John Cavil

How to Sell Web Hosting with WooCommerce? Full Guide & Setup

This guide walks you through selling web hosting directly from WooCommerce using Sell Hosting for WooCommerce on Pofii infrastructure. No external billing systems. Everything runs inside WooCommerce.

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Install PHP 8.3, MySQL, phpMyAdmin, and Apache on Alma / Rocky Linux (LAMP Stack)

CentOS 7 is dead (EOL was June 30, 2024). AlmaLinux and Rocky Linux are supported, RHEL-compatible rebuilds, so if CentOS 7 were still alive, the overall LAMP install flow would look essentially the same.

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How to fix DNS_PROBE_FINISHED_NXDOMAIN (step by step)

When you see DNS_PROBE_FINISHED_NXDOMAIN, the browser is telling you it could not turn the domain name you typed into a valid IP address using DNS.

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How to install PHP 8.3 with Apache on Ubuntu

PHP 8.3 is now the default stable branch on many modern Linux distributions. It brings performance improvements and new language features that make it a very good choice for new projects and upgrades.

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INP Fixes: Kill Long Tasks with Chrome Profiler (Plain English)

INP (Interaction to Next Paint) measures how quickly your page visually responds after a user action (tap, click, key). Bad INP usually means the main thread is stuck doing long JavaScript tasks (≥50 ms). This...

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Robots.txt & Sitemaps: Clean Crawl for WordPress & WooCommerce

A clean crawl means Google spends time on the right URLs—your products, posts, and key pages—not search results, filters, or logins. This guide gives you a minimal robots.txt, shows what to noindex (not block), and...

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Real Cron for WordPress: Replace WP-Cron Safely (5 Minutes)

WordPress uses a “pseudo cron” (WP-Cron) that only runs when someone visits your site. That means missed tasks on low-traffic sites and random slowdowns on busy ones (orders, emails, backups, cleanups all firing during a...

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Optimize Your WordPress Database (Without Breaking WooCommerce)

A tidy database makes WordPress feel faster and keeps WooCommerce stable. This guide shows safe, reversible steps to cut bloat—no risky nukes. We’ll audit autoloaded options, clean transients and revisions, add a few helpful indexes,...

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WooCommerce Cart Fragments: Stop the AJAX Drag

Cart fragments can slow your store. They fire an AJAX request on every page to update the mini-cart. That extra call hurts TTFB and blocks render work. The fix is simple: limit fragments to where...

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WordPress Object Cache: Redis vs Memcached (Setup Guide)

If your WordPress site already has page caching but still feels sluggish in the admin or on dynamic pages (search, account, cart), you’re bottlenecked by database queries. That’s where the WordPress Object Cache comes in....

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Email Deliverability for Stores: SPF, DKIM, DMARC in Plain English

Order emails landing in spam cost money—lost trust, missed confirmations, support pain. The good news: you can fix most deliverability issues with three records and a simple rollout plan. This guide explains SPF, DKIM, and...

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Core Web Vitals for Websites: LCP, INP, CLS in 2025

Core Web Vitals tell you if your site feels fast. They measure three things: how fast the main content appears (LCP), how quickly the page reacts when you tap (INP), and how stable the layout...

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