One Page Ajax Checkout – 5 Reasons Why Not

bin-140Should you use one page Ajax checkout? Here are 5 reasons not to.

1. I have found mostly complaints from website owners than anything good about one page checkouts as you can read from the selected forums below:

2. is the only top 500 online retailer using a one page Ajax checkout but according to posted in January 2009 saw some decrease in conversion rates in their one page Ajax checkout. is still using the one page Ajax checkout till now. NOTE: as we all know, TOP 500 retailers are very quick in implementing new things, especially if those things increase conversion rates. Apart from I can’t recall any other stores using one page checkout.

3. According to this post from, three step checkout process convert the best at 6.2% whereas one page checkout converts at only 2.5% as you can see in the table below.


4. I found one study talking about website. It says that they have seen an increase in conversion by 24%, but isn’t using one page checkout as shown in the picture below anymore, apart from outside USA transactions. For outside USA, they use this checkout module from third party, also used on only for overseas transactions.


anthropologie-26-07-2009-22-10-075. All these 5 stores,,,, and, used to have one page Ajax checkout according to this screen shot from a website, but as of writing no one page Ajax checkout there anymore.


Clearly, there is not much talk in favour of one page Ajax checkout. So how come some shopping cart vendors like magento, corecommerce or prostores offer one page Ajax checkouts? What is it about one page Ajax checkouts then?

Multi step checkout is more complex, requires knowledge and money (for testing) to get it right. And this is probably why one page Ajax checkout appears to make life simpler because one page Ajax checkouts are easier and cheaper to have, especially if you don’t have resources for website testing, because you deal only with one page.

We would like to hear from website owners who switched from multi page checkout to one page Ajax checkout and vice verse, so you all can learn and possibly avoid costly mistakes.

Jan Petrovic
I have 9 Years of Tremendous Experience as web analyst and Senior Conversion Specialist. I have worked on optimisation project for the second-largest store retailer in the USA (the company is also a component of the S&P 500 Index), as well as for a well-known USA fashion retailer with over 380 stores nationwide. Over the course of my career I have achieved many INSANE improvements on our client’s websites, sometimes by applying best practices, another time from findings I made during conversion audits and sometimes thinking out of the box. For one of them I have even received an award in 2012 from WhichTestOne, where after testing different emails and parts of email message we increased revenue by 303.08%. What might also interest you is the fact that my average conversion improvement is 19% and my success rate is 70%. Basically, I’m VERY GOOD at what I do thanks to my Can Do Attitude to find solutions to given problems & Experience in this field.
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