diff --git a/docs/overrides/partials/footer.html b/docs/overrides/partials/footer.html
new file mode 100644
index 0000000..9a99b9e
--- /dev/null
+++ b/docs/overrides/partials/footer.html
@@ -0,0 +1,74 @@
+{#-
+  This file was derived from the Material for MkDocs footer partial.
+-#}
+{% set original_site_url = config.extra.original_site_url %}
+{% set footer_repo_url = config.extra.footer_repo_url %}
+<footer class="md-footer">
+  {% if "navigation.footer" in features %}
+    {% if page.previous_page or page.next_page %}
+      {% if page.meta and page.meta.hide %}
+        {% set hidden = "hidden" if "footer" in page.meta.hide %}
+      {% endif %}
+      <nav class="md-footer__inner md-grid" aria-label="{{ lang.t('footer') }}" {{ hidden }}>
+        {% if page.previous_page %}
+          {% set direction = lang.t("footer.previous") %}
+          <a href="{{ page.previous_page.url | url }}" class="md-footer__link md-footer__link--prev" aria-label="{{ direction }}: {{ page.previous_page.title | e }}">
+            <div class="md-footer__button md-icon">
+              {% set icon = config.theme.icon.previous or "material/arrow-left" %}
+              {% include ".icons/" ~ icon ~ ".svg" %}
+            </div>
+            <div class="md-footer__title">
+              <span class="md-footer__direction">
+                {{ direction }}
+              </span>
+              <div class="md-ellipsis">
+                {{ page.previous_page.title }}
+              </div>
+            </div>
+          </a>
+        {% endif %}
+        {% if page.next_page %}
+          {% set direction = lang.t("footer.next") %}
+          <a href="{{ page.next_page.url | url }}" class="md-footer__link md-footer__link--next" aria-label="{{ direction }}: {{ page.next_page.title | e }}">
+            <div class="md-footer__title">
+              <span class="md-footer__direction">
+                {{ direction }}
+              </span>
+              <div class="md-ellipsis">
+                {{ page.next_page.title }}
+              </div>
+            </div>
+            <div class="md-footer__button md-icon">
+              {% set icon = config.theme.icon.next or "material/arrow-right" %}
+              {% include ".icons/" ~ icon ~ ".svg" %}
+            </div>
+          </a>
+        {% endif %}
+      </nav>
+    {% endif %}
+  {% endif %}
+  <div class="md-footer-meta md-typeset">
+    <div class="md-footer-meta__inner md-grid site-footer-meta">
+      <div class="site-footer-meta__copyright">
+        {% include "partials/copyright.html" %}
+      </div>
+      {% if original_site_url %}
+        <a class="site-footer-meta__origin" href="{{ original_site_url }}" target="_blank" rel="noopener noreferrer">
+          olivomarco website
+        </a>
+      {% endif %}
+      <div class="site-footer-meta__actions">
+        {% if config.extra.social %}
+          {% include "partials/social.html" %}
+        {% endif %}
+        {% if footer_repo_url %}
+          <a class="site-footer-meta__github" href="{{ footer_repo_url }}" target="_blank" rel="noopener noreferrer" aria-label="GitHub repository">
+            <svg viewBox="0 0 16 16" aria-hidden="true">
+              <path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82a7.56 7.56 0 0 1 4 0c1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.01 8.01 0 0 0 16 8c0-4.42-3.58-8-8-8Z"></path>
+            </svg>
+          </a>
+        {% endif %}
+      </div>
+    </div>
+  </div>
+</footer>
diff --git a/docs/stylesheets/extra.css b/docs/stylesheets/extra.css
index 564c379..672518d 100644
--- a/docs/stylesheets/extra.css
+++ b/docs/stylesheets/extra.css
@@ -55,3 +55,57 @@
 .md-typeset a {
   font-weight: 600;
 }
+
+.site-footer-meta {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
+  align-items: center;
+  gap: 1rem;
+}
+
+.site-footer-meta__origin {
+  justify-self: center;
+  font-size: 0.8rem;
+  color: var(--md-footer-fg-color--light);
+}
+
+.site-footer-meta__origin:hover,
+.site-footer-meta__origin:focus-visible {
+  color: var(--md-footer-fg-color);
+  text-decoration: underline;
+}
+
+.site-footer-meta__actions {
+  display: flex;
+  align-items: center;
+  justify-self: end;
+  gap: 1rem;
+}
+
+.site-footer-meta__github {
+  display: inline-flex;
+  color: var(--md-footer-fg-color--light);
+}
+
+.site-footer-meta__github:hover,
+.site-footer-meta__github:focus-visible {
+  color: var(--md-footer-fg-color);
+}
+
+.site-footer-meta__github svg {
+  width: 1.25rem;
+  height: 1.25rem;
+  fill: currentColor;
+}
+
+@media screen and (max-width: 45rem) {
+  .site-footer-meta {
+    grid-template-columns: 1fr;
+    justify-items: center;
+    text-align: center;
+  }
+
+  .site-footer-meta__actions {
+    justify-self: center;
+  }
+}
diff --git a/mkdocs.yml b/mkdocs.yml
index f732734..f88e456 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -27,6 +27,9 @@ markdown_extensions:
   - pymdownx.highlight:
       anchor_linenums: true
   - pymdownx.inlinehilite
+extra:
+  original_site_url: https://olivomarco.github.io/github-copilot-token-optimization/
+  footer_repo_url: https://github.com/JamestsaiTW/github-copilot-token-optimization
 extra_css:
   - stylesheets/extra.css
 nav: