Include HTML content using a link
Add this to your website
<script src="https://jscdn.glitch.me/cdn/ehtml.js" crossorigin="anonymous"></script>
Then, use ehtml.js by using the "ehtml" tag and the "src" attribute in HTML:
<ehtml src="file url"></ehtml>
Please note that ehtml.js only works on html files that are hosted under the same domain.