shra

This plugin allow you to add javascript code of Google analytics counter or Yandex metrika counter.
For more information visit:
<a href="https://metrica.yandex.com" rel="nofollow ugc">Yandex Metrika</a> 
<a href="http://www.google.com/analytics" rel="nofollow ugc">Google Analytics</a>

Counters Integration

You can add both are Google Analytics and Yandex Metrika counter's codes on all pages.

Denis Yanchevskiy

DCO Insert Analytics Code is a WordPress plugin is intended for insert analytics code(or any custom code) before </head> or after <body> or before </body>
<h4>Usage</h4>
After installation and activation, you can insert the necessary code to the respective fields on the plugin settings page. 
<a href="https://github.com/yadenis/DCO-Insert-Analytics-Code" rel="nofollow ugc">GitHub</a>
<h4>Settings</h4>
<ul>
<li>Before </head> code</li>
<li>After <body> code</li>
<li>Before </body> code</li>
</ul>
<h4>Filters list</h4>
dco_iac_get_options
Filter for hardcoding override plugin settings. You won’t be able to edit them on the settings page anymore when using this filter.
dco_iac_insert_before_head
Filter to change the code is inserted before </head>
dco_iac_insert_before_head_show
Filter to change show the code is inserted before </head>
dco_iac_insert_after_body
Filter to change the code is inserted after <body>
dco_iac_insert_after_body_show
Filter to change show the code is inserted after <body>
dco_iac_insert_before_body
Filter to change the code is inserted before </body>
dco_iac_insert_before_body_show
Filter to change show the code is inserted before </body>
dco_iac_disable_do_shortcode
Filter to disable shortcode processing in inserted codes
<h4>Examples of using filters</h4>
Hardcoding override plugin settings
<pre><code>/*
* $current - current plugin settings
*
* $options - plugin settings from database
*
* $default - default plugin settings
*/

function custom_get_options($current, $options, $default) {
 $array = array(
 'before_head' => '',
 'before_head_show' => '0',
 'after_body' => '',
 'after_body_show' => '1',
 'before_body' => '',
 'before_body_show' => '2'
 );

 return $array;
}

add_filter('dco_iac_get_options', 'custom_get_options', 10, 3);
</code></pre>
Change before </head> code
<pre><code>/*
* $code - value from "before </head>" setting
*/

function custom_before_head_code( $code ) {
 return $code . '' . "\n";
}

add_filter( 'dco_iac_insert_before_head', 'custom_before_head_code' );
</code></pre>
Change before </body> code show
<pre><code>/*
* $value - value from "before </body> show" setting
*/

function custom_before_head_code( $value ) {
 return '2';
}

add_filter( 'dco_iac_insert_before_body_show', 'custom_before_body_show' );
</code></pre>
Disable shortcode processing in insert codes
<pre><code>add_filter('dco_iac_disable_do_shortcode', '__return_true');
</code></pre>

DCO Insert Analytics Code

Allows you to insert analytics code before </head> or after <body> or before </body>

Counters Integration vs DCO Insert Analytics Code