🆚 Caddy vs. H2O
- 📈 Caddy is much more popular than H2O.
- 🌍 Caddy is more popular in all countries.
- ⭐ H2O is particularly popular in New Zealand.
CaddyType
About
Caddy is an open-source multi-platform web server written in 
Go with built-in support for automatic HTTPS and modern web protocols.
It supports automatic TLS management with providers such as Let's Encrypt and ZeroSSL, includes a built-in reverse proxy with load balancing, offers configuration through the human-readable Caddyfile or a 
JSON-based REST API, and features a modular architecture that can be extended with plugins.
H2O is an optimized, open-source HTTP server that supports HTTP/1.x, HTTP/2, and HTTP/3.
Headquarters
Pricing
Categories
Popularity
Determined by the number of sites using each technology.
Market share
Popularity by country
Determined by the number of sites detected from each country.
Awards
- ⭐ 5th most popular in Germany in the Web Servers category.
- ⭐ 5th most popular in Belgium in the Web Servers category.
- ⭐ 5th most popular in Austria in the Web Servers category.
- ⭐ 5th most popular in Romania in the Web Servers category.
- ⭐ 5th most popular in Finland in the Web Servers category.
- ⭐ 10th most popular in New Zealand in the Web Servers category.
Popularity by domain category
Determined by the number of sites in each category.
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Nginx
Apache
OpenResty
Tomcat
Tengine
LiteSpeed Web Server🗃️ 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 3,406,701 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.