Александр Таратин

$.ajax({
         url: '/test/jq.php'
}).done(function() {
         alert('Ok');
});

Заклеивание изолентой предлагать не надо

pngquant --force --skip-if-large --speed 1 256 --output выход вход

jpegtran -copy none -optimize -progressive вход выход

$sql_insert = "INSERT IGNORE INTO `news` (feed_id,title,link,description,pubDate,hash) VALUES";
		$sql_insert_array = [];
		$need_insert = false;

		foreach ($parser as $v) {
...
			$sql_insert .="(?,?,?,?,?,?),";
			array_push($sql_insert_array,$feed_id,$title,$v['link'],$desc,$v['update'], md5($desc.$title));
			$need_insert = true;
		}

		if($need_insert){
			$sql_insert = rtrim($sql_insert,",");
			$sql_insert .= " ON DUPLICATE KEY UPDATE `feed_id`=VALUES(`feed_id`), `title`=VALUES(`title`), `link`=VALUES(`link`), `description`=VALUES(`description`), `pubDate`=VALUES(`pubDate`), `hash`=VALUES(`hash`)";
			$this->db->prepare($sql_insert)->execute($sql_insert_array);
		}

INSERT INTO `feeds` (title, link, weight) (SELECT :title, :link, (IFNULL(MAX(weight),0) + 1) FROM `feeds`)