diff --git a/packages/api/src/jobs/rss/refreshFeed.ts b/packages/api/src/jobs/rss/refreshFeed.ts
index d111f248d..6274920de 100644
--- a/packages/api/src/jobs/rss/refreshFeed.ts
+++ b/packages/api/src/jobs/rss/refreshFeed.ts
@@ -126,6 +126,15 @@ export const isContentFetchBlocked = (feedUrl: string) => {
   if (feedUrl.startsWith('https://arxiv.org/')) {
     return true
   }
+  if (feedUrl.startsWith('https://rss.arxiv.org')) {
+    return true
+  }
+  if (feedUrl.startsWith('https://xkcd.com')) {
+    return true
+  }
+  if (feedUrl.startsWith('https://daringfireball.net/feeds/')) {
+    return true
+  }
   if (feedUrl.startsWith('https://lwn.net/headlines/newrss')) {
     return true
   }
@@ -517,6 +526,9 @@ const processSubscription = async (
 
       // Max limit per-feed update
       if (itemCount > 99) {
+        if (itemCount == 100) {
+          logger.info(`Max limit reached for feed ${feedUrl}`)
+        }
         continue
       }