diff --git a/tools/site-deploy-from-mirror.sh b/tools/site-deploy-from-mirror.sh
index 53bdf5e12..1c7b0d2b1 100755
--- a/tools/site-deploy-from-mirror.sh
+++ b/tools/site-deploy-from-mirror.sh
@@ -21,13 +21,14 @@ MINERS_MIN_ROWS="${MINERS_MIN_ROWS:-30}"
 SITE="${SITE_URL:-https://igneum.network}"
 post_checks() { # one pass: prints the first mismatch as "field: detail" and returns 1, or returns 0 silently
   local j n idx m rows
-  j=$(curl -fsS --max-time 20 "$SITE/api/live?x=$RANDOM" 2>/dev/null) || { echo "api/live: not reachable"; return 1; }
+  local nc=(-H 'Cache-Control: no-cache' -H 'Pragma: no-cache')
+  j=$(curl -fsS "${nc[@]}" --max-time 20 "$SITE/api/live?x=$RANDOM" 2>/dev/null) || { echo "api/live: not reachable"; return 1; }
   n=$(printf '%s' "$j" | python3 -c 'import sys,json; print(json.load(sys.stdin)["state"]["network"])' 2>/dev/null || echo "?")
   [ "$n" = "$LIVE_NETWORK" ] || { echo "api/live network: $n (want $LIVE_NETWORK)"; return 1; }
-  idx=$(curl -fsS --max-time 20 "$SITE/?x=$RANDOM" 2>/dev/null) || { echo "index: not reachable"; return 1; }
+  idx=$(curl -fsS "${nc[@]}" --max-time 20 "$SITE/?x=$RANDOM" 2>/dev/null) || { echo "index: not reachable"; return 1; }
   for m in "${INDEX_STRINGS[@]}"; do printf '%s' "$idx" | /usr/bin/grep -qF -- "$m" || { echo "index string missing: \"$m\""; return 1; }; done
-  curl -fsS --max-time 20 "$SITE$LEGAL_PAGE?x=$RANDOM" 2>/dev/null | /usr/bin/grep -qiF -- "$LEGAL_STRING" || { echo "legal string missing on $LEGAL_PAGE: \"$LEGAL_STRING\""; return 1; }
-  rows=$(curl -fsS --max-time 20 "$SITE/miners?x=$RANDOM" 2>/dev/null | /usr/bin/grep -c '<tr class="row"' || true)
+  curl -fsS "${nc[@]}" --max-time 20 "$SITE$LEGAL_PAGE?x=$RANDOM" 2>/dev/null | /usr/bin/grep -qiF -- "$LEGAL_STRING" || { echo "legal string missing on $LEGAL_PAGE: \"$LEGAL_STRING\""; return 1; }
+  rows=$(curl -fsS "${nc[@]}" --max-time 20 "$SITE/miners?x=$RANDOM" 2>/dev/null | /usr/bin/grep -c '<tr class="row"' || true)
   [ "${rows:-0}" -ge "$MINERS_MIN_ROWS" ] || { echo "miners rows: ${rows:-0} (want at least $MINERS_MIN_ROWS)"; return 1; }
   echo "ok: api/live $n, ${#INDEX_STRINGS[@]} index strings, the legal line on $LEGAL_PAGE, $rows miners rows"
 }
@@ -61,7 +62,7 @@ echo "deploying $(TZ=UTC date +%H:%M:%SZ)"
 OUT=$( cd "$W" && npx --yes vercel@latest --global-config "$HOME/.config/igneum/vercel" --scope igneum deploy --prod --yes 2>&1 ) || { echo "$OUT" | tail -5 >&2; exit 1; }
 URL=$(echo "$OUT" | grep -oE 'https://[a-z0-9.-]*vercel\.app' | tail -1)
 # the post-deploy checks, retried while the edge still serves the previous deployment (up to 90 s)
-verdict=""; for i in $(seq 1 18); do verdict=$(post_checks 2>&1) && break; sleep 5; done
+verdict=""; for i in $(seq 1 30); do verdict=$(post_checks 2>&1) && break; sleep 5; done   # up to 150 s: the edge serves the previous deployment per path for a while (22:27 BST: the litepaper lagged the API by over 90 s)
 case "$verdict" in ok:*) echo "post-deploy checks $verdict" ;; *) echo "DEPLOY RED $verdict (commit $SHORT at the edge $URL, $(TZ=Europe/London date +%H:%M) BST)" >&2; exit 1 ;; esac
 echo "SITE DEPLOYED commit $SHORT at $(TZ=UTC date +%H:%M:%SZ) UTC ($(TZ=Europe/London date +%H:%M) BST): $URL -> https://igneum.network"
 echo "$OUT" | grep -iE "Production:|Aliased|error" | head -3