Как переименовать заголовки h2 в h1 ни чего не помогает? - Поисковая оптимизация, продвижение сайтов на Joomla (SEO)

<?php
defined('_JEXEC') or die;

require_once dirname(dirname(dirname(dirname(__FILE__)))). DS . 'functions.php';

ArtxLoadClass("Artx_Content");

$component = new ArtxContent($this);
$article = $component->article('article');

echo $component->beginPageContainer('item-page');
if ($article->showPageHeading)
echo $component->pageHeading($article->pageHeading);
$params = $article->getArticleViewParameters();
if ($article->titleVisible) {
$params['header-text'] = $this->escape($article->title);
if (strlen($article->titleLink))
$params['header-link'] = $article->titleLink;
}
// Change the order of ""if"" statements to change the order of article metadata header items.
if ($article->showCreateDate)
$params['metadata-header-icons'][] = "<span class=\"art-postdateicon\">" . $article->createDateInfo(). "</span>";
if ($article->showModifyDate)
$params['metadata-header-icons'][] = "<span class=\"art-postdateicon\">" . $article->modifyDateInfo(). "</span>";
if ($article->showAuthor)
$params['metadata-header-icons'][] = "<span class=\"art-postauthoricon\">" . $article->authorInfo(). "</span>";
if ($article->showPdfIcon)
$params['metadata-header-icons'][] = $article->pdfIcon();
if ($article->showPrintIcon)
$params['metadata-header-icons'][] = $article->printIcon();
if ($article->showEmailIcon)
$params['metadata-header-icons'][] = $article->emailIcon();
if ($article->showEditIcon)
$params['metadata-header-icons'][] = $article->editIcon();
if ($article->showUrl)
$params['metadata-header-icons'][] = $article->urlInfo();
// Build article content
$content = '';
if (!$article->showIntro)
$content .= $article->event('afterDisplayTitle');
$content .= $article->event('beforeDisplayContent');
$content .= $article->toc();
$content .= $article->content();
$content .= $article->event('afterDisplayContent');
$params['content'] = $content;
// Change the order of ""if"" statements to change the order of article metadata footer items.
if ($article->showSection || $article->showCategory)
$params['metadata-footer-icons'][] = "<span class=\"art-postcategoryicon\">" . $article->categories(). "</span>";

// Render article
echo $article->article($params);
echo $component->endPageContainer();

            artxFragmentBegin("<h2 class=\"art-postheader\">");
            if (isset($data['header-text']) && strlen($data['header-text'])) {
                if (isset($data['header-link']) && strlen($data['header-link']))
                    artxFragmentContent('<a href="' . $data['header-link'] . '">' . $data['header-text'] . '</a>');
                else
                    artxFragmentContent($data['header-text']);
            }
            artxFragmentEnd("</h2>");