diff --git a/requirements.txt b/requirements.txt
index 4ee833f..a635d05 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,6 +36,7 @@ user-agents>=2.2.0
 pdfplumber>=0.10.0
 
 # SEO Analysis
+lxml==5.4.0
 beautifulsoup4==4.14.3
 selectolax==0.4.6
 python-whois==0.9.6
diff --git a/scripts/pagespeed_client.py b/scripts/pagespeed_client.py
index 8755cd9..b77d18e 100644
--- a/scripts/pagespeed_client.py
+++ b/scripts/pagespeed_client.py
@@ -144,8 +144,8 @@ class RateLimiter:
         if quota_file:
             self.quota_file = Path(quota_file)
         else:
-            # Default to scripts directory
-            self.quota_file = Path(__file__).parent / '.pagespeed_quota.json'
+            # Default to /tmp (writable by any user, resets on reboot which is fine for daily quota)
+            self.quota_file = Path('/tmp/.pagespeed_quota.json')
 
         self._load_quota()