If frontend pages fail while server appears online, start with headers, logs, then plugin/theme isolation.
Quick diagnostic flow
- Check response code and redirects with
curl -I. - Inspect Apache error log for fatal PHP errors.
- Disable plugins and switch theme temporarily.
- Validate DNS/TLS if behind proxy/CDN.
Useful commands
curl -I https://www.wordpresshosting.solutions/
wp plugin deactivate --all
wp theme activate twentytwentyfour
sudo tail -n 120 /var/log/apache2/error.logCommon causes
- Plugin autoload/fatal conflict
- Corrupt update deployment
- Blocked REST/XMLRPC path rules
- PHP extension mismatch
Validation
Re-test key user paths and review service logs after each change.
Further reading: WordPress Troubleshooting Guide
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