# TestMySubject

## Description
TestMySubject is a free email subject line testing tool. It analyzes and scores email subject lines using AI, providing a score out of 100, written feedback, and three improved alternatives.

## What the tool does
Users paste an email subject line into the analyzer and receive an instant evaluation based on four factors: clarity, curiosity, urgency, and relevance. The tool generates three rewritten subject lines with explanations for each suggestion. It is designed for email marketers, newsletter creators, sales professionals, and anyone who sends emails.

## Pages
- [Homepage](/): Free AI email subject line analyzer with instant scoring and rewrites.
- [About](/about): The team and story behind TestMySubject.
- [Blog](/blog): Email marketing strategies, subject line frameworks, and deliverability guides.
- [Resources](/resources): Curated playbooks, swipe files, and tools for email marketers.
- [Recommended Tools](/recommended-tools): Reviews of the best email marketing platforms and verification services.
- [Cold Email Subject Line Tester](/subject-line-tester-for-cold-email): Score cold outreach subject lines for spam triggers and reply rate.
- [Newsletter Subject Line Tester](/subject-line-tester-for-newsletters): Score newsletter subject lines for Substack, Beehiiv, and ConvertKit.
- [Shopify Subject Line Tester](/subject-line-tester-for-shopify): Score ecommerce subject lines for opens and revenue.
- [SaaS Subject Line Tester](/subject-line-tester-for-saas): Score onboarding, retention, and feature launch emails.
- [B2B Sales Subject Line Tester](/subject-line-tester-for-b2b-sales): Score outbound and account based sales subject lines.
- [Event Subject Line Tester](/subject-line-tester-for-events): Score webinar and event invite subject lines.
- [Contact](/contact): Contact the TestMySubject team.
- [Privacy Policy](/privacy): How user data is collected and used.
- [Terms of Service](/terms): Legal terms for using TestMySubject.

## Technology
Built as a web application using React and Supabase. Analysis is powered by AI through a serverless edge function.

## Contact
Created by SendFocus. Visit https://sendfocus.com for more information.