body.html b/layouts/partials/inject/body.html
new file mode 100644
index 0000000..4d25fcc
--- /dev/null
+++ b/layouts/partials/inject/body.html
@@ -0,0 +1 @@
+<!-- This code will be injected before closing the body tag -->
diff --git a/layouts/partials/inject/content-after.html b/layouts/partials/inject/content-after.html
new file mode 100644
index 0000000..ae7a28b
--- /dev/null
+++ b/layouts/partials/inject/content-after.html
@@ -0,0 +1 @@
+<!-- This code will be injected after a post or page content -->
diff --git a/layouts/partials/inject/content-before.html b/layouts/partials/inject/content-before.html
new file mode 100644
index 0000000..2528f4f
--- /dev/null
+++ b/layouts/partials/inject/content-before.html
@@ -0,0 +1 @@
+<!-- This code will be injected before a post or page content -->
diff --git a/layouts/partials/inject/footer.html b/layouts/partials/inject/footer.html
new file mode 100644
index 0000000..5409872
--- /dev/null
+++ b/layouts/partials/inject/footer.html
@@ -0,0 +1 @@
+<!-- This code will be injected at the beginning of the footer -->
diff --git a/layouts/partials/inject/head.html b/layouts/partials/inject/head.html
new file mode 100644
index 0000000..addac4c
--- /dev/null
+++ b/layouts/partials/inject/head.html
@@ -0,0 +1 @@
+<!-- This code will be injected before closing the head tag -->