Free diagnosis — Full performance audit
Does your back-office take 30 seconds to load? Are your customers leaving before seeing your products? This guide explains the causes and how to solve them.
Slow PrestaShop: why your store lags and how to fix it
This guide explains the causes of the slowness and how to solve them.
A slow e-commerce site is lost money. Studies show that beyond 3 seconds of load time, 53% of mobile visitors leave the site.
Each additional second of load time reduces conversions by 7%.
Google includes load speed (Core Web Vitals) as a ranking factor since 2021.
A back-office that takes 20 seconds per page is hours wasted every week.
A slow site gives an unprofessional image and drives buyers away.
Some modules execute heavy queries on every page load: real-time statistics, update checks, external API calls. A single poorly optimised module can multiply load time by 3 or 4.
The Expertise module bundled with PrestaShop is one of the most frequent culprits of back-office slowness. Disabling it can halve load times.
PrestaShop has native caching (Smarty, SQL cache). If disabled or misconfigured, every page is fully recalculated on every visit.
Over time, log tables, abandoned carts, statistics and searches grow. SQL queries become slow. Regular cleanup is essential.
A shared hosting at €3/month cannot properly run a PrestaShop with 5000 products. Shared CPU, limited memory, slow disk.
Shipping modules, payment gateways, marketplace feeds: each external API call adds load time. If a third-party service is slow, your site suffers.
Images at 4000x4000 pixels and 5 MB each slow down load. PrestaShop regenerates thumbnails, but originals are often too heavy and WebP rarely enabled.
PHP 7.4 is up to 3x faster than PHP 5.6, and PHP 8.1 brings another 10-20% gain. If your host is stuck on an old PHP version, you lose performance for free.
Here are the optimisations you can apply without advanced technical skills:
Advanced parameters > Performance. Enable Smarty cache in "Recompile templates if files modified" mode. Enable CCC (Concatenation, Compression, Cache) for CSS and JS. If available, use Redis or Memcached.
Modules > Module manager. Disable unused modules, especially: gamification (Expertise), dashtrends, dashgoals, dashproducts if you use another analytics tool.
Delete abandoned carts older than 30 days, purge logs, clean old statistics. Modules like PrestaShop Cleaner automate this task.
Use a tool like TinyPNG to compress images before import. Enable WebP format if your theme supports it. Regenerate thumbnails after modification.
From your hosting panel, switch to the latest PHP version compatible with your PrestaShop. Test thoroughly after the change.
Our experts audit your PrestaShop performance and apply the optimisations that really matter. Free diagnosis.
Open a ticketThe solutions above cover simple cases. An expert becomes essential when:
We analyse response times, slow SQL queries, memory consumption of each module, server config and cache. You get a clear report with priority actions.
We apply the fixes with the biggest impact: disabling heavy modules, database cleanup, cache configuration, SQL index optimisation. Immediate visible result.
We verify load times after intervention and share best practices to maintain performance over time.
Our customers opened 8872 bug fix request, all solved with success
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A professional who listens, is patient, and genuinely honest, and doesn't overcharge. Honestly, I was a little stressed about giving out my access credentials. I can't recommend him highly enough! And all this for a service call on a Sunday!
Absolutely perfect. A fatal error on my website following a module update was fixed in under an hour by Youssef and his team. What a pleasure to work with such efficient professionals. I recommend them without hesitation.
Thanks to my website bug for their website maintenance and repair service. Another successful fix. And some great advice too.
A slow site means lost customers. Describe your issue, we reply within 10 minutes with a free diagnosis.
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