WordPress and technical SEO problems should not take hours to understand. I created this troubleshooting library to help you diagnose errors, restore broken features, improve performance, and resolve common SEO issues.
These guides draw on more than 15 years of hands-on experience auditing, repairing, and maintaining real websites. Find the problem that matches yours below. Before changing files, plugins, or database settings, create a current backup.
Critical WordPress Errors and Downtime
Start here if your website will not load, displays a server error, or gets stuck during maintenance.
Fix a WordPress Critical Error
Fix the White Screen of Death
Fix a 500 Internal Server Error
Fix a 502 Bad Gateway Error
Fix a Database Connection Error
Repair a WordPress Database
Fix a Memory Exhausted Error
Fix WordPress Maintenance Mode
Login, Permissions and Dashboard Problems
Troubleshoot login failures, access restrictions, missing dashboard features, and a slow WordPress admin area.
Fix a 403 Forbidden Error
Fix WordPress Access Denied
Fix the Login Redirect Loop
Fix Password Reset Problems
Restore the Missing Admin Bar
Fix a Slow WordPress Dashboard
Links, Search and Content Problems
Find fixes for broken links, redirect loops, search problems, and posts that fail to publish on schedule.
Fix WordPress 404 Errors
Fix Broken WordPress Links
Fix Too Many Redirects
Fix WordPress Search
Fix Missed Scheduled Posts
Uploads, Updates and Code Errors
Resolve file size limits, failed updates, installation errors, and email delivery problems.
Increase the Upload File Size
Fix WordPress Update Errors
Fix Destination Folder Exists
Fix WordPress Email Delivery
Malware Recovery
If your site is compromised, start with the hacked WordPress recovery guide. For ongoing security checks and prevention, explore WordPress maintenance resources.
Technical SEO Errors
Work through specific audit findings involving indexing rules, internal links, URLs, sitemaps, and page code.
- Pages blocked by X-Robots-Tag: noindex HTTP header
- Orphaned pages (from Google Analytics)
- Fix ‘URL Too Long’ issue in Semrush site audit
- Issues with unminified JavaScript and CSS files
- HTTP URLs in sitemap.xml for HTTPS site
- Pages with low text-HTML ratio
- Sitemap.xml not indicated in robots.txt
Related Resource Hubs
Google Search Console: understand reports, investigate indexing, and choose what to fix.
WordPress Maintenance: explore plugin, theme, speed, and security guides alongside ongoing support options.
Law Firm Schema: use the generator, markup examples, and legal directory guidance.
Real WordPress and Technical SEO Case Studies
See how development, troubleshooting, and ongoing support come together on real projects.

