I would like to add a meta tag noindex from within the template.php file of my theme.

The purpose is to remove two nodes 404 error page from google's index, I would like to do it like so :

// in mytheme/template.php
function my_theme_preprocess_node(&$variables, $hook) {
   $node = $variables['node'] ;
   // '123' would be nid of the 404 presentation page
   if($node->nid == '123'){

Is this possible to do in my theme, without using any module at all ?

1 Answer 1


You could use the following code.

function mytheme_preprocess_node(&$variables, $hook) {
  $node = $variables['node'] ;
  if ($node->nid == '123') {
    $element = array(
      '#tag' => 'meta', 
      '#attributes' => array(
        'name' => 'robots', 
        'content' => 'noindex',
    drupal_add_html_head($element, 'mytheme_noindex');

In Drupal 6, you just use drupal_set_html_head('<meta name="robots" content="noindex" />'), instead of drupal_add_html_head().

I would rather use the code in a module, as a theme should not know details such as the existence of a node with a specific ID. Plus, if the site has more than one theme enabled, or it is possible that a different theme is enabled in future, the code should be copied in each enabled themes, while a module will always be executed, independently from the theme being used.

  • Your snippet is exactly what I was looking for. Yes it's right I should use a module for this purpose, I guess I am just in a quick & dirty mood.
    – B2F
    Commented Jun 22, 2012 at 21:05

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