Al Amin

<blockquote>
Professional-grade fatal error protection for WordPress websites.
</blockquote>
When a plugin update fails or your database server goes offline, most WordPress sites collapse into a broken white screen or generic server error. This hurts customer trust, interrupts sales, and can negatively impact SEO crawling.
FatalFlow intercepts fatal PHP and database failures before WordPress fully loads, displaying a clean branded recovery page instead of a broken website.
Perfect for agencies, WooCommerce stores, business websites, and production environments.
<h3>Why FatalFlow?</h3>
<h3>Protect Your SEO Rankings</h3>
FatalFlow returns a proper:
<pre><code>503 Service Unavailable
</code></pre>
response with a <code>Retry-After</code> header — helping search engines understand that your site is temporarily unavailable instead of permanently broken.
This helps reduce the risk of: 
– Google de-indexing 
– SEO ranking drops 
– Crawling issues caused by 500 errors
<h3>Prevent the “White Screen of Death”</h3>
Instead of exposing visitors to raw PHP fatal errors or blank pages, FatalFlow shows: 
– a professional maintenance screen, 
– loading indicator, 
– branded messaging, 
– modern glassmorphism UI.
<h3>Works Even When WordPress Fails</h3>
FatalFlow operates using: 
– MU-plugin recovery logic 
– <code>db-error.php</code> drop-ins 
– shutdown fatal handlers
This means protection still works when: 
– plugins crash, 
– themes break, 
– database connections fail, 
– WordPress core cannot fully boot.
<h3>Features</h3>
 Feature 
 Details
 Fatal error protection 
 Handles <code>E_ERROR</code>, <code>E_PARSE</code>, <code>E_CORE_ERROR</code>, <code>E_COMPILE_ERROR</code>
 Database outage recovery 
 Automatic <code>db-error.php</code> deployment
 SEO-safe maintenance mode 
 Sends proper <code>503</code> headers
 Zero dependency architecture 
 Works without database or active plugins
 Lightweight performance 
 No frontend slowdown during normal operation
 Beautiful recovery UI 
 Modern dark glassmorphism maintenance screen
 WP-CLI aware 
 Automatically skips handlers during CLI operations
 Safe cleanup 
 Removes generated files on deactivation
<h3>Technical Highlights</h3>
<ul>
<li>System-level recovery architecture</li>
<li>Early bootstrap interception</li>
<li>Automatic MU-plugin deployment</li>
<li>Database-independent rendering</li>
<li>Clean activation & deactivation flow</li>
<li>Minimal runtime overhead</li>
</ul>

FatalFlow – WordPress Fatal Error Recovery & SEO Protection

Protect your WordPress website from fatal errors, database crashes, and SEO damage with an instant recovery maintenance UI.

KenazChan

Database not responding is a very common issue in hosting a WordPress website. Instead of showing a blank page with an error message Error establishing a database connection, DB Error Customizer helps you to handle it professionally. Not only you can easily customize a beautifully designed database error page using our predefined templates, it tells your visitors that everything is under control.
<blockquote>
<h3>Premium Support</h3>
Our team does not always provide active support for the DB Error Customizer plugin on the WordPress.org. One-on-one email support is available to people who bought the <a href="http://dec.centil.co" rel="nofollow ugc">DB Error Customizer Premium</a> plugin only.
Note that the DB Error Customizer Premium plugin has many extra features too, including beautifully designed templates, animation effects and auto email alert. It might be well worth your investment!
</blockquote>
Below are the features of DB Error Customizer:
<ul>
<li>Comes with basic templates and allows you to customize:
<ul>
<li>Main message to show your visitor, instead of standard error</li>
<li>Sub message below main message</li>
<li>Font size adjustment</li>
<li>Font color adjustment</li>
<li>Background color</li>
</ul>
</li>
<li>Preview customized output before saving</li>
<li>Inform search engine that the error page is temporarily (HTTP 500 Internal Server Error header) and it should not cache it</li>
</ul>
<h3>Customize DB Error Page</h3>
After enabling DB Error Customizer, you can access it at Settings->DB Error Customizer. Below is description of each feature:
<ul>
<li>Template: Drop down option for you to select a predefined templates. The selected template will unlock different other options. (Free version only supports basic template)</li>
<li>Background Color: Change background color via color picker.</li>
<li>Font Color: Change main/sub title color via color picker.</li>
<li>Main Title: The main title of database error page.</li>
<li>Main Title Size: The size of main title.</li>
<li>Sub Title: The sub title of database error page.</li>
<li>Sub Title Size: The size of sub title.</li>
</ul>
Preview: When you press Preview button at the bottom of dashboard, a message box will apear at the top of dashboard with message Preview page generated successfully! Click Preview to proceed. You can press the Preview link to launch the preview page.
Setup/Update DB Error Page: When you press Setup/Update DB Error Page button at the bottom of dashboard, the plugin will save your settings and install this customized database error page to your WordPress. The page will automatically show up to visitor when your website’s database does not respond.
<h3>Support</h3>
Please refer the developer’s site at <a href="http://centil.co" rel="nofollow ugc">Centil Technology</a>. If you would like to provide feedback/contact or just drop us an email, please feel free to contact us at info[at]centil[dot]co

DB Error Customizer – Free

It is a useful and high quality plugin. Although the free version does not provide full features, however it is good enough to start.



This is a handy plugin to save my day

With DB Error Customizer, it helps you to handle Error establishing a database connection problem easily and professionally.

FatalFlow – WordPress Fatal Error Recovery & SEO Protection vs DB Error Customizer – Free