Founder, WP Fix Stack
Stefan runs WP Fix Stack and personally tests every fix published here on real WordPress installs before it's written up — from Elementor and plugin conflicts to Cloudflare edge rules and aaPanel/Nginx server configuration. Every guide reflects issues he's actually reproduced and resolved, not summarized from someone else's post.
Restoring a WordPress backup and hitting "packet bigger than max_allowed_packet"? Here's the real MySQL cause, not phpMyAdmin's upload limit, and the fix.
Getting 'Updating failed: The response is not a valid JSON response' in the WordPress editor? Here's how to find the Cloudflare rule blocking it and the fix.
Switched PHP versions in aaPanel and WordPress now shows 'Error establishing a database connection'? It's almost always a missing extension, not lost data.
aaPanel's Let's Encrypt certificate stuck, expired, or failing to renew? Here's exactly why it happens on WordPress sites and the safe step-by-step fix.
Old domain still showing up after an All-in-One WP Migration import? Here's why Find & Replace misses some URLs, and how to safely clean up the rest with WP-CLI.
AVIF uploads to WordPress showing no generated thumbnails? It's almost always your server's PHP image library (GD vs Imagick) lacking AVIF support.
A plugin update can white-screen your site or break a layout. Here's the fastest responsible way to take a safety net first — about 60 seconds.
Restoring a backup after a hack is safe — but only if it genuinely predates the compromise. Here's how to check, and what to do either way.
The Cloudflare + WordPress settings that actually matter — the SSL mode that prevents redirect loops, the cache rules that don't break wp-admin, and where our tested Cloudflare fixes apply once the setup is done.
Stuck in a Cloudflare Managed Challenge loop on wp-login.php or wp-admin? Here's why it happens and the exact settings to fix it without disabling security.
Cloudflare deprecated Page Rules and your WordPress HTTPS or www redirect stopped working. Here's how to find the old rule and rebuild it as a Redirect Rule.
A field guide to the WordPress errors we see most often — what each one actually means, how to tell them apart, and links to the exact fix for each.
Duplicator package build frozen or showing a Host Build Interrupt error? Here's the exact order to fix it: database export mode, ZipArchive, then PHP limits.
Elementor breaking on GeneratePress? Fix the three most common conflicts: WooCommerce widget clashes, mobile scroll bugs, and blog layout overrides.
Elementor editor stuck loading or blank in Firefox but fine in Chrome? Open DevTools, enable Disable Cache, and hard refresh to fix it.
Elementor editor stuck or broken on the live page? Tell whether it's a plugin conflict, a theme conflict, or a server limit — plus our 5 tested fixes.
Elementor slider or carousel broken only on mobile? It's likely still built on the old Section structure — here's how to convert it to a Flexbox Container.
Elementor pages lost their styling after moving to a new host or domain? Regenerate Elementor's CSS, confirm the site URL updated fully, and check CSS Print Method.
Elementor editor showing a white screen on your aaPanel-hosted WordPress site? Raise memory_limit and max_execution_time safely from aaPanel's PHP settings tab.
WooCommerce products, portfolio items, or other custom post types 404ing after a permalink change? Here's how to fix it without breaking other pages.
WordPress showing a 500 Internal Server Error on aaPanel? Check the right logs first, then fix the four causes that actually cause it, in the safest order.
WordPress admin login keeps redirecting back to wp-login.php? Here's how to tell if Cloudflare Turnstile, Bot Fight Mode, or your SSL mode is the cause.
White screen or 'There has been a critical error' right after upgrading to PHP 8.1? Revert PHP first, then find the exact plugin causing it with WP_DEBUG_LOG.
Every page 404s after changing your WordPress permalink structure? Here's the Apache fix, the Nginx fix, and how to tell which server you're on.
Gutenberg won't save, or an app integration fails, on an aaPanel site? aaPanel's firewall/WAF may be blocking /wp-json/ requests — here's how to check and fix it.
A complete WordPress migration is more than the database and your uploads. The full manifest, the gaps in common tools, and what no backup captures.
Locked out of wp-admin by a broken plugin, with no FTP access either? Here's how to deactivate it safely from phpMyAdmin, no file access needed.
Verify a WordPress backup actually works before you need it under pressure — free, on your own computer, using Local (formerly Local by Flywheel).
A tested comparison of the WordPress backup and migration plugins we've actually run restores with — plus where to go when each one breaks.
Setting up WordPress on aaPanel? The SSL, PHP version, Cloudflare, and firewall settings that actually matter — plus our 6 tested fixes for what breaks.
UpdraftPlus showing a specific backup error? Here's what each real error message means and the fix — disk space, permissions, security blocks, PHP limits.
A big WordPress backup is usually old archives, caches, and logs swept into the file — not your content. How to find the bloat and cut it safely.
High TTFB on aaPanel WordPress hosting despite LiteSpeed Cache? It's usually PHP-FPM pool limits or two caching layers fighting each other. Here's the fix.
Widgets or a sidebar went blank after a domain change, but the rest of the site is fine? Here's why serialized data breaks that way, and the safe fix.
Order count badge still shows a number, but the Orders list is empty after a migration? It's almost never data loss — here's the real cause and the fix.
A PHP version switch doesn't slow WordPress by itself — but it can land you on OPcache off, a missing cache extension, or a deprecation-notice flood.
Stuck in an infinite WordPress login redirect after a Cloudflare Turnstile update? Here's the Wordfence two-factor conflict causing it and how to fix or unlock it.
WordPress stuck in a redirect loop after putting Cloudflare in front of aaPanel? It's almost always mismatched SSL modes — here's the exact 3-step fix.
A practical, tested walkthrough of what actually moves WordPress speed and Core Web Vitals — caching layers, image formats, server-level tuning, and where each one gives you the most improvement for the least risk.
Site stuck showing 'Briefly unavailable for scheduled maintenance' after an update? Here's how to safely delete the .maintenance file and confirm nothing broke.
White screen right after changing PHP versions in aaPanel? Revert first, then find the real cause: a missing extension or an incompatible plugin.
WPvivid restore hanging at a percentage or failing outright? Here's how to tell which of the four real causes you're hitting, and the exact fix for each.
Live chat widgets like Tawk.to or Crisp can wreck your INP score. Here's how to delay the widget's script until real user interaction, without losing chat.
Scheduled WordPress backups can silently stop running for weeks on low-traffic sites. Here's how to verify your last real backup and fix wp-cron for good.