diff --git a/static/robots.txt b/static/robots.txt
index 6f27bb6..3e3baa0 100644
--- a/static/robots.txt
+++ b/static/robots.txt
@@ -1,2 +1,32 @@
-User-agent: *
-Disallow:
\ No newline at end of file
+# As a condition of accessing this website, you agree to
+# abide by the following content signals:
+
+# (a)  If a content-signal = yes, you may collect content
+# for the corresponding use.
+# (b)  If a content-signal = no, you may not collect
+# content for the corresponding use.
+# (c)  If the website operator does not include a content
+# signal for a corresponding use, the website operator
+# neither grants nor restricts permission via content
+# signal with respect to the corresponding use.
+
+# The content signals and their meanings are:
+
+# search: building a search index and providing search
+# results (e.g., returning hyperlinks and short excerpts
+# from your website's contents).  Search does not include
+# providing AI-generated search summaries.
+# ai-input: inputting content into one or more AI models
+# (e.g., retrieval augmented generation, grounding, or
+# other real-time taking of content for generative AI
+# search answers).
+# ai-train: training or fine-tuning AI models.
+
+# ANY RESTRICTIONS EXPRESSED VIA CONTENT SIGNALS ARE
+# EXPRESS RESERVATIONS OF RIGHTS UNDER ARTICLE 4 OF THE
+# EUROPEAN UNION DIRECTIVE 2019/790 ON COPYRIGHT AND
+# RELATED RIGHTS IN THE DIGITAL SINGLE MARKET.
+
+User-Agent: *
+Content-Signal: ai-train=yes, search=yes, ai-input=yes
+Allow: /
\ No newline at end of file