Tranco Extra Quality -

| Feature | Tranco | Alexa (retired) | SimilarWeb | |--------|--------|----------------|-------------| | Open data | ✅ Yes | ❌ No | ❌ No | | Reproducible methodology | ✅ Yes | ❌ No | ❌ No | | Free for research | ✅ Yes | ❌ No | ❌ No | | Historical snapshots | ✅ Yes | ❌ No | ❌ No | | Versioned lists | ✅ Yes | ❌ No | ❌ No |

AkaRank: Improving Popularity Rankings for Better Threat ... - Akamai tranco

Use Tranco for reproducible, longitudinal, and transparent website rankings in academic work. | Feature | Tranco | Alexa (retired) |