A newer version of the Gradio SDK is available: 6.20.0
title: LeadsBlue Email Deliverability Scorer
emoji: ✅
colorFrom: green
colorTo: green
sdk: gradio
sdk_version: 5.9.1
app_file: app.py
pinned: false
license: cc-by-4.0
tags:
- B2B
- sales
- cold-email
- lead-generation
- data-tools
LeadsBlue Email Deliverability Scorer
Honest, factor-based estimate of B2B email list deliverability (0-100) from verification, data age, jurisdiction, and industry.
Data source: LeadsBlue B2B Cold Email Benchmark Dataset · DOI 10.5281/zenodo.20136256
Publisher: LeadsBlue Research / LeadsBlue Analytics LTD — leadsblue.com Author: Luther Johnson (ORCID 0009-0008-9836-1280) License: CC BY 4.0
How it works
The score starts at 50 and adjusts for email verification, data age, the destination country's regulatory friction, and the industry's typical receptiveness (from benchmark open rates). It is an estimate, not a guarantee.
Cite
LeadsBlue Research. (2026). B2B Cold Email Benchmark Report 2026 [Data set]. Zenodo. https://doi.org/10.5281/zenodo.20136256
Related: Research hub · B2B Data Index