I have no idea why that extra page is there. That is a recent and new thing that came up in the last 3 or 5 months. The good news is that if you use PayPal Express the extra page goes away. I had several customers who never completed the orders as well. When this first came up it got me completely off guard. I shipped the order, and it had not been paid for. There are times when I get really busy here, I run the business solo, so things can get missed. I am especially watchful now with all orders, which definitely does slow down my order processing because I can't process from my Blackberry, in addition I had to stop my drop ship warehouses from automatically sending out emails to my drop shippers. I just don't trust using the automatic notifications or automatic anythings anymore, it could be a potential disaster for me, I have some products that cost over $2000 on my website, so I won't take any risks with something going wrong. I rather take on the extra hours and keep it safe.
I had to have the GoDaddy secure certificate for the credit card payments only not PayPal or Google Checkout. If you do not have the certificate, it does re-direct, unless it was changed in the last year. I did not want the re-direct because some of the security features on the new browsers raise a red flag as possible phishing, scam, etc. A lot of people will click out of there if a message like that comes up. It's best to avoid such messages.
Best Regards,
Louis
TackleToyStore.com