False claims. It doesn't prevent infections. It only notifies you AFTER you've been infected. I'm guessing it needs the full AV client installed. Not recommended.

Unable to access any URL when TrafficLight is activated with Firefox 79 for Mac OS.

Unable to install Bitdefender on Firefox. It instantly installed on Safari and on chrome, but does not install on Firefox. Disappointed!

Maybe it works when it counts, but so far I haven't seen it warn against a single site, and I tested with a few malicious sites too... 3:

Keeps nagging me to install and activate it, which I have done and re-done several times...still showing as not active.

keeps dropping out

I cannot installed on my imac
Download failed. Please check your connection.

Péssima, Me impede de abrir vários sites!!!

yes

Pages full of viruses are green apparently

its messing with my site. I have checked my site cleaned out anything that didn't belong. Also had the server people checked the site and they don't see anything. So I guess it creates false positives.

99.9% of sites are 'safe' (Green)
@Believe me, I searched for some real dodgy stuff which should light up like a Christmas tree ;)

Green light for http://www.goooogleadsence.biz/ (phishing) ???

https://addons.mozilla.org/es/firefox/addon/trafficlight/versions/

En Firefox la navegacion es terriblemente lenta