diff --git a/.env.example b/.env.example
index 12a0d63..524f109 100644
--- a/.env.example
+++ b/.env.example
@@ -13,6 +13,7 @@ SITE_TITLE="Slavic Pulse"
 SITE_SHORT_NAME="Slavic Pulse"
 SITE_BASE_URL=https://slavic-pulse.com
 SITE_DESCRIPTION="Lokalne modele LLM, własny serwer AI (Proxmox, TrueNAS, Ubuntu), RAG, Ollama, Open WebUI, bezpieczny self-hosting i wdrożenia biznesowe lokalnej AI."
+TWITTER_DESCRIPTION="Lokalne modele LLM, własny serwer AI (Proxmox, TrueNAS, Ubuntu), RAG, Ollama, Open WebUI, bezpieczny self-hosting i wdrożenia biznesowe lokalnej AI."
 SITE_OG_IMAGE_ALT="Slavic Pulse"
 THEME_COLOR=#000000
 
@@ -27,3 +28,5 @@ FAVICON_512=/assets/imgs/favico/512x512.png
 VIDEO_ID=kujXXtoHUbc
 # Adres docelowy po zakończeniu odtwarzania intro
 POST_VIDEO_REDIRECT_URL=https://www.youtube.com/watch?v=kujXXtoHUbc
+# true = przekierowanie na POST_VIDEO_REDIRECT_URL; false = zostaje obraz tła i strona
+POST_VIDEO_REDIRECT_ENABLED=true
diff --git a/.gitignore b/.gitignore
index ba6735d..f9292ee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,7 +3,6 @@
 *.env.local
 
 # Generated from .env at dev/build time
-config.js
 index.html
 site.webmanifest
 
diff --git a/dev.sh b/dev.sh
index 12a0370..91e3115 100755
--- a/dev.sh
+++ b/dev.sh
@@ -39,7 +39,7 @@ case "${1:-up}" in
   ;;
   config)
     generate_from_env
-    echo "Wygenerowano index.html, site.webmanifest i config.js z .env."
+    echo "Wygenerowano index.html i site.webmanifest z .env."
   ;;
   reload-nginx)
     docker exec slavic-pulse-com-frontend nginx -s reload
diff --git a/docker-compose-example/.env.example b/docker-compose-example/.env.example
index 450ccce..8018195 100644
--- a/docker-compose-example/.env.example
+++ b/docker-compose-example/.env.example
@@ -10,6 +10,7 @@ SITE_TITLE="Slavic Pulse"
 SITE_SHORT_NAME="Slavic Pulse"
 SITE_BASE_URL=https://slavic-pulse.com
 SITE_DESCRIPTION="Lokalne modele LLM, własny serwer AI (Proxmox, TrueNAS, Ubuntu), RAG, Ollama, Open WebUI, bezpieczny self-hosting i wdrożenia biznesowe lokalnej AI."
+TWITTER_DESCRIPTION="Lokalne modele LLM, własny serwer AI (Proxmox, TrueNAS, Ubuntu), RAG, Ollama, Open WebUI, bezpieczny self-hosting i wdrożenia biznesowe lokalnej AI."
 SITE_OG_IMAGE_ALT="Slavic Pulse"
 THEME_COLOR=#000000
 
@@ -22,3 +23,4 @@ FAVICON_512=/assets/imgs/favico/512x512.png
 # --- YouTube ---
 VIDEO_ID=kujXXtoHUbc
 POST_VIDEO_REDIRECT_URL=https://www.youtube.com/watch?v=kujXXtoHUbc
+POST_VIDEO_REDIRECT_ENABLED=true
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index 3fa1a03..ad9779e 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -10,6 +10,5 @@ services:
     volumes:
       - ./index.html:/usr/share/nginx/html/index.html:ro
       - ./site.webmanifest:/usr/share/nginx/html/site.webmanifest:ro
-      - ./config.js:/usr/share/nginx/html/config.js:ro
       - ./assets:/usr/share/nginx/html/assets:ro
       - ./default.conf:/etc/nginx/conf.d/default.conf:ro
diff --git a/generate-from-env.sh b/generate-from-env.sh
index ffabe87..416c9f2 100755
--- a/generate-from-env.sh
+++ b/generate-from-env.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Generuje index.html, site.webmanifest i config.js z zmiennych środowiskowych (.env).
+# Generuje index.html i site.webmanifest z zmiennych środowiskowych (.env).
 set -eu
 
 SCRIPT_DIR="$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)"
@@ -19,6 +19,7 @@ SITE_TITLE="${SITE_TITLE:-Slavic Pulse}"
 SITE_SHORT_NAME="${SITE_SHORT_NAME:-Slavic Pulse}"
 SITE_BASE_URL="${SITE_BASE_URL:-https://slavic-pulse.com}"
 SITE_DESCRIPTION="${SITE_DESCRIPTION:-Lokalne modele LLM, własny serwer AI (Proxmox, TrueNAS, Ubuntu), RAG, Ollama, Open WebUI, bezpieczny self-hosting i wdrożenia biznesowe lokalnej AI.}"
+TWITTER_DESCRIPTION="${TWITTER_DESCRIPTION:-$SITE_DESCRIPTION}"
 SITE_OG_IMAGE_ALT="${SITE_OG_IMAGE_ALT:-Slavic Pulse}"
 THEME_COLOR="${THEME_COLOR:-#000000}"
 
@@ -29,27 +30,30 @@ FAVICON_512="${FAVICON_512:-/assets/imgs/favico/512x512.png}"
 
 VIDEO_ID="${VIDEO_ID:-kujXXtoHUbc}"
 POST_VIDEO_REDIRECT_URL="${POST_VIDEO_REDIRECT_URL:-https://www.youtube.com/watch?v=kujXXtoHUbc}"
+POST_VIDEO_REDIRECT_ENABLED="${POST_VIDEO_REDIRECT_ENABLED:-true}"
 
 OG_IMAGE_URL="${SITE_BASE_URL}${BG_IMAGE}"
 
-export SITE_TITLE SITE_SHORT_NAME SITE_BASE_URL SITE_DESCRIPTION SITE_OG_IMAGE_ALT
-export THEME_COLOR BG_IMAGE FAVICON_48 FAVICON_180 FAVICON_512 OG_IMAGE_URL
-
-TEMPLATE_VARS='${SITE_TITLE} ${SITE_SHORT_NAME} ${SITE_BASE_URL} ${SITE_DESCRIPTION} ${SITE_OG_IMAGE_ALT} ${THEME_COLOR} ${BG_IMAGE} ${FAVICON_48} ${FAVICON_180} ${FAVICON_512} ${OG_IMAGE_URL}'
-
 escape_js() {
   printf '%s' "$1" | sed "s/'/\\\\'/g"
 }
 
+VIDEO_ID_JS="$(escape_js "$VIDEO_ID")"
+POST_VIDEO_REDIRECT_URL_JS="$(escape_js "$POST_VIDEO_REDIRECT_URL")"
+BG_IMAGE_JS="$(escape_js "$BG_IMAGE")"
+
+case "$(printf '%s' "$POST_VIDEO_REDIRECT_ENABLED" | tr '[:upper:]' '[:lower:]')" in
+  true|1|yes|on) POST_VIDEO_REDIRECT_ENABLED_JS=true ;;
+  *) POST_VIDEO_REDIRECT_ENABLED_JS=false ;;
+esac
+
+export SITE_TITLE SITE_SHORT_NAME SITE_BASE_URL SITE_DESCRIPTION TWITTER_DESCRIPTION SITE_OG_IMAGE_ALT
+export THEME_COLOR BG_IMAGE FAVICON_48 FAVICON_180 FAVICON_512 OG_IMAGE_URL
+export VIDEO_ID_JS POST_VIDEO_REDIRECT_URL_JS BG_IMAGE_JS POST_VIDEO_REDIRECT_ENABLED_JS
+
+TEMPLATE_VARS='${SITE_TITLE} ${SITE_SHORT_NAME} ${SITE_BASE_URL} ${SITE_DESCRIPTION} ${TWITTER_DESCRIPTION} ${SITE_OG_IMAGE_ALT} ${THEME_COLOR} ${BG_IMAGE} ${FAVICON_48} ${FAVICON_180} ${FAVICON_512} ${OG_IMAGE_URL} ${VIDEO_ID_JS} ${POST_VIDEO_REDIRECT_URL_JS} ${BG_IMAGE_JS} ${POST_VIDEO_REDIRECT_ENABLED_JS}'
+
 mkdir -p "$OUTPUT_DIR"
 
 envsubst "$TEMPLATE_VARS" < "$TEMPLATE_DIR/index.html.template" > "$OUTPUT_DIR/index.html"
 envsubst "$TEMPLATE_VARS" < "$TEMPLATE_DIR/site.webmanifest.template" > "$OUTPUT_DIR/site.webmanifest"
-
-cat > "$OUTPUT_DIR/config.js" <<EOF
-window.SLAVIC_PULSE_CONFIG = {
-  videoId: '$(escape_js "$VIDEO_ID")',
-  postVideoRedirectUrl: '$(escape_js "$POST_VIDEO_REDIRECT_URL")',
-  bgImage: '$(escape_js "$BG_IMAGE")'
-};
-EOF
diff --git a/index.html.template b/index.html.template
index c789de9..4b8fe9a 100644
--- a/index.html.template
+++ b/index.html.template
@@ -18,7 +18,7 @@
     <meta name="twitter:card" content="summary_large_image">
     <meta name="twitter:title" content="${SITE_TITLE}">
     <meta name="twitter:image" content="${OG_IMAGE_URL}">
-    <meta name="twitter:description" content="${SITE_DESCRIPTION}">
+    <meta name="twitter:description" content="${TWITTER_DESCRIPTION}">
     <link rel="icon" type="image/png" sizes="48x48" href="${FAVICON_48}">
     <link rel="icon" type="image/png" sizes="512x512" href="${FAVICON_512}">
     <link rel="apple-touch-icon" sizes="180x180" href="${FAVICON_180}">
@@ -153,12 +153,11 @@
         </div>
     </div>
 
-    <script src="/config.js"></script>
     <script>
-        const config = window.SLAVIC_PULSE_CONFIG || {};
-        const VIDEO_ID = config.videoId || '';
-        const POST_VIDEO_REDIRECT_URL = config.postVideoRedirectUrl || '';
-        const BG_IMAGE = config.bgImage || '';
+        const VIDEO_ID = '${VIDEO_ID_JS}';
+        const POST_VIDEO_REDIRECT_URL = '${POST_VIDEO_REDIRECT_URL_JS}';
+        const POST_VIDEO_REDIRECT_ENABLED = ${POST_VIDEO_REDIRECT_ENABLED_JS};
+        const BG_IMAGE = '${BG_IMAGE_JS}';
         let player;
 
         const loader = document.getElementById('loader');
@@ -243,7 +242,7 @@
         function onPlayerStateChange(event) {
             if (event.data === YT.PlayerState.ENDED) {
                 stageVideo.classList.remove('active');
-                if (POST_VIDEO_REDIRECT_URL) {
+                if (POST_VIDEO_REDIRECT_ENABLED && POST_VIDEO_REDIRECT_URL) {
                     window.location.href = POST_VIDEO_REDIRECT_URL;
                 }
             }