🆚 Prefetch vs. Rocket Loader
- 📈 Prefetch is noticeably more popular than Rocket Loader.
- 🌎 Prefetch is more popular in the United States, the United Kingdom, and Vietnam.
- 🌍 Rocket Loader is more popular in India, Indonesia, and Turkey.
Statistics based on 3.8M+ analyzed websites. About this data
Prefetch
Rocket LoaderType
Performance optimization technology
Performance optimization technology
About
The rel="prefetch" attribute on 
HTML <link> elements tells the browser to download resources that are likely to be needed for future navigation when the current page is idle.
It allows caching resources in advance with low priority and is commonly used for next-page documents, scripts, styles, or assets in multi-step flows.
CloudFlare Rocket Loader prioritizes website content by delaying loading of all 
JavaScript until after rendering.
Headquarters
Cambridge, Massachusetts, United States
San Francisco, California, United States
Pricing
Free version ✔️
Pro $25/month
Business $250/month
Enterprise Custom
Categories
Popularity
Determined by the number of sites using each technology.
Prefetch performance optimization technology is 1.7 times more popular than Rocket Loader.
Total websites
Market share
Performance Optimization
Popularity by country
Determined by the number of sites detected from each country.
Prefetch is more popular in the United States, the United Kingdom, and Vietnam, while Rocket Loader is more popular in India, Indonesia, and Turkey.
United States
United Kingdom
Vietnam
Germany
France
Brazil
Australia
India
Spain
Japan
Awards
- ⭐ 6th most popular in Vietnam in the Performance Optimization category.
- ⭐ 6th most popular in Sweden in the Performance Optimization category.
- ⭐ 6th most popular in Thailand in the Performance Optimization category.
- ⭐ 6th most popular in South Africa in the Performance Optimization category.
- ⭐ 6th most popular in Iran in the Performance Optimization category.
- ⭐ 6th most popular in Indonesia in the Performance Optimization category.
- ⭐ 6th most popular in Turkey in the Performance Optimization category.
- ⭐ 6th most popular in Bangladesh in the Performance Optimization category.
- ⭐ 6th most popular in Nepal in the Performance Optimization category.
- ⭐ 6th most popular in Nigeria in the Performance Optimization category.
Popularity by domain category
Determined by the number of sites in each category.
Prefetch is more popular among sites focused on business, online shopping, and marketing and merchandising, while Rocket Loader is more commonly used on blogs and wiki, Internet services, and education and reference sites.
Business
Online Shopping
Marketing/Merchandising
Blogs/Wiki
Internet Services
Education/Reference
Entertainment
Travel
General News
Fashion/Beauty
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,814,833 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.