From 08b39653ba46361b108b1a65313db054a727344d Mon Sep 17 00:00:00 2001
From: juanatsap <juanatsap@gmail.com>
Date: Thu, 9 Apr 2026 12:24:06 +0100
Subject: [PATCH] =?UTF-8?q?fix:=20SEO=20=E2=80=94=20prevent=20Google=20fro?=
 =?UTF-8?q?m=20indexing=20/text=20instead=20of=20main=20page?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- Add X-Robots-Tag: noindex, nofollow header to /text endpoint
- Add Link: canonical header pointing to HTML version
- Add Disallow: /text to robots.txt
- Update sitemap.xml lastmod to 2026-04-09
---
 internal/handlers/cv_text.go | 2 ++
 static/robots.txt            | 4 ++++
 static/sitemap.xml           | 8 ++++----
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/internal/handlers/cv_text.go b/internal/handlers/cv_text.go
index 3c1d521..6ba76d5 100644
--- a/internal/handlers/cv_text.go
+++ b/internal/handlers/cv_text.go
@@ -152,6 +152,8 @@ func (h *CVHandler) PlainText(w http.ResponseWriter, r *http.Request) {
 	// Set response headers
 	w.Header().Set(c.HeaderContentType, c.ContentTypePlainText)
 	w.Header().Set(c.HeaderXContentTypeOpts, c.NoSniff)
+	w.Header().Set("X-Robots-Tag", "noindex, nofollow")
+	w.Header().Set("Link", `<https://juan.andres.morenorub.io/?lang=`+langCode+`>; rel="canonical"`)
 
 	// Check if download is requested
 	if r.URL.Query().Get("download") == "true" {
diff --git a/static/robots.txt b/static/robots.txt
index 50a2b32..43e6c22 100644
--- a/static/robots.txt
+++ b/static/robots.txt
@@ -13,6 +13,10 @@ Disallow: /api/internal/
 Disallow: /.git/
 Disallow: /.env
 
+# Plain text version — prevent duplicate content indexing
+# Canonical HTML version at / should be indexed instead
+Disallow: /text
+
 # =============================================================================
 # SITEMAPS & AI CONTENT
 # =============================================================================
diff --git a/static/sitemap.xml b/static/sitemap.xml
index 52fddd3..05c8398 100644
--- a/static/sitemap.xml
+++ b/static/sitemap.xml
@@ -5,7 +5,7 @@
   <!-- English Version -->
   <url>
     <loc>https://juan.andres.morenorub.io/?lang=en</loc>
-    <lastmod>2024-10-18</lastmod>
+    <lastmod>2026-04-09</lastmod>
     <changefreq>monthly</changefreq>
     <priority>1.0</priority>
     <xhtml:link rel="alternate" hreflang="es" href="https://juan.andres.morenorub.io/?lang=es"/>
@@ -15,7 +15,7 @@
   <!-- Spanish Version -->
   <url>
     <loc>https://juan.andres.morenorub.io/?lang=es</loc>
-    <lastmod>2024-10-18</lastmod>
+    <lastmod>2026-04-09</lastmod>
     <changefreq>monthly</changefreq>
     <priority>1.0</priority>
     <xhtml:link rel="alternate" hreflang="es" href="https://juan.andres.morenorub.io/?lang=es"/>
@@ -25,7 +25,7 @@
   <!-- Default (redirects to English) -->
   <url>
     <loc>https://juan.andres.morenorub.io/</loc>
-    <lastmod>2024-10-18</lastmod>
+    <lastmod>2026-04-09</lastmod>
     <changefreq>monthly</changefreq>
     <priority>0.9</priority>
   </url>
@@ -33,7 +33,7 @@
   <!-- Health Check Endpoint -->
   <url>
     <loc>https://juan.andres.morenorub.io/health</loc>
-    <lastmod>2024-10-18</lastmod>
+    <lastmod>2026-04-09</lastmod>
     <changefreq>daily</changefreq>
     <priority>0.3</priority>
   </url>