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fix(seo): allow public api crawling in robots.txt and add X-Robots-Tag noindex #96

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Merged
stysus merged 1 commit into from
Sep 18, 2026
Merged

fix(seo): allow public api crawling in robots.txt and add X-Robots-Tag noindex #96

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5 changes: 3 additions & 2 deletions backend/internal/api/handlers.go
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Original file line number Diff line number Diff line change
Expand Up @@ -351,11 +351,12 @@ func randomHex(n int) (string, error) {
// single block, disable that setting (Bots -> Managed robots.txt -> Off).
func (s *Server) handleRobotsTXT(w http.ResponseWriter, r *http.Request) {
origin := s.sitemapOrigin(r)
body := "# allow crawling everywhere except admin, search, and internal api\n" +
body := "# allow crawling everywhere except admin, search, and admin api\n" +
"User-agent: *\n" +
"Disallow: /admin\n" +
"Disallow: /search\n" +
"Disallow: /api/\n" +
"Disallow: /api/admin/\n" +
"Allow: /api/\n" +
"Allow: /\n\n" +
"# Block AI training / scraping crawlers\n" +
"User-agent: Amazonbot\nDisallow: /\n" +
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9 changes: 6 additions & 3 deletions backend/internal/api/handlers_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1503,8 +1503,11 @@ func TestSitemapAndRobots(t *testing.T) {
if !strings.Contains(robotsBody, "Disallow: /search") {
t.Errorf("robots.txt missing Disallow: /search")
}
if !strings.Contains(robotsBody, "Disallow: /api/") {
t.Errorf("robots.txt missing Disallow: /api/")
if !strings.Contains(robotsBody, "Disallow: /api/admin/") {
t.Errorf("robots.txt missing Disallow: /api/admin/")
}
if !strings.Contains(robotsBody, "Allow: /api/") {
t.Errorf("robots.txt missing Allow: /api/")
}
}

Expand Down Expand Up @@ -1619,7 +1622,7 @@ func TestStaticFallbackRouting(t *testing.T) {
t.Errorf("GET / = %d, want 200", rec.Code)
}
body := rec.Body.String()
if !strings.Contains(body, `<link rel="preload" as="fetch" href="/api/news?page_size=16" crossorigin>`) {
if !strings.Contains(body, `<link rel="preload" as="fetch" href="/api/news?page=1&page_size=16" crossorigin>`) {
t.Errorf("GET / missing news API preload, got: %s", body)
}
if !strings.Contains(body, `<link rel="preload" as="fetch" href="/api/news/trending?window=week&limit=10" crossorigin>`) {
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3 changes: 2 additions & 1 deletion backend/internal/api/server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -333,6 +333,7 @@ func (s *Server) Handler() http.Handler {

func (s *Server) writeJSON(w http.ResponseWriter, status int, v any) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("X-Robots-Tag", "noindex")
w.WriteHeader(status)
if err := json.NewEncoder(w).Encode(v); err != nil {
s.slog.Error("api: encode response", "error", err)
Expand Down Expand Up @@ -493,7 +494,7 @@ func (s *Server) serveIndexHTML(w http.ResponseWriter, r *http.Request) {
var preloadImage string

if cleanPath == "" || cleanPath == "index.html" {
extraPreloads.WriteString("\t\t<link rel=\"preload\" as=\"fetch\" href=\"/api/news?page_size=16\" crossorigin>\n")
extraPreloads.WriteString("\t\t<link rel=\"preload\" as=\"fetch\" href=\"/api/news?page=1&page_size=16\" crossorigin>\n")
extraPreloads.WriteString("\t\t<link rel=\"preload\" as=\"fetch\" href=\"/api/news/trending?window=week&limit=10\" crossorigin>\n")

homeTitle := "NeuralWire | AI News, Neural Networks & Future Computation"
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