Facebook Like Button Is Not Displaying In Firefox

I have made a page and I open it in a fancybox. It is working fine in chrome and it's private mode too. It is working in Firefox but it is not working when I opened the private br

Solution 1:

Answer is here. https://stackoverflow.com/a/34243073/1641556

How to turn Off Tracking Protection

In the Firefox Location bar, type about:configand press Enter.

The about:config "This might void your warranty!" warning page may appear. Click I'll be careful, I promise! to continue to the about:config page.

Search for privacy.trackingprotection.enabled.

Double-click privacy.trackingprotection.enabled toset its value tofalse.

Solution 2:

firefox-42-brings-tracking-protection-to-private-browsing

firefox-tracking-protection-decreases-page-load-times-by-44

Please see the above links, it clearly mentioned that the ads, analytics trackers, and social share buttons are blocked preventing page loading issues in the browser. As sites may depend on these scripts and may refuse to load fully or partially. Sorry guys.