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Introduction

Drupal Commerce is the last stop on our tour of e-commerce platforms. Drupal is a free content management system, and Drupal Commerce is an extension that allows you to build a web store with Drupal. This setup is similar to WooCommerce and Virtuemart, which both rely on their own content management systems.

If you missed our previous posts, we are load testing six different e-commerce platforms and scoring them based on web performance. We continue our e-commerce benchmarking series by giving you a glimpse of out-of-the-box Drupal Commerce and scoring it against the same load test standards as our out-of-the-box Magento store in the first blog post.

Setup

To streamline setup, I decided to use a bundle called Commerce Kickstart which contains a single package for both Drupal and Drupal Commerce. So you don’t have to worry about the in-betweens of installing the content management system and extension. How easy is that!

Commerce Kickstart is one of the easiest e-commerce packages to install, much like the Magento and osCommerce packages. There was one blaring difference about Drupal Commerce: there were no example products! This was unexpected because the front page (shown below) clearly shows a fake product slideshow.
Drupal Commerce homepage

Every other store had some sort of example product, even if it was just clipart garden tools. I ended up having to spend time adding sample items. I used an array of image sizes and qualities to mimic the variety in a typical web store.

Strangely enough, the example store came with categories. So I was sure to “stock” the items into those categories. I was ready to load test after an acceptable amount of products were added.

Testing Phase

Drupal Commerce Test #1
Drupal Commerce Test #2
Drupal Commerce Test #3

At 3 minutes into each of the three tests performed, we consistently see a spike in performance error rates. A majority of those performance errors are request connection timeout errors which means the load engines are not even able to establish a connection with the target server, Drupal.
Amazon Web Services could be blamed for this. The server is then crashing early on at around 350 VUsers. We expect higher scalability for a large Amazon EC2. So it’s like we’re missing a piece of a larger puzzle that needs investigating.

Score

Drupal Commerce scoresheet
Drupal Commerce gained a score of 55.7 out of 100. This puts Drupal Commerce in the lower end of the of ranks. The score would be better for Drupal Commerce if the WebPageTest repeat view metrics were not missing. We could not re-test due to time constraints, but we are assuming a value of 60 seconds for all the repeat views. This stops Drupal Commerce from unfairly being ranked as the worst in performance.

At this point, we’ve tested six different open source e-commerce platforms.

  • Magento Community Edition
  • WooCommerce
  • osCommerce
  • VirtueMart
  • OpenCart
  • Drupal Commerce

Since they are all free and open source, you can give them each a try on your own as well. A deeper analysis of the experiments will be done to make a final ranking of all tested e-commerce platforms. Come back next time and see how each platforms ranks!

This post is part of a series: FirstPrevious

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