Some changes

src/main.py

@@ -1,3 +1,4 @@
+import mimetypes
 import socket
 import time
 from typing import Optional
@@ -97,7 +98,6 @@ class Updater:
 
     def update_domain(self, domain: str, update_info: dict):
         modes = update_info.get("modes", [Mode.IPv4])
-        update_required = False
         resolved_addrs = {}
         addrs = {m: self.addrs[m] for m in modes}
         for mode in modes:
@@ -124,7 +124,7 @@ class Updater:
         response = requests.request(method, url, params=params, headers=headers, timeout=10)
         success = response.status_code == 200
         response_text = response.text
-        log.info(f"Updated {domain}")
+        log.info(f"Updated {domain}, response: {response_text}")
         self.add_to_history(domain, self.addrs if success else resolved_addrs, success, response_text)
 
     def update_domains(self):
@@ -166,7 +166,11 @@ class Handler(BaseHTTPRequestHandler):
             path = self.server.args.web + self.path
         try:
             data = open(path, 'rb').read()
+            mimetype = mimetypes.guess_type(path)[0]
             self.send_response(200)
+            if mimetype:
+                self.send_header("Content-Type", mimetype)
+            self.send_header('Content-Length', str(len(data)))
             self.end_headers()
             self.wfile.write(data)
         except: