add https support to the site. IFrame Buttons no longer load in newer Chrome on https sites
Every Site using http and embedding your http iframe for the buttons will get problems, because these iframes are now blocked by default.
The easiest way for you would be to support https for your site, even if its just for the widgets

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mory great commented
All of a sudden, google chrome will not accessible any HTTPS sites.
I'm accepting afterward bulletin every time I go to https sites.I can admission approved HTTP sites okay, just HTTPS sites that I'm accepting this issue.
http://jeuxfacebookfr.org/ -
mory great commented
All of a sudden, google chrome will not accessible any HTTPS sites.
I'm accepting afterward bulletin every time I go to https sites.
I can admission approved HTTP sites okay, just HTTPS sites that I'm accepting this issue.