In general, placing the Adsense blocks randomly is one way to optimize Adsense. If you have many regular visitors who come back visit your blog frequently, this will likely catches their attention.

In response to a comment by Gossips in my previous post Insert Google Adsense Code Anywhere In Your Wordpress Article, I have written a wordpress php function, which will randomly insert the Adsense codes anywhere within an article.

Take this page for example, two Adsense blocks have been selected randomly from four Adsense codes, display randomly within three positions.

Template Files Modification

The concept here is similar to the previous post, which involves adding some PHP & HTML code into your Wordpress theme. Once again, I will walk through the pieces of code to show you how this modification works. I have to assume you have the basic understanding on how to edit the Wordpress PHP files (your theme template). Backup your theme template before making any modification.

Modify functions.php

The method is to put HTML tags ( <!--AdsensePosition1-->, etc. ) anywhere within the post article, and call a PHP function in your template file to replace these tags randomly with your Adsense Codes.

The first step is to append the following PHP code to the end of your functions.php theme template file (Go to Appearance > Editor > Theme Functions on your Wordpress Administration Panel). Also, remember to replace the Adsense Codes with your own Adsense Codes, & modify the DIV CSS style. To add more Adsense codes, simply copy & paste the code block with the variable $RndAds[n], and continue with the numbering ‘n’.

function get_the_content_with_formatting ($more_link_text='(more)', $stripteaser=0, $more_file='')
{
   $content = get_the_content($more_link_text, $stripteaser, $more_file);
   $content = apply_filters('the_content', $content);
   $content = str_replace(']]>', ']]>', $content);
   return $content;
}

function AddRandomGoogleAds($content)
{

  // -----------------------------------------
  // The example here display 2 Ads out of the 3 Ads codes ($RndAds[n]).
  // Modified this parameter for the number of Ads to be displayed.

  $No_Of_Ads_To_Display = 2;

  // ------------------------------------------

$RndAds[1] = <<<RNDDOC1
<div style="float:left;width:250px;height:250px">
<script type="text/javascript"><!--
google_ad_client = "pub-9999999999999999";
google_ad_slot = "0000000000";
google_ad_width = 250;
google_ad_height = 250;
//-->
</script>
<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
</div>
RNDDOC1;

$RndAds[2] = <<<RNDDOC2
<div style="clear:both;width:728px;height:90px">
<script type="text/javascript"><!--
google_ad_client = "pub-9999999999999999";
google_ad_slot = "0000000000";
google_ad_width = 728;
google_ad_height = 90;
//-->
</script>
<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
</div>
RNDDOC2;

$RndAds[3] = <<<RNDDOC3
<div style="float:left;width:336px;height:280px">
<script type="text/javascript"><!--
google_ad_client = "pub-9999999999999999";
google_ad_slot = "0000000000";
google_ad_width = 336;
google_ad_height = 280;
//-->
</script>
<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
</div>
RNDDOC3;

  for ($i=1; $i<=100 ; $i++) {
    if(strpos($content,'<!--AdsensePosition'.$i.'-->') == 0) { $AP=$i-1;break; };
  }
  if($AP==0){ return $content; };
  $DS = $No_Of_Ads_To_Display;

  for ($i=1; $i<=count($RndAds) ; $i++) { $TmpAds[$i]=''; };
  for ($i=1; $i<=$AP ; $i++) { $RepAds[$i]=''; };

  for ($i=1; $i<=$DS ; $i++) {

    do {
      $rm1 = rand(1,count($RndAds));
    } while ($TmpAds[$rm1]!='');
    $TmpAds[$rm1] = $RndAds[$rm1];

    do {
      $rm2 = rand(1,$AP);
    } while ($RepAds[$rm2]!='');
    $RepAds[$rm2] = $TmpAds[$rm1];

  }

  for ($i=1; $i<=$AP; $i++){
    $content = str_replace(array('<p><!--AdsensePosition'.$i.'--></p>', '<!--AdsensePosition'.$i.'-->'), $RepAds[$i], $content);
  }

  return $content;
}
 

NOTE : if you have added the functions which I posted previously (here), just remove the above get_the_content_with_formatting function to avoid duplication.

Modify single.php

Modify the line <?php the_content('(more)'); ?> (parameter may be difference) in your single.php theme template file, replace it with the following code:

<?php
   $cont = get_the_content_with_formatting();
   $cont = AddRandomGoogleAds($cont);
   echo $cont ;
?>
<?php /* the_content('(more)'); */ ?>

NOTE : if you have added the functions which I posted previously (here), just add $cont = AddRandomGoogleAds($cont) ; to the line after the $cont = AddRandomGoogleAds($cont); will do.

Insert Adsense HTML Tags to Your Post

Okay! That’s all you need to do with your theme template. Now, switch to the HTML tab in your Wordpress editing panel and insert <!--AdsensePosition1-->, <!--AdsensePosition2-->, etc. into your post article as many and anywhere as you wish, but limited to 100.

Now, view your article page and see your Adsense appear randomly at the desired location. Have fun! I am looking forward to your valuable feedback.