Generated from ZeroBounce Email Verification's audit data
ZeroBounce Email Verification scores 41/100 across 6 category checks, which indicates listing-quality gaps across 2 of 6 audited categories. Strengths: title optimization (88/100) is the strongest category — installing for evaluation is fine, long-term confidence needs the gaps below addressed. Watch-items: languages (0/100) and description & content (10/100) drag the average down; lifting languages is the single largest available lever. Per-category breakdown below.
This is an independent listing audit for ZeroBounce Email Verification on HubSpot. It scored 41/100 (grade D) on today's snapshot. Top strength: Title Optimization at 88/100. Biggest gap: Languages at 0/100. We re-audit every 24 hours from the canonical HubSpot listing.
Six weighted areas, pass / warning / fail per check, tiers at 85 / 65. Full methodology · Glossary
Last updated: September 9, 2026
ZeroBounce Email Verification's overall score of 41/100 is a result that signals significant listing weaknesses across multiple categories, computed as the weighted average of 6 category checks. The spread is highly polarized across categories — 4 categories score above the headline number and 2 score below. The strongest category is Title Optimization (88/100, +47 vs overall); the weakest is Languages (0/100), a 41-point gap below the headline score — the largest single lever. Top three by score: Title Optimization (88), Visual Assets (50), Categories & Discoverability (50).
Scoring criteria, category weightings, and the full rubric (identical across every HubSpot App Marketplace listing AppRanks audits) are documented on the methodology page and the audit-score glossary entry. Disputes or data corrections: [email protected].
ZeroBounce Email Verification scored 41/100 in the AppRanks listing audit — a result that signals significant listing weaknesses. The score is the weighted average of 6 category checks: Title Optimization 88/100, Description & Content 10/100, Visual Assets 50/100, Categories & Discoverability 50/100, Technical & Support 50/100, Languages 0/100. Each category is scored against a fixed rubric that is identical for every app on the platform, so scores are directly comparable across Hubspot listings.
ZeroBounce Email Verification's strongest audit area is Title Optimization, scored at 88/100. Of the 4 checks AppRanks runs in this category, 3 pass cleanly, with the remainder in warning rather than failing state. This is the dimension a competing listing would need to match before ZeroBounce Email Verification loses its current edge in this category.
The weakest area in ZeroBounce Email Verification's audit is Languages, scored at 0/100. The failing checks are language count, each with a concrete fix described below. Tightening this category is the highest-impact change available to the listing — its weight in the overall score makes it the lever most likely to move the headline number on the next refresh.