Why Legacy Cold Outreach Tools Fail β And How We Solved It
A direct architectural teardown of cloud-relayed SMTP risks versus client-native browser dispatch.
Cloud IP Blacklisting & Dirty SMTP Relays
Guessing which subject line or value proposition works best wastes thousands of qualified prospects on unproven, low-converting email copy.
Direct In-Tab Dispatch with Authentic Human Cadence
Email Campaign Sender rotates your contact list alternating between Variant A and Variant B automatically, providing real-time conversion comparisons.
How A/B Split Testing Operates Inside Your Webmail
Engineered for complete automation while strictly preserving human behavior heuristics.
Draft Two Pitch Angles
Write Subject A & Body A (e.g. Case Study focus) and Subject B & Body B (e.g. ROI / Savings focus).
Automated Staggered Dispatch
Odd-numbered leads receive Variant A; even-numbered leads receive Variant B.
Side-by-Side Analytics
Monitor open rates, click-through rates, and reply percentages in an intuitive comparative chart.
Deploy the Champion
Promote the winning variant to 100% of future leads with a single click.
Deliveroza vs. Legacy Cold Email Platforms
Integrated right inside the extension with zero extra fees or complex setup.
Restricted to expensive Enterprise tiers on legacy SaaS platforms costing $150+/month.
Technical Deep-Dive & Architecture Details
Strict client-side Manifest V3 sandbox standards and network hygiene.
Frequently Asked Questions About A/B Split Testing
Everything you need to know regarding compliance, throughput, and safety limits.