The split testing post is the one to keep. Define what the email is for before you touch anything. Change one variable and one only, so the result means something. Splitting the list in half lets you send the current version to one group and the new one to the other. You can test the subject line, the layout or the tone of the request, but never two at once.
The Facebook post lists the mistakes that cost a small business rather than the tactics that might help one, starting with a page that goes quiet and takes the audience's interest with it.
Much of the writing has been through spinning software, so words arrive slightly wrong and sentences bend in odd places. The instructions underneath are still sound.
There are lead generation posts, a fitness piece, and one promotion written in capitals.
Read the split test post before your next campaign goes out. It is short and you can act on it immediately.