private function checkImageTitleTags() {

        $html = $this->getPageContent();

        // for newly created page
        if ($html == '') {
            return false;
        }

        $dom = $this->createDOMDocumentFromHTML($html);

        $images = $dom->getElementsByTagName('img');

        $imagesWithTitleTags = 0;
        foreach($images as $image){
            if($image->hasAttribute('title') && $image->getAttribute('title') != ''){
                //echo $image->getAttribute('title') . '<br>';
                $imagesWithTitleTags++;
            }
        }

        if($imagesWithTitleTags == $images->length){
            return true;
        }

        return false;
    }