If your website is html site, find index.html.
If your website is asp site, find index.asp.
If your website is php site, find index.php.
If your website is blog, find edit html.
Then, paste the following codes between <head>......</head>.
<link href="https://tnwict.com/mmfont/zawgyi.css" rel='stylesheet' type='text/css'/>
Now, your website can describe in Myanmar Font (Zawgyi One).
If you want the codes, please click here to download.