CDATA

  • When I looked at the page source, I saw something called CDATA. Recaptcha shows site key data. What is this? How can I prevent this?

    Code:

    <script src="https://www.google.com/recaptcha/api.js?render=XXXXXXXXX" id="google-recaptcha-js"></script>
<script type='text/javascript' id='wpcf7-recaptcha-js-extra'>
/* <![CDATA[ */
var wpcf7_recaptcha = {"sitekey":"XXXXXXXXX","actions":{"homepage":"homepage","contactform":"contactform"}};
/* ]]> */
</script>
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