Include conference year in email subject

check.py

@@ -87,11 +87,14 @@ not_here_list = [
     "Test Page for the Apache HTTP Server",
     "Site not found · GitHub Pages",
     "504: Gateway time-out",
+    "502 Bad Gateway",
     "This page doesn't exist (404)",
     "Coming soon",
     "NOT_FOUND",
     "Resource Not Found",
     "Wikimedia Error",
+    "The page you requested could not be found",
+    "Ooops! Could Not Find It",
 ]
 
 
@@ -154,7 +157,7 @@ def check_conference_web_site(name: str, src_url: str, year: int) -> bool:
     live, msg = check_conference(name, url := src_url.format(year=year))
     if live:
         body = f"{name}\n{url}\nWeb page title: {msg}"
-        send_mail(f"Conference site live: {name}", body)
+        send_mail(f"Conference site live: {name} - {year}", body)
 
     return live