🆚 Prefetch vs. Rocket Loader
- 📈 Prefetch is slightly more popular than Rocket Loader.
- 🌎 Prefetch is more popular in the United States, Vietnam, and Germany.
- 🌎 Rocket Loader is more popular in the United Kingdom, India, and Brazil.
Statistics based on 3.5M+ 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
EnterpriseCustom
Categories
Popularity
Determined by the number of sites using each technology.
Prefetch performance optimization technology is 1.1 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, Vietnam, and Germany, while Rocket Loader is more popular in the United Kingdom, India, and Brazil.
United States
United Kingdom
Vietnam
Germany
France
India
Brazil
Spain
Australia
Netherlands
Awards
- ⭐ 5th most popular in Vietnam in the Performance Optimization category.
- ⭐ 6th most popular in Thailand in the Performance Optimization category.
- ⭐ 6th most popular in Iran in the Performance Optimization category.
- ⭐ 6th most popular in Cambodia in the Performance Optimization category.
- ⭐ 6th most popular in Iceland 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 Israel 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.
Popularity by domain category
Determined by the number of sites in each category.
Prefetch is more popular among sites focused on online shopping, sports, and fashion and beauty, while Rocket Loader is more commonly used on business, marketing and merchandising, and blogs and wiki sites.
Business
Online Shopping
Marketing/Merchandising
Blogs/Wiki
Internet Services
Education/Reference
Entertainment
Travel
General News
Software/Hardware
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Speculation Rules
Instant.Page🗃️ 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 3,531,690 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.