Cloudflare Migrated Its Blog to EmDash System

The company moved its main blog from WordPress to its custom, open-source content management platform.

Updated on Sept. 26, 2026 in Data Centers

Bold flat-color editorial illustration featuring modular digital shapes representing a server infrastructure transition, in navy, cream, and deep red. — Cloudflare has migrated its corporate blog from WordPress to EmDash, a custom, open-source content management system designed to optimize site performance. AI Illustration. Upload story photo >

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Cloudflare has officially migrated its primary company blog from WordPress to EmDash, an open-source content management system it developed in-house. The transition aims to address performance limitations and latency spikes previously experienced under high load.

Why it matters

The migration to a custom platform built on Cloudflare Workers allows the company to optimize site performance and integrate advanced content management features. It demonstrates the capabilities of the company's own infrastructure to handle significant traffic spikes with increased stability.

The EmDash platform is powered by Cloudflare Workers and utilizes multiple caching layers to support traffic surges up to 5,000 requests per second. The system now includes an MCP server to facilitate content management and provide access for AI agents.

The players

Cloudflare

Cloudflare is a global cloud services provider that offers content delivery network services, DDoS mitigation, and internet security.

EmDash

EmDash is an open-source content management system developed by Cloudflare to run on its Workers edge computing platform.

WordPress

WordPress is a widely used open-source content management system that powers a significant portion of websites on the internet.

The details

To execute the transition, developers used a proxy Worker to incrementally route traffic from the legacy WordPress site to the new system, starting at 1% and reaching 100% within a single day. A version cookie was employed during the rollout to toggle between the legacy and new site experiences for incoming requests.

Cloudflare launched the v0.1.0 developer preview of EmDash in April 2026.
The blog migration to the new platform was completed in September 2026.

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The Tech Race

The move reflects a broader trend of companies migrating from traditional, legacy CMS architectures to edge-native frameworks designed for serverless execution. By transitioning to a system powered by the Cloudflare Workers platform, the firm is replacing centralized hosting bottlenecks with a highly distributed, high-capacity infrastructure.

Readers and developers may notice faster load times and increased site stability when accessing the company blog. This transition also enables new integrations, such as AI agent access, which could change how users interact with content on the platform.

The takeaway

This migration highlights how moving content management to the edge can eliminate the performance bottlenecks often associated with legacy blogging software. Organizations looking to improve site reliability under heavy traffic should consider the benefits of shifting to serverless-backed content frameworks.