🆚 HeadJS vs. SystemJS
- 📈 SystemJS is much more popular than HeadJS.
- 🌎 SystemJS is more popular in the United States, Germany, and Russia.
- 🌍 HeadJS is more popular in Finland and New Zealand.
Statistics based on 3.8M+ 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 6 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 in the United States, Germany, and Russia, while HeadJS is more popular in Finland and New Zealand.
United States
Germany
Russia
Japan
United Kingdom
Canada
Italy
Australia
France
Poland
Awards
- ⬆️ 44th most popular in the United States in the Legacy category.
- ⬆️ 53rd most popular in Germany in the Legacy category.
- ⬆️ 184th most popular in the United States in the JavaScript Libraries category.
- ⬆️ 211st most popular in Germany in the JavaScript Libraries category.
- ⬆️ 73rd most popular in Russia in the JavaScript Libraries category.
- ⬆️ 91st most popular in Germany in the JavaScript Libraries category.
- ⬆️ 103rd most popular in Ukraine in the JavaScript Libraries category.
- ⬆️ 109th most popular in Japan in the JavaScript Libraries category.
- ⬆️ 117th most popular in Greece in the JavaScript Libraries category.
Popularity by domain category
Determined by the number of sites in each category.
SystemJS is more popular among sites focused on business, online shopping, and marketing and merchandising, while HeadJS is more commonly used on education and reference sites.
Business
Education/Reference
Online Shopping
Marketing/Merchandising
General News
Public Information
Health
Sports
Non-Profit/Advocacy/NGO
Blogs/Wiki
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 3,816,780 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.