Learn how to route dynamic customer subdomains to your application using wildcard DNS records in Namecheap. This guide covers DNS setup, Nginx reverse proxying, and automated SSL.
Configure Wildcard DNS in Namecheap for Multi-Tenant Apps
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Strip Set-Cookie Headers for Static Assets in StackPath
Origin servers that attach Set-Cookie headers to images and CSS ruin CDN cache hit rates. Here is how to strip Set-Cookie on StackPath Edge Rules and keep your assets cached.
Bypass CDN Edge Cache for Logged-In WordPress Users
Caching full HTML at the CDN edge drops TTFB to double digits, but logged-in users often see cached public pages or leak session bars. Here is the exact edge and origin configuration to bypass caching for active WordPress sessions.
Nginx Cache-Control Immutable: Speed Up Static Asset Caching
Stop browsers from sending conditional If-None-Match requests for versioned static assets on page reloads. Here is how to configure Cache-Control immutable properly in Nginx.
How to Replace WP-Cron with a Linux System Cron on Hostinger
Default WP-Cron introduces slow page responses and unreliable event scheduling by running on page requests. Here is how to disable it and trigger a real Linux cron job inside Hostinger hPanel.
Configure CAA Records in Namecheap DNS to Restrict SSL Issuance
Learn how to configure DNS Certification Authority Authorization (CAA) records in Namecheap to prevent unauthorized SSL certificate issuance. Lock down your domain to specific CAs like Let’s Encrypt or Sectigo.
Route Custom Domain Email to Gmail for Free with Namecheap
Paying $7 every month per inbox for Google Workspace just to get a contact address on a hobby project hurts. Here is how I routed custom domain email to a personal Gmail account for free using Namecheap DNS and a verified SMTP relay.
Register Custom Nameservers with Glue Records on Namecheap
When your nameservers share the same domain they host, DNS resolvers hit a circular dependency loop. Here is how to register glue records in Namecheap and verify propagation using dig.
Fix Root .htaccess Inheritance on Hostinger Subdomains
When Hostinger nests subdomains inside public_html, root .htaccess rewrite rules cascade down and trigger 404s or redirect loops. Here is how to stop Apache and OpenLiteSpeed from inheriting parent rules.
Configure SPF, DKIM, and DMARC in Namecheap DNS
Stop transactional and domain emails from landing in spam by setting up SPF, DKIM, and DMARC records correctly in Namecheap DNS. Here is the practical guide to configuring your TXT entries and verifying them via terminal.
Configure Nginx Reverse Proxy for Node.js WebSockets and PM2
Running Node.js WebSockets behind Nginx often triggers 400 Bad Request or abrupt 60-second connection drops. Here is the working configuration for Nginx reverse proxying, upgrade headers, and PM2 process management.
Enable Redis Object Cache for WordPress in Hostinger hPanel
Full-page caching skips logged-in users and dynamic queries. Here is how to configure native Redis object caching in Hostinger hPanel to cut database latency.