How to speed up your Magento store

Key takeaways

• Start with Magento caching and production mode before making advanced changes.
• Images, CDN setup, and JavaScript/CSS cleanup can improve storefront load times.
• Hosting, PHP handling, Redis, Varnish, and server resources all affect Magento speed.
• Test key pages after performance changes so you don’t create checkout, search, or layout issues.

Magento is still one of the best eCommerce platforms available for merchants looking to optimize the eCommerce experience. Between incredible functionality and unrivaled product management, it provides the ability to create storefronts that can’t be created in other, comparable applications.

We know that one of the top reasons merchants choose Magento is functionality. Yet great functionality requires a lot of server resources. As a result, Magento is a known resource hog.

With over twenty years of experience in hosting and thirteen years supporting Magento stores, we understand the application’s complex performance requirements. This article looks at four of our optimizations and how they make your store faster.

Start here: check your current Magento speed

Before you change settings, test your store so you know what is actually slowing it down. A Magento store can feel slow because of frontend assets, disabled cache, large images, heavy extensions, database bloat, weak hosting resources, or server configuration.

Use tools such as Google PageSpeed Insights, GTmetrix, WebPageTest, Chrome DevTools, and server-side monitoring to review page load times, Core Web Vitals, heavy assets, server response time, and rendering issues. Then focus on the changes most likely to improve your store.

Quick wins to speed up a Magento store

Start with the lower-risk items before moving into server-level changes or development work.

Enable Magento caching

Magento cache, block cache, and full page cache help reduce the amount of work Magento has to do for repeat page loads. On a production store, cache should be enabled and reviewed after deployments, extension changes, theme changes, or configuration updates.

If you make changes and they do not appear on the storefront, clear or refresh the relevant cache instead of disabling caching long term.

Use production mode on live stores

A live Magento store should run in production mode, not developer mode. Production mode helps Magento serve compiled and static files more efficiently, while developer mode is intended for debugging and active development.

If your team has a deployment workflow, confirm the right process before changing modes on a production site.

Optimize images

Large images are one of the most common reasons Magento pages load slowly. Resize images before uploading them, compress them, use modern formats such as WebP when possible, and enable lazy loading where it makes sense.

Don’t rely on CSS to shrink oversized image files. The browser still has to download the larger file, which slows down the page.

Use a CDN for static assets

A content delivery network can help serve images, CSS, JavaScript, and other static files from locations closer to shoppers. This can improve load times for stores with traffic from different regions.

A CDN works best alongside good image practices, efficient caching, and a properly configured hosting environment.

Frontend optimization for Magento speed

Frontend files affect how quickly shoppers can see and use your store. Even when the server responds quickly, heavy CSS, JavaScript, fonts, animations, or third-party scripts can slow down the user experience.

Minify CSS and JavaScript where appropriate, reduce unused scripts, limit unnecessary fonts, and review theme performance. Heavy themes can add extra CSS, JavaScript, templates, and layout work that slow down category pages, product pages, cart, and checkout.

Review third-party scripts carefully. Analytics, chat tools, tracking pixels, review widgets, and personalization scripts can all add load time.

Server and hosting improvements that affect Magento speed

Magento speed is not only a frontend issue. Hosting architecture, PHP handling, cache configuration, storage, CPU, memory, and process priority all affect how fast a Magento store can respond.

Use Magento-ready hosting resources

Magento stores need enough RAM, CPU, and fast storage to handle catalog browsing, checkout, Admin tasks, search, indexing, and cache rebuilds. If a store remains slow after basic fixes, review the hosting layer next.

Use PHP-FPM

PHP-FPM allows Magento sites to make use of memory and CPU resources more efficiently than mod_php. This helps Magento sites better manage content and serve pages faster.

With mod_php, each Apache process includes a PHP interpreter, which increases memory usage even for static asset requests. PHP-FPM separates PHP processes from the web server, so static assets can be served without carrying PHP overhead.

Use OPcache

OPcache saves the compiled PHP code so it doesn’t need to be parsed on every request. For an application like Magento, which has tens of thousands of PHP files, this can improve performance by reducing repeated parsing.

Serve static assets efficiently

NGINX microcaching can store static assets in memory for short periods, reducing disk reads and improving response times for high-traffic pages.

NGINX also supports HTTP/2, which allows server push to send assets to the browser before it requests them.

Enabling GZIP or Brotli compression for CSS, JavaScript, and other text files can significantly reduce download sizes. Compressed files are typically 60 to 70 percent smaller than uncompressed versions.

Prioritize web-critical processes

Linux assigns CPU priority through “niceness” values, which determine how much CPU access a process receives.

Configuring web-critical processes like NGINX, PHP, and MySQL to receive higher CPU priority can help the store respond faster during maintenance tasks, backups, and scheduled jobs.

Caching tools for Magento performance

Magento stores often benefit from more than basic cache settings.

Varnish can act as a reverse proxy and serve cached pages quickly, reducing backend load. Redis can support Magento cache, full page cache, or sessions depending on how the store is configured. Elasticsearch or OpenSearch can help large catalogs return search results and filtering options faster.

These tools should be configured and monitored carefully. Cache, search, and session storage can improve performance, but incorrect settings can create checkout, search, or session problems.

Database and system maintenance

Keep Magento updated so your store receives current security, compatibility, and performance improvements. Also review database growth over time. Logs, abandoned carts, old price rules, and other unnecessary data can add bloat and slow down database operations.

Magento indexing also matters. Confirm cron runs correctly and that indexers update on the right schedule. Resource-heavy indexing should avoid peak traffic windows when possible.

Audit extensions and third-party code

Extensions can slow down Magento when they add database queries, frontend scripts, checkout changes, layout updates, or conflicts with other modules.

Review installed extensions regularly. Disable or remove unused modules, keep active extensions updated, and test performance after changes. If a slowdown starts after an extension update or theme change, start troubleshooting there.

Quick wins vs. advanced fixes

What to test after speeding up Magento

After performance changes, test the homepage, category pages, product pages, search, cart, checkout, customer login, Magento Admin, and mobile experience.

Also review Core Web Vitals or PageSpeed results after changes. Speed improvements should make the store faster without breaking layout, checkout, search, or customer account functions.

When to ask for support

Ask for support if slow performance continues after caching, image optimization, extension review, and database cleanup. The issue may be tied to hosting resources, PHP configuration, Redis, Varnish, Elasticsearch or OpenSearch, cron, or server load.

Hosting support can help review server resources, cache configuration, PHP handling, process priority, logs, and performance bottlenecks. 

Magento store speed FAQs

Magento store speed next steps

Speeding up a Magento store works best when you combine quick storefront improvements with server-side performance work. Caching, production mode, image optimization, extension review, database cleanup, and the right hosting setup all matter.

Start by running a speed test and checking whether Magento cache is enabled and the store is in production mode. Those two steps can help you decide whether to focus next on frontend assets, extensions, database cleanup, or hosting resources.

If hosting resources, cache configuration, or server performance are limiting store speed, explore Liquid Web Magento hosting.