🆚 Less vs. YAML
Compare technologies based on real-world usage data *- 📈 YAML is five times more popular than Less.
- 🌎 YAML is more popular in the United States, the United Kingdom, and Germany.
- 🌍 Less is more popular in Russia, the Czech Republic, and Ukraine.
Type
About
Less ("Leaner Style Sheets") is a backward-compatible CSS language extension inspired by Sass that supports variables, mixins, operations, and functions.
YAML is a data serialization language designed to be human friendly and work well with modern programming languages for common everyday tasks.
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
- 🔥 14th most popular in the Czech Republic in the Standards category.
- 🔥 14th most popular in Slovakia in the Standards category.
- 🔥 15th most popular in Iceland in the Standards category.
- 🔥 16th most popular in Belarus in the Standards category.
- 🔥 17th most popular in Russia in the Standards category.
- 🔥 13rd most popular in the United Kingdom in the Standards category.
- 🔥 13rd most popular in India in the Standards category.
- 🔥 13rd most popular in Australia in the Standards category.
- 🔥 13rd most popular in Indonesia in the Standards category.
- 🔥 13rd most popular in Pakistan in the Standards 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.
See also
* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Sass