Improve domain check retry robustness (#296)

Author: glenn-jocher

.github/workflows/check_domains.yml

@@ -18,6 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
+      max-parallel: 10
       matrix:
         domain:
           [
@@ -74,21 +75,21 @@ jobs:
           import time
 
           def check_domain_redirection(domain, prefix, max_attempts=5):
-              """Check if the given domain redirects correctly, with delays between retries."""
+              """Check if the given domain redirects correctly, with exponential delays between retries."""
               valid_destinations = ["ultralytics.com", "yolo11.com"]
               url = f"https://{prefix}{domain}"
               print(f"\nChecking {url}")
 
               for attempt in range(max_attempts):
                   try:
                       if attempt > 0:
-                          delay = 2 ** attempt  # 2, 4, 8, 16, 32 seconds...
+                          delay = min(10 * (2 ** attempt), 160)  # 20, 40, 80, 160...
+                          print(f"Retrying in {delay}s (attempt {attempt + 1}/{max_attempts})")
                           time.sleep(delay)
 
                       response = requests.get(url, allow_redirects=True, timeout=10)
                       response.raise_for_status()
 
-                      # Check if the final URL contains any of the valid destinations
                       if any(dest in response.url for dest in valid_destinations) and response.status_code == 200:
                           print("Success ✅")
                           return True