🆚 HeadJS vs. SystemJS
- 📈 SystemJS is much more popular than HeadJS.
- 🌍 SystemJS is more popular in all countries.
Statistics based on 3.3M+ analyzed websites. About this data
HeadJS
SystemJSType
JavaScript library
JavaScript library
About
HeadJS is a 
JavaScript loader that loads scripts in parallel, but executes them in order.
SystemJS is a hookable, standards-based, dynamic ES module module loader.
Headquarters
Vancouver, Canada
GitHubPricing
Free ✔️Open source
Free ✔️Open source
Categories
Popularity
Determined by the number of sites using each technology.
The SystemJS JavaScript library is 173 times more popular than HeadJS.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
SystemJS is more popular than HeadJS in all countries.
United States
Russia
Germany
United Kingdom
Italy
France
Spain
Korea
Netherlands
Poland
Awards
- 🔥 20th most popular in Finland in the Legacy category.
- ⬆️ 40th most popular in Russia in the Legacy category.
- ⬆️ 46th most popular in Canada in the Legacy category.
- ⬆️ 47th most popular in the United States in the Legacy category.
- ⬆️ 50th most popular in Germany in the Legacy category.
- 🥈 Second most popular in Botswana in the JavaScript Libraries category.
- 🥈 Second most popular in Cape Verde in the JavaScript Libraries category.
- 🥉 Third most popular in Kazakhstan in the JavaScript Libraries category.
- ⭐ 4th most popular in Russia in the JavaScript Libraries category.
- ⭐ 4th most popular in Germany in the JavaScript Libraries category.
Popularity by domain category
Determined by the number of sites in each category.
SystemJS is more popular than HeadJS in all market segments.
Business
Marketing/Merchandising
Education/Reference
Online Shopping
Blogs/Wiki
Entertainment
Health
General News
Internet Services
Travel
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
jQuery🗃️ 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.