diff --git a/k8s/free2z/backend-config.yaml b/k8s/free2z/backend-config.yaml
index bcdf1405f5d..c980d8e22c7 100644
--- a/k8s/free2z/backend-config.yaml
+++ b/k8s/free2z/backend-config.yaml
@@ -7,6 +7,7 @@ spec:
   cdn:
     enabled: true
     cacheMode: "USE_ORIGIN_HEADERS"
+    # cacheMode: "CACHE_ALL_STATIC"
     cachePolicy:
       includeHost: true
       includeProtocol: true
@@ -20,6 +21,8 @@ spec:
     #     ttl: 0
     #   - code: 502
     #     ttl: 0
+    requestCoalescing: true
+    # 86400
   customResponseHeaders:
     headers:
       - "Strict-Transport-Security: max-age=63072000; includeSubDomains; preload"
diff --git a/k8s/free2z/nginx.conf b/k8s/free2z/nginx.conf
index e473f3b367e..1f2054395b4 100644
--- a/k8s/free2z/nginx.conf
+++ b/k8s/free2z/nginx.conf
@@ -31,6 +31,9 @@ server {
     proxy_buffers 8 16k;
     proxy_buffer_size 32k;
 
+    proxy_hide_header Cache-Control;
+    proxy_hide_header Expires;
+
     location = /robots.txt {
         if ($http_host ~* ^(test|stage)\.) {
             return 200 "User-agent: *\nDisallow: /";
diff --git a/py/dj/apps/g12f/admin.py b/py/dj/apps/g12f/admin.py
index cc8ae67bcdf..005afbb2f5c 100644
--- a/py/dj/apps/g12f/admin.py
+++ b/py/dj/apps/g12f/admin.py
@@ -48,7 +48,7 @@ def __init__(self, attrs=None):
 
 
 class PageForm(ModelForm):
-    tags = TagField(widget=WideTagWidget)
+    tags = TagField(widget=WideTagWidget, required=False)
 
     class Meta:
         model = zPage
diff --git a/py/dj/apps/g12f/models/zpage.py b/py/dj/apps/g12f/models/zpage.py
index 21958c20423..266000553ca 100644
--- a/py/dj/apps/g12f/models/zpage.py
+++ b/py/dj/apps/g12f/models/zpage.py
@@ -158,7 +158,7 @@ class zPage(models.Model):
 
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
-    publish_at = models.DateTimeField(null=True)
+    publish_at = models.DateTimeField(null=True, blank=True)
 
     class Meta:
         verbose_name = "zPage"
diff --git a/py/dj/apps/uploads/serializers.py b/py/dj/apps/uploads/serializers.py
index f793d8ae86b..2ff70dd733e 100644
--- a/py/dj/apps/uploads/serializers.py
+++ b/py/dj/apps/uploads/serializers.py
@@ -21,9 +21,9 @@ class Meta:
         ]
         read_only_fields = ["id", "created_at", "updated_at", "mime_type"]
 
-    def get_url(self, obj):
+    def get_url(self, obj: GenericFile):
         # return f"https://test.free2give.xyz/uploadz/{obj.file.name}"
-        return f"/uploadz/{obj.file.name}"
+        return obj.get_url()
 
     def get_name(self, obj):
         return obj.file.name
diff --git a/ts/react/free2z/src/components/MathMarkdown.tsx b/ts/react/free2z/src/components/MathMarkdown.tsx
index aca00acdbb3..a6941e75495 100644
--- a/ts/react/free2z/src/components/MathMarkdown.tsx
+++ b/ts/react/free2z/src/components/MathMarkdown.tsx
@@ -26,6 +26,7 @@ import { useStoreState } from "../state/persist"
 import CodeCopyButton from "./CodeCopyButton";
 import { ReactNode, useMemo } from "react";
 import React from "react";
+import ReactPlayer from "react-player";
 
 interface MathMarkdownProps {
     content: string
@@ -186,7 +187,24 @@ function MemoMarkdown(props: MathMarkdownProps) {
                         if (url.startsWith('/')) {
                             url = `https://${window.location.host}${url}`
                         }
-                        return <IframelyComponent url={url} />
+                        // TODO: custom player?
+                        // Iframely player looks a bit more polished than ReactPlayer
+                        // // Check if the URL ends with supported audio/video formats
+                        // const isMediaUrl = /\.(mp4|mp3|ogg|wav|webm)$/i.test(url);
+
+                        // if (isMediaUrl) {
+                        //     return <ReactPlayer
+                        //         url={url} controls={true}
+                        //         width="100%"
+                        //         // maxWidth="380px"
+                        //         style={{
+                        //             margin: "0 auto",
+                        //             maxWidth: "550px",
+                        //         }}
+                        //     />;
+                        // } else {
+                        return <IframelyComponent url={url} />;
+                        // }
                     } else {
                         return (
                             // @ts-ignore