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How do I fix “Allowed memory size exhausted” errors in WordPress?
This error means WordPress hit the PHP memory limit while processing a request.It often appears during heavy operations like WooCommerce imports, backups, or page builder rendering. You can raise the limit by adding define('WP_MEMORY_LIMIT', '256M'); to wp-config.php. If the error persists, the servRead more
This error means WordPress hit the PHP memory limit while processing a request.
See lessIt often appears during heavy operations like WooCommerce imports, backups, or page builder rendering.
You can raise the limit by adding
define('WP_MEMORY_LIMIT', '256M');towp-config.php.If the error persists, the server-level PHP memory limit is lower and needs to be increased via
php.inior hosting control panel.The underlying cause is usually inefficient plugins, large queries, or unoptimized WooCommerce extensions. Disabling non-essential plugins and testing again helps narrow it down quickly. One common oversight is increasing WordPress memory but not PHP memory, which makes the change ineffective.
The key takeaway is that memory errors are often symptoms of deeper performance problems, not just low limits.
How do I fix mixed content warnings after enabling HTTPS on WordPress?
Mixed content warnings occur when assets still load over HTTP.This usually happens after enabling HTTPS without updating stored URLs. Run a search-and-replace for http:// to https:// in the database. Then inspect theme and plugin files for hardcoded URLs. Browser dev tools help identify remaining ofRead more
Mixed content warnings occur when assets still load over HTTP.
See lessThis usually happens after enabling HTTPS without updating stored URLs.
Run a search-and-replace for
http://tohttps://in the database. Then inspect theme and plugin files for hardcoded URLs.Browser dev tools help identify remaining offenders quickly. A common mistake is relying only on redirects instead of fixing the root URLs.
The takeaway is that HTTPS requires clean asset references, not just SSL certificates.
Why does WordPress cron fail to run scheduled tasks?
WordPress cron depends on site traffic and can fail on low-traffic sites.Blocked loopback requests also prevent tasks from running. Disabling WP-Cron and setting a real server cron job improves reliability. Logs help identify failing tasks. Security plugins and firewalls can block cron requests sileRead more
WordPress cron depends on site traffic and can fail on low-traffic sites.
Blocked loopback requests also prevent tasks from running. Disabling WP-Cron and setting a real server cron job improves reliability. Logs help identify failing tasks.
Security plugins and firewalls can block cron requests silently. The mistake is assuming cron runs automatically like system cron.
See lessThe takeaway is to use real cron jobs for mission-critical tasks.
Why does WordPress show 500 errors after restoring a backup?
500 errors after restores usually indicate permission or configuration issues.Files may not have correct ownership, or .htaccess rules may be incompatible. Reset file permissions and regenerate .htaccess via permalinks. Check PHP version alignment with the backup source. Server error logs provide prRead more
500 errors after restores usually indicate permission or configuration issues.
Files may not have correct ownership, or
.htaccessrules may be incompatible.Reset file permissions and regenerate
.htaccessvia permalinks. Check PHP version alignment with the backup source.Server error logs provide precise failure reasons.The common mistake is ignoring server-level differences during restore. The takeaway is that restores must respect hosting environment constraints.
See lessHow do I resolve WordPress REST API errors breaking the editor?
REST API errors usually prevent the block editor from functioning correctly.They often stem from authentication issues, blocked endpoints, or malformed responses. Security plugins and server firewalls frequently block REST routes. Temporarily disabling them helps isolate the cause. Permalink misconfRead more
REST API errors usually prevent the block editor from functioning correctly.
They often stem from authentication issues, blocked endpoints, or malformed responses.
Security plugins and server firewalls frequently block REST routes. Temporarily disabling them helps isolate the cause.
Permalink misconfiguration or PHP warnings outputting before JSON responses can also break API calls.
A common oversight is ignoring REST errors because the frontend still loads.
See lessThe takeaway is that modern WordPress depends heavily on a healthy REST API.