There's an HTML warning when validating some of the web pages about text not being in "Unicode Normalization Form C":

https://rocketvalidator.com/s/3b30de02-419d-4c3a-ac45-b055680a8f3b/i?search=unicode&page=1&non_doc=false

All the web pages affected are in Bengali language ('bn') so you can get the web pages searching for "bn" in the web pages list like this:

https://rocketvalidator.com/s/3b30de02-419d-4c3a-ac45-b055680a8f3b/p?page=1&search=%2Fbn&sort=html_issues-desc

I'm not sure how to fix this. If anyone wants to investigate and provide a fix, that would be great!