diff --git a/js/gridHealth.js b/js/gridHealth.js
index 6fe39850..7b814ee9 100644
--- a/js/gridHealth.js
+++ b/js/gridHealth.js
@@ -158,7 +158,7 @@ function normalizeResult(result) {
   };
 }
 
-function queueProbe(magnet, cacheKey, priority = 0) {
+function queueProbe(magnet, cacheKey, priority = 0, webSeeds = []) {
   if (!magnet) {
     return Promise.resolve(null);
   }
@@ -180,6 +180,7 @@ function queueProbe(magnet, cacheKey, priority = 0) {
             timeoutMs: PROBE_TIMEOUT_MS,
             maxWebConns: 2,
             polls: PROBE_POLL_COUNT,
+            urlList: webSeeds,
           })
           .catch((err) => ({
             healthy: false,
@@ -584,7 +585,11 @@ function handleCardVisible({ card, pendingByCard, priority = 0 }) {
 
   setBadge(card, "checking");
 
-  const probePromise = queueProbe(magnet, infoHash, priority);
+  const encodedUrl = card.dataset.urlHealthUrl || "";
+  const webSeed = encodedUrl ? decodeURIComponent(encodedUrl) : "";
+  const webSeeds = webSeed ? [webSeed] : [];
+
+  const probePromise = queueProbe(magnet, infoHash, priority, webSeeds);
 
   pendingByCard.set(card, probePromise);
 
diff --git a/js/webtorrent.js b/js/webtorrent.js
index 0bb839eb..f3cf7a52 100644
--- a/js/webtorrent.js
+++ b/js/webtorrent.js
@@ -175,7 +175,7 @@ export class TorrentClient {
    */
   async probePeers(
     magnetURI,
-    { timeoutMs = 8000, maxWebConns = 2, polls = 3 } = {}
+    { timeoutMs = 8000, maxWebConns = 2, polls = 3, urlList = [] } = {}
   ) {
     const magnet = typeof magnetURI === "string" ? magnetURI.trim() : "";
     if (!magnet) {
@@ -194,7 +194,9 @@ export class TorrentClient {
     const { magnet: augmentedMagnet, appended, hasProbeTrackers } =
       appendProbeTrackers(magnet, trackers);
 
-    const hasWebSeed = magnet.includes("ws=") || magnet.includes("webSeed=");
+    const hasMagnetWebSeed = magnet.includes("ws=") || magnet.includes("webSeed=");
+    const hasExplicitWebSeed = Array.isArray(urlList) && urlList.length > 0;
+    const hasWebSeed = hasMagnetWebSeed || hasExplicitWebSeed;
 
     if (!hasProbeTrackers && !hasWebSeed) {
       return {
@@ -270,10 +272,14 @@ export class TorrentClient {
       };
 
       try {
-        torrent = client.add(augmentedMagnet, {
+        const addOptions = {
           announce: trackers,
           maxWebConns: safeMaxWebConns,
-        });
+        };
+        if (hasExplicitWebSeed) {
+          addOptions.urlList = urlList;
+        }
+        torrent = client.add(augmentedMagnet, addOptions);
       } catch (err) {
         finalize({
           reason: "error",