🆚 HAProxy vs. Sōzu
Statistics for Sōzu are still being collected and do not yet reflect its full market share.
HAProxy
SōzuType
Load balancer
Load balancer
About
HAProxy is an open-source load balancer and reverse proxy for TCP and HTTP-based applications.
It provides multiple load-balancing algorithms, TLS/SSL termination and certificate management, 
Lua scripting, a runtime API, hitless reloads, and built-in metrics for Prometheus.
Sōzu is an HTTP reverse proxy with runtime configurability and hot upgrades, built in 
Rust and used by 
Clever Cloud.
Headquarters
Newton, Massachusetts, United States
Nantes, France
Pricing
Free version ✔️ Community edition, open source
HAProxy Enterprise Custom
Free ✔️ AGPL-3.0, open source
Categories
Popularity
Determined by the number of sites using each technology.
Total websites
Market share
Load Balancers
Popularity by country
Determined by the number of sites detected from each country.
United States
France
United Kingdom
Germany
Canada
Poland
Spain
Austria
Netherlands
Sweden
Awards
- 🔥 12nd most popular in Germany in the Load Balancers category.
- 🔥 12nd most popular in Canada in the Load Balancers category.
- 🔥 13rd most popular in the United Kingdom in the Load Balancers category.
- 🔥 13rd most popular in France in the Load Balancers category.
- 🔥 15th most popular in the United States in the Load Balancers category.
- ⭐ 10th most popular in France in the Load Balancers category.
Popularity by domain category
Determined by the number of sites in each category.
Business
Education/Reference
Marketing/Merchandising
Real Estate
Online Shopping
Entertainment
Software/Hardware
Fashion/Beauty
Blogs/Wiki
Internet Services
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 4,001,723 websites. However, data for Sōzu is still being collected and reflects a smaller subset of sites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.