Rated 5 out of 5 stars

1. Firefox 4 + Cacheviewer 0.7b won't locate Youtube video.
2. Firefox 3.6.16 + Cacheviewer 0.6.3 always precisely locate Youtube video.
3.Please upgrade it to support Firefox 4.0.

This review is for a previous version of the add-on (0.6.3).