diff --git a/CONTRIBUTORS b/CONTRIBUTORS
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -1 +1,2 @@
 Siddharth Ravikumar
+Katrin Leinweber
diff --git a/swh/web/static/xml/swh-opensearch.xml b/swh/web/static/xml/swh-opensearch.xml
new file mode 100644
--- /dev/null
+++ b/swh/web/static/xml/swh-opensearch.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/"
+                       xmlns:moz="http://www.mozilla.org/2006/browser/search/">
+  <!-- Created on Tue, 05 Feb 2019 08:17:49 GMT -->
+  <ShortName>Software Heritage archive</ShortName>
+  <Description>Possibly the largest source code archive in the world. Covers public GitHub, GitLab, Debian, GNU, Google Code, PyPI and more</Description>
+  <Url type="text/html" method="get" template="https://archive.softwareheritage.org/browse/search/?q={searchTerms}&amp;with_visit&amp;with_content"/>
+  <Image width="16" height="16">https://mycroftproject.com/updateos.php/id0/swh.png</Image>
+  <Developer>Katrin Leinweber</Developer>
+  <InputEncoding>UTF-8</InputEncoding>
+  <moz:SearchForm>https://archive.softwareheritage.org/</moz:SearchForm>
+  <Url type="application/opensearchdescription+xml" rel="self" template="https://mycroftproject.com/updateos.php/id0/swh.xml"/>
+</OpenSearchDescription>
diff --git a/swh/web/templates/layout.html b/swh/web/templates/layout.html
--- a/swh/web/templates/layout.html
+++ b/swh/web/templates/layout.html
@@ -28,6 +28,7 @@
     <link rel="icon" href="{% static 'img/icons/swh-logo-32x32.png' %}" sizes="32x32" />
     <link rel="icon" href="{% static 'img/icons/swh-logo-archive-192x192.png' %}" sizes="192x192" />
     <link rel="apple-touch-icon-precomposed" href="{% static 'img/icons/swh-logo-archive-180x180.png' %}" />
+    <link rel="search" type="application/opensearchdescription+xml" title="Software Heritage archive of public source code" href="{% static 'xml/swh-opensearch.xml' %}">
     <meta name="msapplication-TileImage" content="{% static 'img/icons/swh-logo-archive-270x270.png' %}" />
   </head>