Cloudflare RocketLoader

CDN

Website

https://developers.cloudflare.com/speed/optimization/content/rocket-loader/ DNS

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Description

Cloudflare RocketLoader is a performance optimization feature that asynchronously loads JavaScript resources to improve page load times. It defers non-critical JavaScript execution, allowing pages to render faster and improving user experience and Core Web Vitals scores.

Status Page

https://www.cloudflarestatus.com/

Recent Incidents (Last 24 Hours)

Last refresh: 2026-06-27 11:30 UTC (7m ago)

Increased 499 errors in Ashburn, US between 13:48 - 14:06 UTC

Resolved

Visitors, specifically in the Ashburn, US region between 13:48 - 14:06 UTC today, may have encountered 499 errors. This issue did not affect any other Cloudflare services. The issue has since been rectified.

Incident

Location: United States (US)

Started: 2026-06-26 13:48 UTC (21h ago)

Updated: 2026-06-26 14:58 UTC (20h ago)

Resolved: 2026-06-26 13:48 UTC (21h ago)

Provider

cloudflare