daily 1.0 services.php weekly 0.8 about.php monthly 0.7 contact.php monthly 0.7 user/login.php monthly 0.6 fetchAll("SELECT slug, updated_at FROM `categories` WHERE status = 1"); foreach ($categories as $cat): ?> category.php?slug= weekly 0.8 fetchAll("SELECT slug, updated_at FROM `articles` WHERE status = 'published'"); foreach ($articles as $article): ?> article.php?slug= monthly 0.9 fetchAll("SELECT id, updated_at FROM `services` WHERE status = 1"); foreach ($services as $service): ?> service.php?id= monthly 0.8