подскажите пожалуйста , я сам сильно не разбираюсь, поддержка хостинга написала вот что :
Служба технической поддержки
13:22
Проблемные запросы в базу данных, которые выполняются слишком долго, из-за чего сайт загружается долго:
SELECT DISTINCT *, pd.name AS name, p.image, (SELECT md.name FROM oc_manufacturer_description md WHERE md.manufacturer_id = p.manufacturer_id AND md.language_id = '1') AS manufacturer, (SELECT price FROM oc_product_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = '1' AND pd2.quantity = '1' AND ((pd2.date_start = '0000-00-00' OR pd2.date_start < NOW()) AND (pd2.date_end = '0000-00-00' OR pd2.date_end > NOW())) ORDER BY pd2.priority ASC, pd2.price ASC LIMIT 1) AS discount, (SELECT price FROM oc_product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '1' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT 1) AS special, (SELECT points FROM oc_product_reward pr WHERE pr.product_id = p.product_id AND customer_group_id = '1') AS reward, (SELECT ss.name FROM oc_stock_status ss WHERE ss.stock_status_id = p.stock_status_id AND ss.language_id = '1') AS stock_status, (SELECT wcd.unit FROM oc_weight_class_description wcd WHERE p.weight_class_id = wcd.weight_class_id AND wcd.language_id = '1') AS weight_class, (SELECT lcd.unit FROM oc_length_class_description lcd WHERE p.length_class_id = lcd.length_class_id AND lcd.language_id = '1') AS length_class, (SELECT AVG(rating) AS total FROM oc_review r1 WHERE r1.product_id = p.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating, (SELECT COUNT(*) AS total FROM oc_review r2 WHERE r2.product_id = p.product_id AND r2.status = '1' GROUP BY r2.product_id) AS reviews, p.sort_order FROM oc_product p LEFT JOIN oc_product_description pd ON (p.product_id = pd.product_id) LEFT JOIN oc_product_to_store p2s ON (p.product_id = p2s.product_id) LEFT JOIN oc_manufacturer m ON (p.manufacturer_id = m.manufacturer_id) WHERE p.product_id = '43' AND pd.language_id = '1' AND p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '0'
SELECT * FROM oc_information i LEFT JOIN oc_information_description id ON (i.information_id = id.information_id) LEFT JOIN oc_information_to_store i2s ON (i.information_id = i2s.information_id) WHERE id.language_id = '1' AND i2s.store_id = '0' AND i.status = '1' ORDER BY i.sort_order, LCASE(id.title) ASC
SELECT DISTINCT *, pd.name AS name, p.image, (SELECT md.name FROM oc_manufacturer_description md WHERE md.manufacturer_id = p.manufacturer_id AND md.language_id = '1') AS manufacturer, (SELECT price FROM oc_product_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = '1' AND pd2.quantity = '1' AND ((pd2.date_start = '0000-00-00' OR pd2.date_start < NOW()) AND (pd2.date_end = '0000-00-00' OR pd2.date_end > NOW())) ORDER BY pd2.priority ASC, pd2.price ASC LIMIT 1) AS discount, (SELECT price FROM oc_product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '1' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT 1) AS special, (SELECT points FROM oc_product_reward pr WHERE pr.product_id = p.product_id AND customer_group_id = '1') AS reward, (SELECT ss.name FROM oc_stock_status ss WHERE ss.stock_status_id = p.stock_status_id AND ss.language_id = '1') AS stock_status, (SELECT wcd.unit FROM oc_weight_class_description wcd WHERE p.weight_class_id = wcd.weight_class_id AND wcd.language_id = '1') AS weight_class, (SELECT lcd.unit FROM oc_length_class_description lcd WHERE p.length_class_id = lcd.length_class_id AND lcd.language_id = '1') AS length_class, (SELECT AVG(rating) AS total FROM oc_review r1 WHERE r1.product_id = p.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating, (SELECT COUNT(*) AS total FROM oc_review r2 WHERE r2.product_id = p.product_id AND r2.status = '1' GROUP BY r2.product_id) AS reviews, p.sort_order FROM oc_product p LEFT JOIN oc_product_description pd ON (p.product_id = pd.product_id) LEFT JOIN oc_product_to_store p2s ON (p.product_id = p2s.product_id) LEFT JOIN oc_manufacturer m ON (p.manufacturer_id = m.manufacturer_id) WHERE p.product_id = '40' AND pd.language_id = '1' AND p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '0'
Вам нужно оптимизировать данные запросы, чтобы они выполнялись быстрее.
по поводу debugger - несмог установить его на сайт, 503 ошибка сразу