It’s encouraging to see the WordPress development team pushing WordPress that much closer to outputting valid HTML code. WordPress 5.3 will be good for publishers and for SEO.

Customisation: Since an HTML website is built from scratch, you can choose to create and code pretty much anything that you like – there are no limits to customisation. However, with WordPress, you’re ...

Well, to make it easier for you, HTML is a better alternative if your website does not require regular updates, revisions, or more information. HTML will also help your website function faster.

More details: WordPress HTML Code: GitHub == Installation == Upload the plugin to your blog and activate it. In the post/page which needs HTML add a custom field with name: "body", paste the HTML into ...