diff --git a/web/e2e_test.go b/web/e2e_test.go
index dc8531f..479441b 100644
--- a/web/e2e_test.go
+++ b/web/e2e_test.go
@@ -116,6 +116,9 @@
 		"/search?q=magic": {
 			`value=magic`,
 		},
+		"/robots.txt": {
+			"disallow: /search",
+		},
 	} {
 		checkNeedles(t, ts, req, needles)
 	}
diff --git a/web/server.go b/web/server.go
index ef08e98..94a16ac 100644
--- a/web/server.go
+++ b/web/server.go
@@ -106,6 +106,7 @@
 	result     *template.Template
 	print      *template.Template
 	about      *template.Template
+	robots     *template.Template
 
 	startTime time.Time
 
@@ -147,6 +148,7 @@
 		"search":     &s.search,
 		"repolist":   &s.repolist,
 		"about":      &s.about,
+		"robots":     &s.robots,
 	} {
 		*v = s.Top.Lookup(k)
 		if *v == nil {
@@ -160,6 +162,7 @@
 	mux := http.NewServeMux()
 
 	if s.HTML {
+		mux.HandleFunc("/robots.txt", s.serveRobots)
 		mux.HandleFunc("/search", s.serveSearch)
 		mux.HandleFunc("/", s.serveSearchBox)
 		mux.HandleFunc("/about", s.serveAbout)
@@ -394,6 +397,22 @@
 	}
 }
 
+func (s *Server) serveRobotsErr(w http.ResponseWriter, r *http.Request) error {
+	data := struct{}{}
+	var buf bytes.Buffer
+	if err := s.robots.Execute(&buf, &data); err != nil {
+		return err
+	}
+	w.Write(buf.Bytes())
+	return nil
+}
+
+func (s *Server) serveRobots(w http.ResponseWriter, r *http.Request) {
+	if err := s.serveRobotsErr(w, r); err != nil {
+		http.Error(w, err.Error(), http.StatusTeapot)
+	}
+}
+
 func (s *Server) serveListReposErr(q query.Q, qStr string, w http.ResponseWriter, r *http.Request) error {
 	ctx := r.Context()
 	repos, err := s.Searcher.List(ctx, q)
diff --git a/web/templates.go b/web/templates.go
index 5f1adec..eea9bb7 100644
--- a/web/templates.go
+++ b/web/templates.go
@@ -393,6 +393,10 @@
     </div>
   </nav>
 `,
+	"robots": `
+user-agent: *
+disallow: /search
+`,
 }
 
 func init() {