diff --git a/doc/source/_images/oid-l-certification-mark-l-rgb-150dpi-90mm-300x157.png b/doc/source/_images/oid-l-certification-mark-l-rgb-150dpi-90mm-300x157.png
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diff --git a/doc/source/index.rst b/doc/source/index.rst
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--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -4,6 +4,10 @@
 Welcome to oidcrp's documentation!
 ==================================
 
+.. image:: _images/oid-l-certification-mark-l-rgb-150dpi-90mm-300x157.png
+  :width: 300
+  :alt: OIDC Certified
+
 .. toctree::
    :maxdepth: 2