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Why does my WordPress site break after migrating to a new host?
Post-migration breakage usually comes from incorrect paths, missing files, or PHP version differences.Even when the database imports cleanly, environment differences can cause subtle failures. Start by checking PHP version compatibility and file permissions. Then confirm database credentials in wp-cRead more
Post-migration breakage usually comes from incorrect paths, missing files, or PHP version differences.
See lessEven when the database imports cleanly, environment differences can cause subtle failures.
Start by checking PHP version compatibility and file permissions. Then confirm database credentials in
wp-config.php. Finally, run a search-and-replace to update old URLs.Serialized data can break if replaced incorrectly, so tools that understand serialization are essential. Manual SQL replacements often cause more harm than good.The key mistake is assuming “successful import” means “fully working site.”
The takeaway is to validate environment parity before and after migration.
Why does my WordPress site show a white screen after activating a plugin?
A white screen right after activating a plugin almost always means a fatal PHP error is occurring before WordPress can render anything.This typically happens when the plugin is incompatible with your PHP version, conflicts with another plugin, or calls a function that no longer exists. The fastest wRead more
A white screen right after activating a plugin almost always means a fatal PHP error is occurring before WordPress can render anything.
This typically happens when the plugin is incompatible with your PHP version, conflicts with another plugin, or calls a function that no longer exists.
The fastest way to confirm this is to enable error logging by adding
define('WP_DEBUG', true);anddefine('WP_DEBUG_LOG', true);inwp-config.php. Reload the page and checkwp-content/debug.log. You’ll usually see the exact file and line causing the crash.Once you know the source, deactivate the plugin via FTP or file manager by renaming its folder. If the error mentions PHP 8.x issues, downgrading PHP temporarily or updating the plugin often resolves it. In some cases, replacing deprecated functions manually can be a short-term fix.
A common mistake is assuming the theme is at fault when the timing clearly points to the plugin activation.
See lessThe practical takeaway is to always check PHP compatibility before activating plugins on production sites.
Why does WooCommerce email sending fail silently?
Silent email failures usually occur because WordPress relies on PHP mail, which many hosts restrict.WooCommerce assumes mail delivery succeeds unless told otherwise. Configuring SMTP via a reliable mail service resolves most issues. Logs from SMTP plugins confirm delivery status.Spam filtering and iRead more
Silent email failures usually occur because WordPress relies on PHP mail, which many hosts restrict.
WooCommerce assumes mail delivery succeeds unless told otherwise.
Configuring SMTP via a reliable mail service resolves most issues. Logs from SMTP plugins confirm delivery status.Spam filtering and incorrect sender addresses can also block emails.The mistake is assuming “no error” means “email sent.”
See lessThe takeaway is to always use authenticated SMTP for transactional emails.
Why does WordPress show “There has been a critical error on this website” after updating PHP?
This error means a fatal PHP issue occurred that WordPress could not recover from.It commonly appears after a PHP upgrade when themes or plugins rely on deprecated functions or outdated syntax. Checking the recovery email or enabling WP_DEBUG_LOG usually reveals the exact cause. Functions removed inRead more
This error means a fatal PHP issue occurred that WordPress could not recover from.
It commonly appears after a PHP upgrade when themes or plugins rely on deprecated functions or outdated syntax.
Checking the recovery email or enabling
WP_DEBUG_LOGusually reveals the exact cause. Functions removed in newer PHP versions or strict type errors are frequent triggers.The fix is typically updating or replacing the incompatible plugin or theme. In urgent cases, temporarily downgrading PHP gives you access to fix the root issue.
A common mistake is assuming WordPress core is broken when the issue lies in custom code.
See lessThe takeaway is to test PHP upgrades in staging before applying them live.
How do I fix WooCommerce cart items disappearing after page refresh?
Cart items disappearing usually indicates session or cookie issues.WooCommerce relies on cookies to persist cart data across requests. Caching plugins, CDNs, or security headers can block or strip these cookies. Ensure cart and checkout pages are excluded from caching at all levels. Server-side objeRead more
Cart items disappearing usually indicates session or cookie issues.
WooCommerce relies on cookies to persist cart data across requests.
Caching plugins, CDNs, or security headers can block or strip these cookies. Ensure cart and checkout pages are excluded from caching at all levels.
Server-side object caching misconfigurations can also reset sessions unexpectedly. A frequent mistake is clearing cookies during testing and assuming WooCommerce is unstable.
The takeaway is that cart persistence depends heavily on correct cookie and cache handling.
See lessWhy does my WordPress site show outdated content after updates?
Outdated content usually means caching layers are not clearing properly.This can involve plugin caches, server caches, CDN caches, or even browser caching. Clearing only the WordPress cache plugin is often not enough. Verify hosting-level and CDN caches as well.Object caching can also serve stale daRead more
Outdated content usually means caching layers are not clearing properly.
This can involve plugin caches, server caches, CDN caches, or even browser caching.
Clearing only the WordPress cache plugin is often not enough. Verify hosting-level and CDN caches as well.Object caching can also serve stale database results if not flushed. The mistake is assuming one cache clear affects all layers.
The takeaway is to understand every caching layer in your stack.
See less