Verifying website on Yandex and Firefox leads to error 403

[Admin]

HTML file and meta tag verification on our hosting is not possible due to this security system:

Ensuring only web browsers can access your website

InfinityFree is a website hosting service. That means that the hosting accounts we provided are intended for hosting websites. Websites contain pages that are accessed through web browsers. InfinityFree is not intended to be used for file sharing, API hosting, database hosting or background tasks/tools. To help enforce this, free hosting enforces a security system that makes sure that anyone trying to access your website is using a normal web browser. This is done by checking whether the web br…

Setting custom TXT records is also not supported on free hosting.

So I’m sorry to say that you will not be able to complete domain verification for free subdomains on our hosting.