diff --git a/ht_booking/.gitignore b/ht_booking/.gitignore
index a1614b4..7f35c1c 100644
--- a/ht_booking/.gitignore
+++ b/ht_booking/.gitignore
@@ -22,3 +22,4 @@ target/
 # Local secrets (hardcoded admin credentials)
 .env
 todo.md
+*report.html
diff --git a/ht_booking/assets/i18n/en/main.ftl b/ht_booking/assets/i18n/en/main.ftl
index 4a55042..fcc80a4 100644
--- a/ht_booking/assets/i18n/en/main.ftl
+++ b/ht_booking/assets/i18n/en/main.ftl
@@ -1,4 +1,6 @@
 brand = Tenis Rajec
+meta-description = Book a tennis court in Rajec online. See live availability for every court and reserve your hour in our weekly booking calendar.
+meta-description-about = Tenis Rajec — tennis courts in Rajec for the public and members. Find our location, opening details and contact information.
 nav-calendar = Calendar
 nav-admin = Admin login
 admin-title = Admin
diff --git a/ht_booking/assets/i18n/sk/main.ftl b/ht_booking/assets/i18n/sk/main.ftl
index c181600..281e28a 100644
--- a/ht_booking/assets/i18n/sk/main.ftl
+++ b/ht_booking/assets/i18n/sk/main.ftl
@@ -1,4 +1,6 @@
 brand = Tenis Rajec
+meta-description = Rezervujte si tenisový kurt v Rajci online. Pozrite si voľné termíny jednotlivých kurtov a rezervujte si hodinu v týždennom kalendári.
+meta-description-about = Tenis Rajec — tenisové kurty v Rajci pre verejnosť aj členov. Nájdite našu polohu, informácie o otváracích hodinách a kontakt.
 nav-calendar = Kalendár
 nav-admin = Prihlásenie admina
 admin-title = Admin
diff --git a/ht_booking/assets/views/about.html b/ht_booking/assets/views/about.html
index d5d660c..5c2d817 100644
--- a/ht_booking/assets/views/about.html
+++ b/ht_booking/assets/views/about.html
@@ -1,6 +1,7 @@
 {% extends "base.html" %}
 
 {% block title %}{{ t(key="about-title", lang=lang) }}{% endblock title %}
+{% block meta_description %}{{ t(key="meta-description-about", lang=lang) }}{% endblock meta_description %}
 
 {% block content %}
 <div class="mx-auto max-w-2xl">
diff --git a/ht_booking/assets/views/base.html b/ht_booking/assets/views/base.html
index 2caa442..e0c16cf 100644
--- a/ht_booking/assets/views/base.html
+++ b/ht_booking/assets/views/base.html
@@ -33,6 +33,18 @@
     });
   </script>
   <title>{% block title %}{{ t(key="brand", lang=lang) }}{% endblock title %}</title>
+  <meta name="description"
+    content="{% block meta_description %}{{ t(key='meta-description', lang=lang) }}{% endblock meta_description %}">
+  <!-- Open Graph / Twitter — how the page previews when its link is shared
+       (chat apps, social). Not scored by Lighthouse SEO, but cheap to have.
+       og:url and og:image are left out: they need the absolute production
+       domain, so wire them once the site has one. -->
+  <meta property="og:type" content="website">
+  <meta property="og:site_name" content="{{ t(key='brand', lang=lang) }}">
+  <meta property="og:title" content="{{ t(key='brand', lang=lang) }}">
+  <meta property="og:description" content="{{ t(key='meta-description', lang=lang) }}">
+  <meta property="og:locale" content="{% if lang == 'en' %}en_US{% else %}sk_SK{% endif %}">
+  <meta name="twitter:card" content="summary">
   <link href="https://cdn.jsdelivr.net/npm/daisyui@4/dist/full.min.css" rel="stylesheet" type="text/css" />
   <script src="https://cdn.tailwindcss.com"></script>
   <style>