The main causes of browsing slowdowns on your Mac are toolbars, different add-ons and plug-ins, adware and spyware and multiple security solutions. To deal with such slowdowns, follow the steps detailed below.
1. Reset your browser. Depending on the browser you use, the following articles might help you:
NOTE: Check for any other extensions that monitor the traffic (from other security solutions or standalone) and remove them.
2. Make sure you have the latest version of TrafficLight installed. To do this, you will have to uninstall, then reinstall the extension:
NOTE: Check if there is any difference in browsing speed after you uninstall TrafficLight.
Should the slowdown persist after following the steps from above, open a ticket or reply to the one you already opened, and tell us if the issue occurs on every website you access or only on certain websites (e.g. Yahoo).