With this script it's possible to load random scripts in the head of a CMS Page in Magento 1.
<reference name="after_head_start">
<block type="core/text" before="-" name="name.for.this.block" >
<action method="setText">
<text>
<![CDATA[
<script src="https://some.url/to.js" type="text/javascript" charset="UTF-8"></script>
<script type="text/javascript">
function OptanonWrapper() { }
</script>
]]>
</text>
</action>
</block>
</reference>