Blog - AI, Development, SaaS & Digital Marketing Guides

Explore expert articles on AI, software development, CRM automation, SaaS tools, Google Sheets, React, mobile apps, and digital marketing. Actionable guides, tutorials, and industry insights from IsItDev.

Close-up view of edge server status lights representing CDN caching for static landing page deployment

Deploy a Static Landing Page: Hostinger, Namecheap & CDN

Deploy your static landing page directly to Hostinger, route DNS through Namecheap, and wrap it with an edge CDN for lightning-fast global delivery. Here is the exact production configuration to eliminate caching bugs and avoid high platform fees.

Terminal screen showing curl output with HTTP response headers bypassing CDN edge cache

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.

Configure SPF, DKIM, and DMARC in Namecheap DNS

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.

Terminal screen showing WP-CLI theme install and demo content import commands

Install Envato Theme and Demo Content with WP-CLI

Browser uploads often choke and drop out when installing bloated Envato themes and gigabyte-sized demo files. Here is how I install the theme, batch-activate required plugins, and trigger demo imports over SSH using WP-CLI.

Close-up of server rack hardware and fiber cabling representing CDN origin shield architecture

Configure CDN Origin Shielding to Prevent Cache Stampedes

A sudden cache purge on high-traffic sites can instantly overwhelm your origin server with hundreds of simultaneous edge requests. Here is how to configure CDN origin shielding and origin-side cache locking to collapse stampedes into a single request.

Close-up of a developer running terminal checks and code linting for a WordPress theme audit

Audit and Choose an Envato WordPress Theme Safely

Most ThemeForest themes look great on marketing demos but crumble under real traffic or lock your data into proprietary code. Here is how I test live demos, scan zip archives, and audit theme source code before deploying to production.

Enterprise rack server with illuminated network cables demonstrating CDN edge cache routing

Override Origin Cache-Control Headers with CDN Edge Rules

When your origin app sends no-cache or short TTL headers, your CDN acts like a simple reverse proxy instead of an edge accelerator. Here is how to take control of edge caching rules and override origin headers without touching legacy backend code.