How to Speed Up Your E-Commerce Store in 2026: Proven Tips for Shopify, WooCommerce & More
A practical speed checklist that works on Shopify, WooCommerce and PrestaShop: what to test, what to fix first, and what to leave for a developer.
A store that takes more than two or three seconds to open is losing orders it will never know about. Google favours fast pages, and shoppers on phones are not patient. Deloitte measured it for Google a few years ago: making mobile pages a tenth of a second faster brought retail sites 8.4% more orders. Not a redesign. A tenth of a second.
The encouraging part is that most speed problems can be fixed without rebuilding the store. This is the checklist we use, and it works across Shopify, WooCommerce and PrestaShop. Platform-specific guides are linked where they exist.
Quick wins you can do this week
1. Measure first
Run the store through Google's PageSpeed Insights, on the mobile setting, from the country your customers are in. Write the numbers down. You want a mobile score above 90 and the main content loading in under 2.5 seconds. If you are nowhere near that, do not panic. Most stores are not.
2. Images
Photos are usually well over half of what a page downloads. Resize them to the size they are shown at, compress them, serve WebP, and lazy-load anything below the first screen. Shopify does much of this itself. WooCommerce needs a plugin such as ShortPixel. PrestaShop has lazy loading built in and can convert to WebP with a module.
3. Combine and shrink the code
Minify stylesheets and scripts and remove what is unused. Shopify handles part of it. On WordPress, a caching plugin does it. On PrestaShop, it is the CCC setting under Performance.
4. Better hosting
Cheap shared hosting is a ceiling. Move to a VPS or managed hosting near your customers, put a CDN in front, and turn on an object cache. Shopify customers can skip this one. Everyone else cannot.
Platform by platform
Shopify
Remove the apps you no longer use. Each one leaves scripts behind. Use a current "Online Store 2.0" theme, and defer scripts that are not needed for the first paint. App cleanup alone is often worth a second or two.
WooCommerce
Lean theme, one good caching plugin, a CDN, and a plugin audit. We wrote up why WooCommerce stores get slow and a step-by-step guide to fixing it.
PrestaShop
Switch on CCC, use APCu or Redis, clean the database on a schedule, and audit the modules. The full list is in our PrestaShop speed fixes.
Once the basics are done
Inline the critical CSS, preload the fonts and the hero image, make sure the server speaks HTTP/2 or HTTP/3, and start watching real-visitor speed in your analytics rather than only the lab score. These are the steps that take a store from good to genuinely fast, and they are also the ones where a developer earns their fee.
What a real result looks like
Rather than quote ranges, here is one store, measured before and after. Google's mobile score: 44, then 99. The main content: 13.3 seconds, then 1.9. It is on our results page, along with a worked example of what 8.4% more orders means for stores of different sizes.
When it is more than a checklist
If you have done the basics and the store is still slow, the cause is usually structural: the hosting, the theme, or something a previous developer left behind. That is what our services cover, from a fixed-price rescue to ongoing engineering. Book a call, put the store's address in the form, and we will have a look before we speak.