No more than two factors,

First, the picture quality.

Bigfoot plug-in itself has the function of picture adjustment, but the basic function is the various options in the video settings in WOW. You can try setting it to a low profile. Bigfoot's problem in this respect is still not big.

Second, memory usage.

Once again, integration plug-ins are despised here, not just in bigfoot.

Nowadays, in order to attract players, the functions of integrated plug-ins are more and more comprehensive. But you can also find that there are more and more rubbish. Whether you use them or not, these different functions are consuming your memory. If the machine is not particularly high-end, these functions will become the biggest obstacle to improving image quality.

In view of this situation, there are two suggestions:

1, improve your machine configuration.

2. Do not use integrated plug-ins, please download individual plug-ins as appropriate.

Here is a website recommended: play more. I believe you have heard of it.

Good luck,

Have a good game.