public function checkPageSubjectInFirstParagraph() {
        if ($this->checkPageSubjectDefined()) {
            $first_paragraph = $this->owner->dbObject('Content')->FirstParagraph();

            if (trim($first_paragraph != '')) {
                if (preg_match('/' . preg_quote($this->owner->SEOPageSubject, '/') . '/i', $first_paragraph)) {
                    return true;
                }
                else {
                    return false;
                }
            }
        }

        return false;
    }