Assalamu alaikom, May Allah reward you for your efforts in Da'wah, I just had a few reccomendations that came into my mind when I thought about referring English Speaking Sunnis to this board:
1- Putting a link that says clearly "English" on the main page, so the site would be easier to visit.
2-Making the options such as choosing the font size etc, and basically everything related to posting and reading psosts, completely in English, otherwise no English speaker would feel comfortable posting. I dont think that would be too hard of a task for you guy insha'Allah.
3- The is kinda "offtopic" but if the moderator of this board, or even the ******************** of this site knows how to edit videos, or knows someone that could, then I recommend, translating the videos of what the Rafidhee scholars say, such as "Jesus would be honered to be a slave of Ali Bin Abee Talib, so it could be basically a text in the video ( ie a caption ). I know SO MANY people that would really benefit from this, as we Arabic speaking people, live around shias, we have a basic understanding of them without the videos even. However when the shias live abroad, they flat out lie to others who dont have a clue what they say/do "back home", this may be a hard task, but I just wanted the idea to be out there, maybe it would spread and somebody would do it in the future insha'Allah.
Again Jazakom Allah khair for your efforts, Wassalamu alaikom