That's right Ecigsuk! The changes in Google's updated requirement for 'https' did create a big hit against IBO's websites. Bingo!
After posting an article, I use to be able to check 'Google' right afterward, and I would find the article on Page 1.
With that said, members can still make use of the site (for those who don't have a blog) by 'Sending' traffic to the site, say for example, by sending traffic to their own articles from their own email list. This will help build relationships with your own prospects.