AppNexus

AppNexus ads integration module. Very simple to use. The module provides blocks with ability to set Tag IDs, Ad Sizes.

You can also pass global page options:

<?php

use Drupal\appnexus\PageOpts;

/**
 * Implements hook_page_attachments().
 */
function mymodule_page_attachments(array &$page) {
  $page_opts = (new PageOpts())
    ->setKeywordQuotes()
    ->setMember('YOUR_MEMBER_ID')
    ->setKeyword('var1', 'value')
    ->setKeyword('var2', ['val1', 'val2'])
    ->setKeyword('var3', 1234);
  if ($opts = $page_opts->build()) {
    $page['#attached']['drupalSettings']['appnexus']['opts'] = json_encode($opts);
  }
}