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Completion percentage:

**78%**Completion percentage:

**78%**Completion percentage:

**44%**Completion percentage:

**44%**Completion percentage:

**58%**Completion percentage:

**58%**Completion percentage:

**82%**Completion percentage:

**82%**Completion percentage:

**18%**Completion percentage:

**18%**Completion percentage:

**67%**Completion percentage:

**67%**Completion percentage:

**82%**Completion percentage:

**82%**Completion percentage:

**16%**Completion percentage:

**16%**Completion percentage:

**42%**Completion percentage:

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**38%**Completion percentage:

**38%**Completion percentage:

**86%**Completion percentage:

**86%**Completion percentage:

**81%**Completion percentage:

**81%**Completion percentage:

**35%**Completion percentage:

**35%**Completion percentage:

**64%**Completion percentage:

**64%**Completion percentage:

**37%**Completion percentage:

**37%**Completion percentage:

**75%**Completion percentage:

**75%**Completion percentage:

**72%**Completion percentage:

**72%**Completion percentage:

**71%**Completion percentage:

**71%**Completion percentage:

**72%**Completion percentage:

**72%**Completion percentage:

**77%**Completion percentage:

**77%**Completion percentage:

**79%**Completion percentage:

**79%**## Pre-/Post-processori CSS

Utilità che incrementano CSS.

SatisfactionS

InterestI

UsageU

AwarenessA

Satisfaction, interest, usage, and awareness ratio rankings.

Technologies with less than 10% awareness not included. Each ratio is defined as follows:

- Satisfaction:
**would use again**/ (**would use again**+**would not use again**) - Interest:
**want to learn**/ (**want to learn**+**not interested**) - Usage: (
**would use again**+**would not use again**) /**total** - Awareness: (
**total**-**never heard**) /**total**

### Experience Over Time

Export

Percents%

CountΣ

Overview of opinions on the technologies surveyed over time.

Non lo userei più | |

Non interessato | |

Lo userei ancora | |

Interessato | |

Mai sentito |

Technologies with only one year of data are not included.

### Positive/Negative Split

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This chart splits positive (“want to learn”, “would use again”) vs negative (“not interested”, “would not use again”) experiences on both sides of a central axis.

Bar thickness represents the number of respondents aware of a technology.

### SassCompletion percentage: **82.1%** (9440)Completion percentage: **82.1%** (9440)

Completion percentage:

**82.1%**(9440)Completion percentage:

**82.1%**(9440)Export

Percents%

CountΣ

#### 2019

#### 2020

Non lo userei più | |

Non interessato | |

Lo userei ancora | |

Interessato | |

Mai sentito |

### LessCompletion percentage: **82.3%** (9454)Completion percentage: **82.3%** (9454)

Completion percentage:

**82.3%**(9454)Completion percentage:

**82.3%**(9454)Export

Percents%

CountΣ

#### 2019

#### 2020

Non lo userei più | |

Non interessato | |

Lo userei ancora | |

Interessato | |

Mai sentito |

### PostCSSCompletion percentage: **82.3%** (9454)Completion percentage: **82.3%** (9454)

Completion percentage:

**82.3%**(9454)Completion percentage:

**82.3%**(9454)Export

Percents%

CountΣ

#### 2019

#### 2020

Non lo userei più | |

Non interessato | |

Lo userei ancora | |

Interessato | |

Mai sentito |

### StylusCompletion percentage: **82.2%** (9442)Completion percentage: **82.2%** (9442)

Completion percentage:

**82.2%**(9442)Completion percentage:

**82.2%**(9442)Export

Percents%

CountΣ

#### 2019

#### 2020

Non lo userei più | |

Non interessato | |

Lo userei ancora | |

Interessato | |

Mai sentito |

### Other ToolsCompletion percentage: **3.4%** (394)Completion percentage: **3.4%** (394)

Completion percentage:

**3.4%**(394)Completion percentage:

**3.4%**(394)Export

Percents%

CountΣ

Other tools in this category (freeform answers).

### Overall Happiness

Export

Percents%

CountΣ

On a scale of one (very unhappy) to five (very happy), how happy are developers with the current overall state of this category?

### Recommended Resources

#### Sass Fundamentals

Leverage the Sass preprocessing to empower your CSS practices and master styling complex applications.

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