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Best plugin to speed up WooCommerce Checkout (conditional & custom fields)

Checkout, Plugin Updates, Tech Posts, WooCommerce checkout fields

Tomasz Bednarek4 minutes readUpdated: 2025-03-05Updated: 2025-08-20
blog category heading image

Having a very slow WooCommerce checkout may result in losing customers! Today, I will show our best plugin to speed up your WooCommerce checkout page using conditional logic, custom fields, and user-friendly customization 🚀.

💡 If you're already using Flexible Checkout Fields PRO before 4.0.0, learn how to properly upgrade the plugin for the newest conditional logic features 🙂

A simpler WooCommerce checkout form can help people finish their shopping. Less distraction over multiple checkout fields to fill means better UX 🙂.

Speed up your WooCommerce checkout with fewer fields

I will show you how to use the plugin's best features to customize (thus speed up) the WooCommerce checkout page 💨.

Here comes our best WooCommerce checkout plugin!

💡 You can also start with the free version of the plugin 🙂!

Contents

  • How and why speed up WooCommerce checkout?
  • Our WooCommerce checkout plugin (5 best features)
    • Our best WooCommerce checkout plugin - feature list
  • Beat very slow checkout in WooCommerce (other tips)
    • More speed-up tips
  • How to upgrade Flexible Checkout Fields for the newest features?
  • Summary, test the plugin & documentation
    • Related Articles
  • Take Control of WooCommerce Edit Checkout Fields Using Smart Conditional Logic
  • Customize the WooCommerce Checkout Page: Top Tips for a Seamless Experience
  • WooCommerce Conditional Logic, Custom Fields & Product Options in one plugin!
  • Customize the WooCommerce Checkout Page: Tips & Tools for Success
  • WooCommerce Checkout - Settings, Shortcode & Configuration Guide

How and why speed up WooCommerce checkout?

I’ve recently written an article about guest checkout and 3 tips to optimize WooCommerce checkout 🎉.

In short, better checkout can convince more shoppers to pay for their orders.

By default, your WooCommerce checkout page will contain standard checkout fields:

The default checkout form

But, having more fields isn’t optimal for shoppers 🙁.

First, you can use the woocommerce_checkout_fields filter to change, remove, add, or reorder the fields in the standard checkout form using the array containing all fields, for example:

Custom code to customize the checkout

Customers will see the effect of using the code directly on the checkout page.

Custom checkout form in Woo Commerce

💡 Hint: You may also use woocommerce_billing_fields and woocommerce_billing_fields filters. What’s more, there is also a faster woocommerce_default_address_fields filter that will work both for billing and shipping address fields. Read more about the WooCommerce checkout filters.

If you want to use field validation, you can use the woocommerce_checkout_process action hook. For saving and displaying the new field value in the order meta use the woocommerce_checkout_update_order_meta and woocommerce_admin_order_data_after_billing_address actions.

💡 Hint: You may also add a new field or information in one of the custom sections of the checkout page using WooCommerce hooks. Find out how to use WooCommerce checkout hooks 💪!

If you don’t feel comfortable with coding you can use a plugin to customize the WooCommerce checkout form.

Our WooCommerce checkout plugin (5 best features)

The Flexible Checkout Fields for WooCommerce plugin is a powerful Checkout Manager. It lets you add, remove, reorder, and customize the checkout page in a few moments 🎉!

Adjusting your WooCommerce checkout page with the plugin doesn’t require coding 😀!

Reorder checkout fields
Reorder checkout fields in WooCommerce

Our best WooCommerce checkout plugin - feature list

Let’s see the 5 most important options in Flexible Checkout Fields.

  1. Edit, add new, reorder, or hide fields 💨

    Hide a form field with our best WooCommerce checkout plugin

  2. Make a field required or optional, and add a custom class to each field 🎨

    Make a form field required or optional with our best WooCommerce checkout plugin

  3. Show custom fields on the checkout page, Thank You Page, My Account – address, My Account – order, and in Emails 🙂

    Show custom fields on other pages and in emails - WooCommerce checkout plugin

  4. Add new fields to custom sections 🪟 of the WooCommerce checkout page (PRO)

    Customize the WooCommerce checkout without shortcodes and coding

  5. Use conditional logic for advanced field behavior ⚙️ and additional pricing per field (PRO) 🪙

    Customize the checkout form with conditional logic
     
    Additional pricing options for WooCommerce checkout fields

As you can see, we wanted Flexible Checkout Fields for WooCommerce (in free and PRO) to be our best plugin for fast checkout customization and effective optimization!

That’s awesome! With the plugin features, customizing the checkout form will be a breeze 🍃🙂.

💡 There is also a free version of Flexible Checkout Fields 🙂!

Beat very slow checkout in WooCommerce (other tips)

I’ve shown you the best options in our plugin to manage your WooCommerce checkout.

Additional fields (text fields, option fields, picker fields or add a heading, paragraph, image, HTML, or a hidden field) and checkout customization options are just the beginning.

You can hide some fields based on conditions (PRO) to speed up your WooCommerce checkout page 🌬️!

Prevent a very slow WooCommerce checkout with fewer and dynamic fields

Say STOP to a very slow WooCommerce checkout with our best plugin to manage the form. The extension alone will help you speed up your WooCommerce 🎉!

It’s also possible that your store is slow due to other reasons. Let’s name a few:

  • Your page runs on a slower/ shared hosting and you have A LOT of stuff on the page.
  • There are some limitations on the server (PHP, script, huge traffic simultaneously).
  • Your customers try to visit the page in remote locations and you don’t use CDN.
  • The store has multiple plugins and custom code/snippets that slow down your checkout.
  • Too many shipping and payment options slow down shoppers.

You may address the last 2 reasons right away.

For the first three, contact your service provider to learn about any bottleneck your server may have.

You can also lower the page loading time by optimizing image size, limiting videos, using a shorter checkout form, and limiting too much content on your site (especially the checkout page) 👍!

More speed-up tips

Try to optimize by using newer versions of PHP, MySQL, WordPress, WooCommerce, and less heavyweight plugins. Plus use the theme/plugins that are light and don’t run into conflict with each other 🤦. This advice will help not only your WooCommerce checkout page!

What’s more, see if there are any errors in the browser console or logs.

Finally, you may also speed up your WooCommerce checkout by allowing guest checkout 🙂!

How to upgrade Flexible Checkout Fields for the newest features?

💡 This section will guide you through upgrade process if you're already using Flexible Checkout Fields PRO WooCommerce before version 4.0.0.

The newest version (above 4.0.0) of the plugin improved the user interface and conditional logic options in PRO. Follow the upgrade process below so you may use the latest features 🙂.

  1. Go to Plugins in your WordPress admin area.
  2. Upgrade Flexible Checkout Fields free first.
    Upgrade Flexible Checkout Fields for WooCommerce
  3. Then, upgrade Flexible Checkout Fields PRO as well (or install the newest version of PRO - you'll find the plugin in your WP Desk account for active plugin subscription ⭐).
  4. Go to WooCommerce → Checkout Fields and check conditional settings. They should be transferred from the older UI to the new one seamlessly.
  5. From now on, you can add new conditions for checkout fields 🙂.
    Best checkout fields plugin for WooCommerce - conditional logic options
  6. With the new version of PRO, it's possible to hide, show, or set a field as required based on conditions.
    Conditional logic in the Flexible Checkout Fields PRO WooCommerce plugin
  7. Of course, you may create several condition groups as well as OR/AND scenarios.
    Advanced conditions for WooCommerce checkout fields
💡 If you have any questions about the upgrade process or encounter any issues, let us know! See more examples of conditional logic settings in the documentation ➡️

Summary, test the plugin & documentation

Today, you’ve learned how to speed up your WooCommerce page with conditional & custom fields in our best plugin for checkout customization ⭐.

I have also pointed out a few reasons for a very slow store and how to speed up your WooCommerce checkout!

Now, I encourage you to see all features of the plugin and read its documentation.

You may also start with the free version of the plugin or test the PRO version in a free demo.

Of course, if you have any questions let us know 🙂.

Related Articles

WooCommerce conditional checkout fields

Take Control of WooCommerce Edit Checkout Fields Using Smart Conditional Logic

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Tomasz Bednarek

Copywriter and Marketing Specialist

Author of numerous articles and educational materials created for WP Desk and related services focused on WooCommerce plugins (Flexible Invoices, F...

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WP Desk › Blog › WooCommerce checkout & orders › WooCommerce checkout fields › Best plugin to speed up WooCommerce Checkout (conditional & custom fields)

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Contents

  • How and why speed up WooCommerce checkout?
  • Our WooCommerce checkout plugin (5 best features)
    • Our best WooCommerce checkout plugin – feature list
  • Beat very slow checkout in WooCommerce (other tips)
    • More speed-up tips
  • How to upgrade Flexible Checkout Fields for the newest features?
  • Summary, test the plugin & documentation

Flexible Checkout Fields PRO WooCommerce €59

Edit, add new or hide unnecessary fields from the WooCommerce checkout form. Add pricing to fields and use conditional logic. It's all about conversions and better user experience. NEW: now you can set multiple conditions (OR) under one or more condition groups (AND).

💾 Active Installations: 80,000+ | WordPress Rating:

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Last Updated: 2026-08-20
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