Checking WordPress core file integrity with WP-CLI Core checksum verification compares WordPress core files with the expected distribution. It can reveal missing or changed core files, but a successful…

Checking WordPress cron events with WP-CLI WP-CLI can list scheduled WordPress events so you can see their hook names, next run times and recurrence. Begin with read-only inspection and…

Diagnosing a slow WordPress dashboard A slow WordPress dashboard needs a different investigation from a slow cached public page. Measure which administrative request is slow and review…

Diagnosing why WordPress email is not arriving A successful WordPress form or mail function call does not guarantee that the recipient received the message. Trace generation, transport and recipient…

Enabling a temporary WordPress debug log safely A temporary debug log can capture the PHP error behind a failed WordPress request without intentionally displaying those details to visitors. Enable it…

Finding the source of a WordPress 404 after a permalink change A 404 after a permalink change can mean an old URL needs a redirect or the new URL is not routed correctly. Separate those cases before changing the…

Finding why scheduled posts missed publication A missed scheduled post can result from a timezone misunderstanding or a scheduled-event runner that did not execute successfully. Check both the…

Investigating WordPress memory exhausted errors A memory-exhausted error means a PHP request reached its configured memory limit. Identify the request and component consuming memory before raising…

Investigating a 403 response in WordPress admin A 403 response means access was refused, but the refusing layer may be WordPress, a security plugin, a web-server rule or a hosting firewall. Identify…

Listing plugins and themes with WP-CLI for support A WP-CLI inventory records installed plugin and theme names, statuses and versions for troubleshooting. Start with these read-oriented commands rather…

Reading a WordPress fatal error and identifying the component A fatal-error message can identify where WordPress stopped processing a request. Read the error type, file path and call context together, because the…

Replacing visitor-triggered WordPress cron with a scheduled task A scheduled hosting task can trigger WordPress background work at regular intervals instead of waiting for visitor traffic. Configure and verify the…

Resolving a stuck maintenance-mode message WordPress can show a temporary maintenance message while an update runs. If it remains after the update has stopped, inspect the update state before…

Resolving the editor's invalid JSON response error An invalid JSON response usually means the editor expected a structured API reply but received something else, such as an HTML error page, redirect or…

Sharing a sanitised WordPress error log with support A short, relevant error-log excerpt helps support identify a WordPress failure more quickly than an unfiltered archive. Preserve the technical evidence…

Testing plugin conflicts without disrupting public visitors Investigate a suspected plugin conflict on staging or through a supported session-isolated troubleshooting mode. Avoid deactivating every plugin on a…

Troubleshooting a WordPress update download failure An update download failure can occur before any files are replaced, but inspect the reported state before assuming the installation is unchanged. Check…

Troubleshooting a failed WordPress REST API request A REST API failure can affect the block editor, integrations and administrative tools. Identify the exact endpoint, response status and authentication…

Troubleshooting an error establishing a database connection This error means WordPress could not complete the database connection it needs. Check service availability and the intended connection settings without…

Troubleshooting failed loopback requests A loopback request is a request the WordPress server makes back to the website. A failed loopback test can affect scheduled work and some administrative…

Troubleshooting redirect loops after enabling HTTPS A redirect loop occurs when two or more rules repeatedly send a request back to each other. After enabling HTTPS, inspect the hostname, scheme and proxy…

Troubleshooting the WordPress white screen of death A blank WordPress page can result from a fatal error, exhausted resources or a display problem. Establish whether the server returned an empty or…

Understanding and clearing WordPress and NGINX cache layers When a saved WordPress change is not visible, first identify which cache serves the old result. Your browser, a WordPress plugin, a server-side page…

Using Site Health to collect useful WordPress diagnostics Site Health provides a structured overview of WordPress configuration and diagnostic checks. Use it to collect evidence about a problem, then interpret…

Using WP-CLI safely on a hosting account with several sites When several WordPress installations share a hosting account, use an explicit path and verify the site identity before running WP-CLI. A valid command…

Using WordPress recovery mode after a plugin error WordPress recovery mode can help an administrator regain access after certain fatal errors by pausing the failing component for that recovery session.…