As of October 8, 2026, Cloudflare Rocket Loader is used by 204,240 websites in the TechLeads index: 1.6% of all Performance detections, the 6th most-used of 60 Performance technologies.
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TechLeads. "Cloudflare Rocket Loader Customers and Market Share." Data as of October 8, 2026. https://techleads.fyi/technology/cloudflare-rocket-loader/market-shareHTML link
<a href="https://techleads.fyi/technology/cloudflare-rocket-loader/market-share">Cloudflare Rocket Loader market share (TechLeads data)</a>Websites using each technology in the TechLeads index, and its share of all Performance detections.
| # | Technology | Websites | Share |
|---|---|---|---|
| 1 | Priority Hints | 9,295,436 | 72.3% |
| 2 | LazySizes | 1,495,151 | 11.6% |
| 3 | WP Fastest Cache | 350,105 | 2.7% |
| 4 | Autoptimize | 251,675 | 2.0% |
| 5 | EWWW Image Optimizer | 242,155 | 1.9% |
| 6 | Cloudflare Rocket Loader | 204,240 | 1.6% |
| 7 | WP-Optimize |
In HTTP Archive's monthly crawl of public websites, Cloudflare Rocket Loader was detected on 398,204 pages in September 2026, down 19.9% from a year earlier (peak: 563,568). Among the 1,000 most-visited sites, it appeared on 49. HTTP Archive is a separate dataset from the TechLeads index, so its numbers are not added to ours.
Same month, other Performance technologies in HTTP Archive: Priority Hints 20,928,022, Autoptimize 449,348, EWWW Image Optimizer 325,999, WP-Optimize 279,832, WP Fastest Cache 278,580.
Based on country-code domains (such as .de or .co.uk); websites on .com and other generic domains are not assigned a country.
See all 204,240 websites using Cloudflare Rocket Loader or download the full list as a CSV for $29.
TechLeads scans public websites and detects Cloudflare Rocket Loader from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is Cloudflare Rocket Loader's website count divided by the website counts of all Performance technologies we track; a site using two Performance tools counts for both. Counts were last refreshed on October 8, 2026 and update daily.
| 121,322 |
| 0.94% |
| 8 | Google Cloud Trace | 93,244 | 0.73% |
| 9 | Google PageSpeed | 81,345 | 0.63% |
| 10 | Lozad.js | 77,102 | 0.60% |
| 11 | Perfmatters | 60,150 | 0.47% |
| 12 | Performance Lab | 59,412 | 0.46% |
| 13 | LazySizes unveilhooks plugin | 56,110 | 0.44% |
| 14 | Turbo | 45,871 | 0.36% |
| 15 | a3 Lazy Load | 45,811 | 0.36% |
| 16 | Instant.Page | 37,265 | 0.29% |
| 17 | NitroPack | 31,975 | 0.25% |
| 18 | Intersection Observer | 31,697 | 0.25% |
| 19 | Azure Monitor | 29,877 | 0.23% |
| 20 | Cloudflare Zaraz | 26,224 | 0.20% |
| 21 | Image Placeholders | 21,334 | 0.17% |
Rows link to each competitor's market share page where one exists. The table lists the 21 most-used technologies; ranks are by website count.