WooCommerce is a Plugin designed to turn your Site into an e-commerce Business.

 

It is a useful, professional and easy-to-use Plugin.

  • That is why more than 5 million people use it.

 

However, there is a problem: It seems that it slows down WordPress significantly.

 

Today, we’ll find out if it is true that WooCommerce slows down WordPress.

  • And How Much (in seconds).

 

We’ll use our “scientific method”:

  • 1st: We create a New Site  and we test its speed to have a Reference.
  • 2nd: We install and configure WooCommerce in that same Site.
  • 3rd: We compared the Results obtained.

 

Does WooCommerce slows down WordPress?

How Much?

 

Keep reading: You’re about to find out.

 

In case you don’t know, in this section we talk about How we are building this Website: our SEO strategy, Theme and Plugins we use, our Real Results (Pageviews and Users we have)…

 

This Post will be divided into 2 different parts:

1. Does WooCommerce slow down WordPress?

2. Our Today’s Google Analytics report: Users and Pageviews we have.

 

Let’s begin:

1. Does WooCommerce slow down WordPress?

First of all, we have created a New WordPress Site from scratch.

  • We have created this Site locally, in our computer with “Local” (not sponsored).
    • In this way, we can obtain perfect results from a Site without Plugins.

 

New Site created that will be our reference.

 

We have used the same Site for testing other Plugins or Add-ons.

 

To the default WordPress sample Post, we have added:

  • A 7 mb image.
  • 200 paragraphs generated with Loren Ipsum.

There is nothing else in this Site: No Plugins, no Add-ons… Just the “twenty twenty” default Theme

 

Next, we have use the Google Chrome Audit Tool to measure its Speed.

Performance results of a New Site.

 

Opportunities suggested for the New Site.

 

These Results will be our Reference.

 

Once we have these References, we have installed and configured WooCommerce.

 

We have created a Fictional Product called “Test Product” so we have, at least one item.

Product Test created with WooCommerce.

 

Then, we have Tested the Speed of the Product Page:

Performance results of a WooCommerce Product Page.

 

Opportunities suggested for the WooCommerce Product Page.

 

These results are much worse than the ones we obtained before.

 

However, does WooCommerce only slow down the Product Page, or the entire Site?

 

To find out, we have tested the Speed of the Shop Page (the one that links to the Product):

Shop Page created with WooCommerce.

 

Speed Results obtained:

Performance results of a WooCommerce Shop Page.

 

Opportunities suggested for the WooCommerce Shop Page.

 

There results are slightly better, although they are not close to the ones we obtained in our Reference test.

 

Finally, we have Tested the Speed of the Home Page.

  • The same one we tested at the beginning but this time, with WooCommerce installed.

Main Page with WooCommerce installed.

 

We don’t know why, WooCommerce changed the background color of the main page to white.

 

Also, unsurprisingly, WooCommerce added a Top Menu to the main page:

WooCommerce Menu.

 

Speed Results obtained:

Performance results of a Main Page with WooCommerce Installed.

 

Opportunities suggested for the Main Page of a Site with WooCommerce Installed.

 

Now, let’s analyze and compare the results obtained:

 

As we mentioned in other Speed-Test reviews, these Audit tests have some type of variability.

  • We estimate this variability to be between 0.05 and 0.1 seconds, approximately.

That means that, if you see a difference of 0.1 seconds between tests, you can’t state for sure that it is due to some modification you made.

 

Since our Reference Site didn’t have a “Shop” or any “Product” we can’t compare the results obtained directly.

  • However, the results obtained show that WooCommerce is not a particularly Fast Plugin.

 

However, we can compare the difference between results obtained for the Main Page:

 

Performance difference

  • First Contentful Paint: +0.7 seconds.
  • Speed Index: +0.7 seconds.
  • Time to Interactive: +0.1 seconds.
  • First Meaningful Paint: -0.5 seconds.
  • First CPU Idle: -0.1 seconds.
  • Max Potential First Input Delay: +90 ms.

 

Opportunities difference

  • Eliminate render-blocking resources: +1.2 seconds.
  • Properly size images: -0.15 seconds.
  • Remove unused CSS: 0 seconds.
  • Serve images in next-gen formats: 0 seconds.
  • Efficiently encode images: 0 seconds.

 

You now may be wondering:

Are these increases constant or percent increases? (the “heavier” your page the bigger the increase).

 

Does WooCommerce slow down WordPress?

 

Yes. Definitely.

  • You just have to see and compare the results we obtained.

 

The Main Page, increased its “Eliminate render-blocking resources” time by 1.2 seconds.

  • And that is just a single metric, on the Page with the best results.

 

But, if you want to start an e-commerce store, this is maybe your best option: it is a very easy-to-use Plugin.

  • We installed and configure it in 2 minutes.

 

We wouldn’t recommend to install WooCommerce if you already have a “Slow” Site and you are not very sure about selling any product.

  • Many people install it in case they decide to sell some products in the future.
    • This is a mistake.

 

2. Our Today’s Google Analytics report: Users and Pageviews we have.

As you can see in the Post’s top image, we are still having some weak days.

 

Users:

We are having a hard time maintaining 1,000 users per week.

  • We reached 1,100 a few days ago, but we “lost” them the following days.

 

Pageviews:

We currently have 6,324 Page Views per month.

 

We’re confident that our numbers will continue to improve in the coming days.

 

As always: Thanks for being there.

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