For those of you with android phone/tablet, someone suggested this to me and it works...
Once you're in the browser, click the three dots in the upper right.
Go to Settings , then Site Settings
Go to JavaScript
Set the button to BLOCK JavaScript.
Bam, no more popups.
However, other webpages may not work exactly correct. If that's the case...
Once you're in the browser, click the three dots in the upper right.
Go to Settings , then Site Settings
Go to JavaScript
Click 'Add Exception'.
Type in the web address of the server (everything AFTER http:// but BEFORE the next /).
Reload the page.