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Technology · Servers

Cloudflare Rocket Loader

developers.cloudflare.com

Cloudflare Rocket Loader is a performance optimization feature that prioritizes content loading by deferring JavaScript execution.

Cloudflare Rocket Loader belongs toPerformancecategory.

29websites

use it — 1.1% of the 2,555 websites we scanned in the last 12 months

#3of 29

tools in its category seen in our scans (we recognize 69)

1public pages

on UptimeCard — open any of them to see how that site is doing

1.78% of all websites we track run Cloudflare Rocket Loader▼ 0.01 points since 20 Sep

How Cloudflare Rocket Loader sites are built

Closest partners. The number says how many times more often the tool runs on Cloudflare Rocket Loader sites than on an average website. Hover a partner for its share of sites.

Cloudflare Browser Insights5×Google AdSense5×Bootstrap3×Cloudflare2×

Usually installed alongside

The bigger the bubble, the more of the 29 Cloudflare Rocket Loader sites also run the tool. Colour shows what the tool does. Hover or tap a bubble for details.

Google Analytics59%Cloudflare Browser Insights45%Google Ads Conversion Tracking10%Google Tag Manager52%Google AdSense21%Google Ads10%OneTrust14%Funding Choices10%Yoast SEO10%
AnalyticsTag managerAdvertisingCookie consentSearch visibility

Questions about Cloudflare Rocket Loader

How many websites use Cloudflare Rocket Loader?
We found Cloudflare Rocket Loader on 29 of the 2,555 websites we scanned in the last 12 months (1.1%). 1 of them have a public status page.
What is Cloudflare Rocket Loader often used with?
Among the websites we scan, Cloudflare Rocket Loader is often found alongside Cloudflare (93.1% of its sites), Cloudflare Browser Insights (44.8% of its sites), PHP (41.4% of its sites).
What are the alternatives to Cloudflare Rocket Loader?
Other performance tools we recognize include Priority Hints, LazySizes, Azure Monitor, Autoptimize.

Is your website built with Cloudflare Rocket Loader?

UptimeCard checks it around the clock, tells you the minute it stops answering, and gives your visitors a status page.