🆚 Preload vs. Speculation Rules
- 📈 Preload is noticeably more popular than Speculation Rules.
- 🌎 Preload is more popular in the United States, the United Kingdom, and Germany.
- 🌍 Speculation Rules is more popular in Pakistan, the Philippines, and Nigeria.
Statistics based on 3.3M+ analyzed websites. About this data
Preload
Speculation RulesType
Performance optimization technology
Performance optimization technology
About
The rel="preload" attribute on 
HTML <link> elements.
The Speculation Rules API is used to improve navigation performance by prefetching or even prerendering future navigations.
Headquarters
Cambridge, Massachusetts, United States
Mountain View, California, United States
Categories
Performance Optimization › Rank #4
Performance Optimization › Rank #5
Standards › Rank #9
Standards › Rank #11
Popularity
Determined by the number of sites using each technology.
Preload performance optimization technology is 1.4 times more popular than Speculation Rules.
Total websites
Market share
Performance Optimization
Standards
Popularity by country
Determined by the number of sites detected from each country.
Preload is more popular in the United States, the United Kingdom, and Germany, while Speculation Rules is more popular in Pakistan, the Philippines, and Nigeria.
United States
United Kingdom
Germany
France
Spain
Japan
Netherlands
Australia
Italy
India
Awards
- 🥇 Most popular in Indonesia in the Performance Optimization category.
- 🥇 Most popular in Mongolia in the Performance Optimization category.
- 🥇 Most popular in Saint Helena in the Performance Optimization category.
- 🥇 Most popular in Turkmenistan in the Performance Optimization category.
- 🥈 Second most popular in Germany in the Performance Optimization category.
- 🥉 Third most popular in Uganda in the Performance Optimization category.
- 🥉 Third most popular in Trinidad and Tobago in the Performance Optimization category.
- 🥉 Third most popular in Rwanda in the Performance Optimization category.
- 🥉 Third most popular in Guyana in the Performance Optimization category.
- 🥉 Third most popular in New Caledonia in the Performance Optimization category.
Popularity by domain category
Determined by the number of sites in each category.
Preload is more popular among sites focused on business, online shopping, and marketing and merchandising, while Speculation Rules is more commonly used on blogs and wiki, non-profit, advocacy and NGO, and travel sites.
Business
Online Shopping
Marketing/Merchandising
Blogs/Wiki
Education/Reference
Internet Services
Entertainment
Health
General News
Non-Profit/Advocacy/NGO
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Instant.Page
Google company profile🗃️ 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 3,375,483 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.