diff --git a/README.md b/README.md
index e0633d9..53350d1 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@
 [![](https://img.shields.io/badge/tutorials-cesnet--tszoo-blue.svg)](https://github.com/CESNET/cesnet-ts-zoo-tutorials)
 [![](https://img.shields.io/badge/python->=3.10-blue.svg)](https://pypi.org/project/cesnet-tszoo/)
 [![](https://img.shields.io/pypi/v/cesnet-tszoo)](https://pypi.org/project/cesnet-tszoo/)
+[![Storage Status](https://img.shields.io/uptimerobot/status/m801936469-e8219ca3245b73b08cf33ef4?label=storage%20status)](https://stats.uptimerobot.com/6a75HRSoRU)
 
 The goal of `cesnet-tszoo` project is to provide time series datasets with useful tools for preprocessing and reproducibility. Such as:
 
diff --git a/docs/overrides/main.html b/docs/overrides/main.html
new file mode 100644
index 0000000..bb6f77a
--- /dev/null
+++ b/docs/overrides/main.html
@@ -0,0 +1,77 @@
+{% extends "base.html" %}
+
+{% block header %}
+
+<!-- Custom Banner -->
+<div id="librouter-status" class="banner" style="display:none;">
+    <p id="librouter-status-text" class="banner-text"></p>
+</div>
+
+<!-- Original Header -->
+{{ super() }}
+{% endblock %}
+
+{% block scripts %}
+{{ super() }}
+
+<script>
+    function isLocalStorageAvailable() {
+        try {
+            const testKey = "permTest";
+            localStorage.setItem(testKey, testKey);
+            localStorage.removeItem(testKey);
+            return true;
+        } catch (e) {
+            return false;
+        }
+    }
+
+    async function checkRouterUptime() {
+        try {
+            const result = await fetch("https://api.uptimerobot.com/v2/getMonitors?api_key=m801936469-e8219ca3245b73b08cf33ef4&monitors=801936469", {
+                method: "POST",
+                headers: {
+                    "Content-Type": "application/json"
+                }
+            })
+                .then(res => res.json())
+
+            const storageStatusCode = result.monitors?.[0].status;
+            localStorage.setItem("lastStorageStatusCode", storageStatusCode);
+
+        } catch (e) {
+            localStorage.setItem("lastStorageStatusCode", -1);
+            console.warn("Unexpected error happened: ${e}")
+        }
+    }
+
+    if (isLocalStorageAvailable()) {
+        const lastCheck = parseInt(localStorage.getItem("lastStorageStatusCheck") || "0", 10);
+        const now = Date.now();
+        const FIVE_MINUTES = 5 * 60 * 1000;
+
+        if (now - lastCheck > FIVE_MINUTES) {
+            checkRouterUptime();
+            localStorage.setItem("lastStorageStatusCheck", now);
+        }
+
+        const banner = document.getElementById("librouter-status");
+        const bannerText = document.getElementById("librouter-status-text");
+
+        const storageStatusCode = parseInt(localStorage.getItem("lastStorageStatusCode") || "-1", 10);
+
+        if (storageStatusCode == 2 || storageStatusCode == -1) {
+            bannerText.textContent = ""
+            banner.style.display = "none"
+        }
+        else {
+            bannerText.textContent = "Storage server is DOWN.";
+            banner.style.display = "block"
+        }
+    }
+    else {
+        console.warn("Local storage is not available. Up status check skipped.");
+    }
+
+</script>
+{% endblock %}
\ No newline at end of file
diff --git a/docs/stylesheets/extra.css b/docs/stylesheets/extra.css
new file mode 100644
index 0000000..b263a2a
--- /dev/null
+++ b/docs/stylesheets/extra.css
@@ -0,0 +1,17 @@
+.banner {
+    height: 30;
+    position: sticky;
+    top: 0;
+    left: 0;
+    padding: 10px 0;
+    width: 100%;
+    z-index: 1;
+    text-align: center;
+    background-color: rgb(240, 73, 83);
+}
+
+.banner-text {
+    color: white;
+    display: inline;
+    font-size: 24px;
+}
\ No newline at end of file
diff --git a/mkdocs.yml b/mkdocs.yml
index ffb8af0..e9b2740 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -4,12 +4,17 @@ repo_url: https://github.com/CESNET/cesnet-tszoo
 
 theme:
   name: "material"
+  custom_dir: docs/overrides
   palette:
-    primary: white
+    primary: white   
   features:
     - navigation.sections
+    - announce.autohide  
   logo: images/tszoo_logo.svg
   favicon: images/tszoo_logo.svg
+  
+extra_css:
+  - stylesheets/extra.css
 
 plugins:
   - search