diff --git a/modules/performance/php-optimizer.sh b/modules/performance/php-optimizer.sh
index 85016ab..ee4a948 100755
--- a/modules/performance/php-optimizer.sh
+++ b/modules/performance/php-optimizer.sh
@@ -670,6 +670,35 @@ optimize_domain() {
     cecho "${CYAN}─────────────────────────────────────────────────────────────────────${NC}"
 
     if [ "$changes_made" -gt 0 ]; then
+        # Validate the pool config before reloading
+        cecho "${CYAN}Validating configuration...${NC}"
+        local config_valid=true
+
+        if [ -n "$pool_config" ] && [ -f "$pool_config" ]; then
+            if ! validate_pool_config "$pool_config" >/dev/null 2>&1; then
+                cecho "${RED}✗ Configuration validation failed!${NC}"
+                cecho "${YELLOW}The modified configuration has syntax errors.${NC}"
+                config_valid=false
+
+                # Offer to rollback
+                if confirm "Rollback changes?"; then
+                    cecho "${CYAN}Rolling back configuration...${NC}"
+                    if rollback_domain_config "$username" "$domain" >/dev/null 2>&1; then
+                        cecho "${GREEN}✓ Configuration restored from backup${NC}"
+                    else
+                        cecho "${RED}✗ Rollback failed - manual recovery may be needed${NC}"
+                        cecho "${YELLOW}Backup location: $backup_dir${NC}"
+                    fi
+                    echo ""
+                    read -p "Press Enter to continue..."
+                    return
+                fi
+            else
+                cecho "${GREEN}✓ Configuration is valid${NC}"
+            fi
+        fi
+
+        echo ""
         cecho "${GREEN}${BOLD}✓ Applied $changes_made optimization(s)${NC}"
 
         if [ "$changes_failed" -gt 0 ]; then
@@ -688,20 +717,43 @@ optimize_domain() {
             cecho "${CYAN}Restarting PHP-FPM ($php_version)...${NC}"
 
             if reload_php_fpm "$php_version" >/dev/null 2>&1; then
-                cecho "${GREEN}✓ PHP-FPM reloaded successfully${NC}"
+                cecho "${GREEN}✓ PHP-FPM reloaded${NC}"
 
                 # Verify it's running
-                sleep 1
+                sleep 2
                 if verify_php_fpm_running "$php_version" >/dev/null 2>&1; then
-                    cecho "${GREEN}✓ PHP-FPM is running${NC}"
+                    cecho "${GREEN}✓ PHP-FPM is running and accepting connections${NC}"
+
+                    # Verify applied changes - check if new config loaded
+                    local verify_result
+                    verify_result=$(verify_applied_changes "$username" "$domain" 2>/dev/null || echo "")
+
+                    if [ -n "$verify_result" ]; then
+                        cecho "${GREEN}✓ New configuration loaded successfully${NC}"
+                    fi
                 else
-                    cecho "${RED}✗ WARNING: PHP-FPM may not be running!${NC}"
-                    cecho "${YELLOW}Run: systemctl status ea-php${php_version#ea-php}-php-fpm${NC}"
+                    cecho "${RED}✗ WARNING: PHP-FPM is not responding!${NC}"
+                    cecho "${YELLOW}Service may have crashed due to invalid configuration.${NC}"
+                    cecho "${YELLOW}Attempting rollback...${NC}"
+
+                    if rollback_domain_config "$username" "$domain" >/dev/null 2>&1; then
+                        cecho "${GREEN}✓ Configuration rolled back${NC}"
+                        cecho "${YELLOW}Restart PHP-FPM manually once this script completes${NC}"
+                    else
+                        cecho "${RED}✗ Rollback failed - manual recovery needed${NC}"
+                        cecho "${YELLOW}Backup location: $backup_dir${NC}"
+                    fi
                 fi
             else
                 cecho "${RED}✗ Failed to restart PHP-FPM${NC}"
-                cecho "${YELLOW}You may need to restart manually:${NC}"
-                cecho "${YELLOW}systemctl restart ea-php${php_version#ea-php}-php-fpm${NC}"
+                cecho "${YELLOW}Attempting rollback...${NC}"
+
+                if rollback_domain_config "$username" "$domain" >/dev/null 2>&1; then
+                    cecho "${GREEN}✓ Configuration rolled back to previous state${NC}"
+                else
+                    cecho "${RED}✗ Rollback failed - manual recovery may be needed${NC}"
+                    cecho "${YELLOW}Backup location: $backup_dir${NC}"
+                fi
             fi
         else
             cecho "${YELLOW}Skipping restart - remember to restart PHP-FPM manually!${NC}"