Elementor + XStore slow pages and memory errors

Hi,

Thank you for reaching out to us.

We recommend checking your server resources first, as the “Cannot allocate memory” message usually indicates insufficient PHP memory. Please increase the PHP memory limit to at least 512M or higher if possible. You can do this through your hosting control panel or by editing the wp-config.php file, or by contacting your hosting provider to get help.

Next, ensure that both XStore and Elementor are updated to their latest versions. Missing Elementor classes may appear if the plugin is outdated or partially disabled.
https://www.8theme.com/documentation/xstore/theme-installation/theme-update/
https://www.8theme.com/documentation/xstore/plugins/plugins-update/

For performance improvement, please:
– Disable any unused plugins and clear all caches after changes.
– In WP Rocket, avoid combining CSS/JS if Elementor’s optimization is already active, as this may cause conflicts.
– Use a reliable image optimization plugin and a CDN for faster content delivery.
Read more here – https://www.8theme.com/documentation/xstore/troubleshooting/the-ultimate-2025-guide-to-boosting-wordpress-speed-with-xstore-theme/ and https://www.8theme.com/documentation/xstore/troubleshooting/how-to-speed-up-my-website/

After applying these steps (from the docs also), please check your site speed again.

Best Regards,
8Theme’s Team