Rated 5 out of 5 stars

Tried both 2.3.0 & 2.3.1 and they both have a significant performance impact on the results pop-up/drop-down list compared to the previous 2.0.8 version I used. It is so bad that firefox becomes unresponsive for 5-10 seconds even after stopping typing. So, for now I've reverted to 2.0.8

This review is for a previous version of the add-on (