простая SEO - оптимизация мета-тэгов джумлы: решение - Поисковая оптимизация, продвижение сайтов на Joomla (SEO)

--------------------------------
components/com_content/content.php
function showItem()

примерно 1510 стр. 

 $mainframe->setPageTitle( $row->title );
  на 
 $mainframe->setPageTitle( $row->title, $params, $row ); 

----------------------------------------------
includes/joomla.php

    function setPageTitle( $title=null , $pageparams=null, $page = null ) {
    global $option;
    	if (@$GLOBALS['mosConfig_pagetitles']) {
    		$title = trim( htmlspecialchars( $title ) );
    		$title = stripslashes( $title );
    		$pageownname = null;
      
      if($page->metakey)
     		$this->_head['title'] = $page->metakey .' - '.$GLOBALS['mosConfig_sitename'];
      else
     		$this->_head['title'] = $title ? $title.' - '.$GLOBALS['mosConfig_sitename'] : $GLOBALS['mosConfig_sitename'];

        if($option == 'com_frontpage'){
        $this->_head['title'] = $title ? $GLOBALS['mosConfig_sitename'].' - '.$title : $GLOBALS['mosConfig_sitename'];
       }
    	}
    }        

------------------------------------------------
includes/frontend.php

В функции mosShowHead()
вместо   	
$mainframe->appendMetaTag( 'description', $mosConfig_MetaDesc );
$mainframe->appendMetaTag( 'keywords', $mosConfig_MetaKeys );

добавляем

   $de = -1;
   $ke = -1;
   $n = count( $mainframe->_head['meta'] );
      for ($i = 0; $i < $n; $i++) {
        if ($mainframe->_head['meta'][$i][0] == "description")
         $de = $i;
        if ($mainframe->_head['meta'][$i][0] == "keywords")
         $ke = $i;
      }
 if(!$mainframe->_head['meta'][$de][1] || $mainframe->_head['meta'][$de][1]=="" || $de < 0)
  	$mainframe->appendMetaTag( 'description', $mosConfig_MetaDesc );
	if(!$mainframe->_head['meta'][$ke][1] || $mainframe->_head['meta'][$ke][1]=="" || $ke < 0)
 	$mainframe->appendMetaTag( 'keywords', $mosConfig_MetaKeys );
  
	$mainframe->addMetaTag( 'Generator', $_VERSION->PRODUCT . ' - ' . $_VERSION->COPYRIGHT);
	$mainframe->addMetaTag( 'robots', 'index, follow' );
 
----------------------------------------------administrator/components/com_virtuemart/html/shop.browse.php

$temp = explode (chr(10), strip_tags($desc));
$temp2 ="";
for ($i=0; $i<count($temp); $i++)
 $temp2 .= trim($temp[$i]);
 $mainframe->addMetaTag( "description", $temp2);
 $mainframe->addMetaTag( "keywords", strip_tags($ps_product_category->get_name($category_id,1)));

--------------------------------------------------administrator/components/com_virtuemart/html/shop.product_details.php

$mainframe->addMetaTag( "description", strip_tags( $db_product->f("product_s_desc")));
$mainframe->addMetaTag( "keywords", strip_tags( $db_product->f("product_name")));

--------------------------------------------------

// Prepend Product Short Description Meta Tag "description"
if( vmIsJoomla('1.5')) {
	$document = JFactory::getDocument();
	$document->setDescription(strip_tags( $db_product->f("product_s_desc")));
} else {
	$mainframe->prependMetaTag( "description", strip_tags( $db_product->f("product_s_desc")) );
}

// Prepend Product Short Description Meta Tag "description"
if( vmIsJoomla('1.5')) {
	$document = JFactory::getDocument();
	$document->setDescription(strip_tags( $db_product->f("product_s_desc")));

	// Chris Walsh | July 2009 | INSERT HERE
	// Ref: http://docs.joomla.org/JDocument
 	$rsKeywords = $mosConfig_MetaKeys.", ";			// Keywords metatag is built from: (1) product name split out (2 Each Category in Pathway (includes product name);
	$rsKeywords .= implode(', ',explode(' ', $product_name));
	foreach( $pathway as $item ) {
		$rsKeywords .= ', ' . $item->name;
	}
	$document->setMetaData( 'keywords', $rsKeywords );
	$document->setMetaData( 'title', $product_name );
	// INSERT END
} else {
	$mainframe->prependMetaTag( "description", strip_tags( $db_product->f("product_s_desc")) );
}

// Set Dynamic Page Title
$vm_mainframe->setPageTitle( html_entity_decode( $category_name.' - '.substr($product_name, 0, 60 ), ENT_QUOTES ));

// Set Dynamic Page Title
$category_name = '';
//Получаем имя вышестоящей директории, если есть такая
$q = 'SELECT `category_parent_id` FROM `jos_vm_category_xref` WHERE `category_child_id`='.$category_id;
$db->setQuery( $q );
$category_parent_id = $db->loadResult();
if ($category_parent_id) {
   $q = 'SELECT `category_name` FROM `jos_vm_category` WHERE `category_id`='.$category_parent_id ;
   $db->setQuery( $q );
   $category_name = $db->loadResult()." - ";
}

//Получаем имя самой директории
$q = 'SELECT `category_name` FROM `jos_vm_category` WHERE `category_id`='.$category_id;
$db->setQuery( $q );
		$category_name = $category_name.($db->loadResult());

$vm_mainframe->setPageTitle( html_entity_decode( $category_name.' - '.substr($product_name, 0, 60 ), ENT_QUOTES ));

/* Set Dynamic Page Title */
    $mainframe->setPageTitle( html_entity_decode( substr($product_name, 0, 60 ) ));

Fatal error: Call to a member function setPageTitle() on a non-object in /home/...../www/administrator/components/com_virtuemart/html/shop.product_details.php on line 180

//Получаем имя самой директории
$q = 'SELECT `category_name` FROM `#__{vm}_category` WHERE `category_id`='.$category_id;
$db->setQuery( $q );
     $category_name = $category_name.($db->loadResult());
$manufacturer_name = $ps_product->get_mf_name($product_id);
$vm_mainframe->setPageTitle( html_entity_decode( $category_name.' '.$manufacturer_name.' '.substr($product_name, 0, 60 ).' Купить в Киеве', ENT_QUOTES ));