Cloudflare

Cloudflare × WordPress Troubleshooting: Solutions for Redirect Loops and 403 Errors

This article explains the causes and specific solutions for common issues that arise when setting up Cloudflare on WordPress, such as "ERR_TOO_MANY_REDIRECTS" (redirect loops), "403 Forbidden" errors, and errors accessing the admin dashboard.

2026.04.01

SERVER

Cloudflare × WordPress Complete Setup Guide [Updated for 2026]

From how to set up Cloudflare—which dramatically improves the loading speed and security of your WordPress site—to detailed caching configurations using Cache Rules, WAF protection, and solutions for common redirect errors, we’ll provide a thorough, practical guide.

2026.03.31

SERVER

The Fastest WordPress Optimization Setup: KUSANAGI + Cloudflare Achieves an 82% Improvement in TTFB in Real-World Tests

Exploring the fastest WordPress setup using a combination of VPS, KUSANAGI, and Cloudflare. Based on 13 real-world tests conducted over 12 hours, we confirmed an 82.89% improvement in desktop TTFB. We’ll introduce practical speed-optimization techniques—implementable without plugins—across three layers: server, CDN, and frontend.

2026.03.31

SERVER

How to Solve Troublesome Email Issues During a VPS Migration Using Cloudflare and SMTP2GO: Separating Incoming Email for Your Custom Domain from Outgoing Email for WordPress

When migrating WordPress to a VPS, you need to decide in advance how to handle your email setup, separate from the website migration. In this article, we’ve organized options such as Cloudflare Email Routing, SMTP2GO, Brevo, Sakura Mailbox, Amazon SES, Google Workspace, and Microsoft 365, and summarized criteria for choosing based on the number of outgoing emails, the number of recipient accounts, and estimated costs.

2026.03.29

SERVER