public function getSEOScoreTips() {

        $score_criteria_tips = array(
            'pagesubject_defined' => _t('SEO.SEOScoreTipPageSubjectDefined', 'Page subject is not defined for page'),
            'pagesubject_in_title' => _t('SEO.SEOScoreTipPageSubjectInTitle', 'Page subject is not in the title of this page'),
            'pagesubject_in_firstparagraph' => _t('SEO.SEOScoreTipPageSubjectInFirstParagraph', 'Page subject is not present in the first paragraph of the content of this page'),
            'pagesubject_in_url' => _t('SEO.SEOScoreTipPageSubjectInURL', 'Page subject is not present in the URL of this page'),
            'pagesubject_in_metadescription' => _t('SEO.SEOScoreTipPageSubjectInMetaDescription', 'Page subject is not present in the meta description of the page'),
            'numwords_content_ok' => _t('SEO.SEOScoreTipNumwordsContentOk', 'The content of this page is too short and does not have enough words. Please create content of at least 300 words based on the Page subject.'),
            'pagetitle_length_ok' => _t('SEO.SEOScoreTipPageTitleLengthOk', 'The title of the page is not long enough and should have a length of at least 40 characters.'),
            'content_has_links' => _t('SEO.SEOScoreTipContentHasLinks', 'The content of this page does not have any (outgoing) links.'),
            'page_has_images' => _t('SEO.SEOScoreTipPageHasImages', 'The content of this page does not have any images.'),
            'content_has_subtitles' => _t('SEO.SEOScoreTipContentHasSubtitles', 'The content of this page does not have any subtitles'),
            'images_have_alt_tags' => _t('SEO.SEOScoreTipImagesHaveAltTags', 'All images on this page do not have alt tags'),
            'images_have_title_tags' => _t('SEO.SEOScoreTipImagesHaveTitleTags', 'All images on this page do not have title tags')
        );

        return $score_criteria_tips;
    }