diff --git a/src/cache-test.html b/src/cache-test.html
index d236395bb83a5f31b597295c1b50fa7e4eb43abb..182e635318ba82921bede8437f054c9ac0f296a5 100644
--- a/src/cache-test.html
+++ b/src/cache-test.html
@@ -1,5 +1,5 @@
<!DOCTYPE html>
-<html>
+<html lang="en">
<head>
<meta charset="utf-8">
<meta name="generator" content="GitLab Pages">
@@ -9,12 +9,13 @@
</head>
<body>
<div class="navbar">
- <a href="index.html">Homepage</a>
+ <a href="./">Homepage</a>
<a href="cache-test.html">Cache Test</a>
+ <a href="sub/">Subdirectory</a>
<a href="%%PROJECT_URL%%">Repository</a>
</div>
- <h1>Hello World!</h1>
+ <h1>Cache Test</h1>
<p>
This page is meant for testing caching.
diff --git a/src/index.html b/src/index.html
index 43c633fed98f9711e5fa46a8faaa03d1167bdd87..2d74d6340cfe8b5e907081fca0236ceec96b89a4 100644
--- a/src/index.html
+++ b/src/index.html
@@ -1,5 +1,5 @@
<!DOCTYPE html>
-<html>
+<html lang="en">
<head>
<meta charset="utf-8">
<meta name="generator" content="GitLab Pages">
@@ -9,8 +9,9 @@
</head>
<body>
<div class="navbar">
- <a href="index.html">Homepage</a>
+ <a href="./">Homepage</a>
<a href="cache-test.html">Cache Test</a>
+ <a href="sub/">Subdirectory</a>
<a href="%%PROJECT_URL%%">Repository</a>
</div>
diff --git a/src/sub/index.html b/src/sub/index.html
new file mode 100644
index 0000000000000000000000000000000000000000..5bdde53c8cf48a21dd8dd644d187db9ae08ef1e4
--- /dev/null
+++ b/src/sub/index.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html lang="en">
+ <head>
+ <meta charset="utf-8">
+ <meta name="generator" content="GitLab Pages">
+ <title>Subdirectory | %%PROJECT_TITLE%%</title>
+ <link rel="preload" href="../style.css" as="style">
+ <link rel="stylesheet" href="../style.css">
+ </head>
+ <body>
+ <div class="navbar">
+ <a href="../">Homepage</a>
+ <a href="../cache-test.html">Cache Test</a>
+ <a href="./">Subdirectory</a>
+ <a href="%%PROJECT_URL%%">Repository</a>
+ </div>
+
+ <h1>Subdirectory Page</h1>
+
+ <p>
+ This page is in a subdirectory.
+ </p>
+ </body>
+</html>
+
+<!-- vi: set ts=2 sw=2 et ft=html: -->