All Fix Guides
Slow WordPress FixHostinger

WordPress Slow on Hostinger? Here's the Real Reason.

Hostinger is priced aggressively but their LiteSpeed configuration and hPanel limitations cause specific WordPress performance issues.

Fatal error: allowed memory size exhausted — especially with WooCommerce or page builders
LiteSpeed Cache configured but TTFB still above 400ms
Site crashes under moderate traffic (100+ concurrent users)
Slow WP admin — especially the Customizer or Gutenberg editor

Root Cause

Hostinger uses LiteSpeed servers (faster than Apache) but their entry-tier plans severely limit PHP memory (128MB) and restrict LiteSpeed cache configurations that would actually help. Sites on their cheapest plans share resources so heavily that TTFB climbs under any real traffic.

5 Fixes to Try on Hostinger

Ordered from quickest win to most involved. Try them in sequence.

01

Increase PHP Memory Limit

EasyHigh impact

In hPanel, go to PHP Configuration and set memory_limit to 256M or 512M. If the option isn't available on your plan, add "php_value memory_limit 256M" to your .htaccess file. This alone resolves crashes on WooCommerce and Elementor-heavy sites.

02

Configure LiteSpeed Cache Correctly

EasyHigh impact

Install LiteSpeed Cache plugin and enable: Full Page Cache, Object Cache (if available on your plan), Browser Cache, Image Optimization (WebP). In the CDN tab, enable Cloudflare integration if you have it. Don't run any other cache plugin alongside LiteSpeed Cache.

03

Upgrade to Hostinger Business or Cloud Plan

EasyMedium impact

Hostinger's Single and Premium plans have severe resource limits. The Business plan ($3.99–5.99/mo intro) includes 256MB RAM per worker and more CPU allocation. Their Cloud plans ($9.99+/mo) provide dedicated resources. If budget allows, the Business plan is a meaningful upgrade.

04

Switch to PHP 8.1+ or 8.2

EasyMedium impact

In hPanel → PHP Configuration, check your PHP version. Many Hostinger accounts default to PHP 7.4 (EOL). PHP 8.1 and 8.2 execute WordPress 15–25% faster. Switch and monitor for any plugin compatibility issues — fix or replace incompatible plugins.

05

Disable Unused Hostinger-Installed Plugins

EasyMedium impact

Hostinger auto-installs plugins like Hostinger AI Assistant, AIOSEO, and their performance tools. Each adds PHP overhead. Audit and deactivate any plugin you're not actively using. A lean plugin stack (under 10 active plugins) is critical on resource-limited plans.

If none of these work…

Hostinger's entry plans have a hard PHP memory ceiling that makes WooCommerce and complex page builders unstable. If memory errors persist after increasing limits, the plan itself cannot support your site's requirements.

The Infrastructure Fix

Some performance problems can't be fixed with plugins.

MevoHost runs NVMe SSD, LiteSpeed, PHP 8.3, Redis, and Cloudflare CDN on every plan — the stack that makes WordPress fast by default, not by accident.

Free Migration

We move your site from Hostinger — files, database, DNS.

NVMe SSD

3–5× faster storage than SATA SSD. Database queries are instant.

Redis Included

Object caching on every plan. No plugin configuration required.

Ready to migrate? Free migration guide from Hostinger

Frequently Asked Questions

More WordPress Speed Fix Guides