Hello, 

I want to download the full content of this web page:
<https://oss-auth.shop.wii.com/>

(There might be links outside this domain and I want to download them as
well.)

But there is a problem,

This web page has some user agent thingie:
Opera/9.30 (Nintendo Wii; U; ; 2077-4; Wii Shop Channel/21.0(A); en

And has a certificate downloadable here: <https://ariankordi.net/cert/>

I want to save this website before it shuts down (2019).

Here is the full info:
<http://wiibrew.org/wiki/Accessing_Wii_Shop_Channel_From_PC>

PLEASE HELP ME DOWNLOADING THAT WEBSITE'S FULL CONTENT INCLUDING OUTSIDE LINKS
AS WELL. ANY ONLINE WEBSITE DOWNLOADER WON'T WORK.