Never access websites over HTTP. Especially websites that serve javascript files that will be run in your browser. It is possible that someone mounted a Man-in-the-middle attack on your connections and modified the javascript files to steal money from your account (by adding events on a button for example).
NEVER access webdollar.io over
HTTP.
BITCOIN doesn't have HTTPS. It impossible, (IMPOSSIBLE) to do Main-in-the-middle (aka ARP Poisoning) for Blockchain to steal funds. End of statement.
All transactions are signed by using Schnorr signatures which are even proven mathematically while Bitcoin ECDSA is not proven mathematically. All blocks are signed by the Argon2D Proof of Work Hashing Function. Blockchain doesn't require HTTPS
All the data that exit from your computer is digitally signed either by Schnorr digital signatures or by the Argon2D Proof of Work. This shows exactly the low level of knowledge of Blockchain and cryptography of user webdollar-scam.