I installed your plugin and it worked perfectly fine... initially.
Then I noticed that on 2 of 7 pages- the favicons disappeared.
I've been working on and researching this issue for two days and I haven't gotten anywhere.
I saw in another post that your plugin in is set up to work with the standard wordpress theme. If that's the case, I'm out of luck because I use the sliding doors theme.
But like I mentioned before, it worked perfectly fine when I first installed it.