What are the reported open and conversion rates for Memo Blast campaigns?

Checked on December 17, 2025
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Executive summary

Memo Blast-style campaigns—mass “batch-and-blast” email sends—tend to show open rates in the low‑to‑mid tens of percent and conversion rates that are very small (fractions of a percent); reported industry benchmarks cluster around ~20–25% opens and single‑digit click and conversion percentages, with conversion typically under 1% and often in the 0.04–0.7% range [1] [2] [3].

1. Typical open‑rate benchmarks for mass blasts

Across major email benchmark reports, a healthy open rate for a standard blast sits around roughly 20–25%: ActiveCampaign notes 20% as a “good” benchmark and 20–25% for engaged lists [1], Mailchimp’s aggregated data puts overall open rates near 21.8% [2], while some industry‑specific tops can reach ~40% (government emails in Mailchimp’s breakouts) [4]. Observers caution that technical shifts (notably Apple Mail privacy changes) have inflated reported opens and made opens a less reliable single signal of success [5] [6].

2. Click and conversion rates: small percentages, big business impact

Click‑through and conversion rates for blast emails are typically much lower than opens: Mailchimp and other platform aggregates show CTRs around the low single digits (Mailchimp CTR examples ~2.78%) and industry reports emphasize clicks and conversions as the more actionable metrics [2] [4]. Conversion benchmarks used in case studies vary by definition, but MarketingSherpa’s batch‑and‑blast examples record conversions as low as 0.04–0.23% in routine blasts, with a tested segmented campaign reaching 0.71% purchase conversions—illustrating typical conversion outcomes for mass sends are well below 1% unless highly targeted [3].

3. Why reported ranges are wide — measurement and audience matter

Benchmarks diverge because vendors use different definitions (conversion = purchase, sign‑up, or action within X days), list quality differs, and privacy changes distort opens; Salesforce and other analysts therefore urge pairing opens with CTR and CTOR and treating benchmarks as directional, not absolute [6] [7]. Platform reports also show large industry and campaign‑type variance (newsletters vs. triggered emails vs. transactional), so a single “Memo Blast” across disparate audiences will naturally produce a broad range of outcomes [8] [1].

4. What to expect specifically for a Memo Blast campaign

If “Memo Blast” refers to a one‑to‑many batch email sent to an unsegmented or lightly segmented list, the realistic expectations based on the cited industry data are: open rates roughly 20–25% for an engaged list (with higher or lower extremes by industry) and click rates around 2–3%, translating to conversion outcomes usually well under 1% (often in the 0.04–0.3% typical range, with up to ~0.7% achievable when the list and creative are tightly targeted) [1] [2] [3]. Reports also show mobile opens and personalization can lift conversions, and multi‑channel nudges (e.g., SMS) can materially raise conversion probability [9] [10].

5. Bottom line, limitations, and practical advice

Benchmarks paint a consistent picture: opens for broad blasts are in the tens of percent while conversion rates are fractional percent; opens alone are an unreliable success metric post‑privacy changes, so CTR, CTOR and defined conversion windows should be tracked and compared to industry/own historical baselines [5] [6] [2]. The available sources do not mention a product or dataset labeled specifically “Memo Blast,” so these figures are inferred from batch‑and‑blast and platform benchmark reports rather than a proprietary “Memo Blast” dataset; absent a direct Memo Blast study, treating these industry ranges as starting expectations is the most defensible approach [2] [3].

Want to dive deeper?
What conversion lift do segmented vs. batch‑and‑blast email campaigns typically achieve?
How have Apple Mail privacy changes affected open‑rate accuracy and what metrics should replace opens?
What are best practices to increase conversion from an email blast (subject lines, timing, personalization, and multi‑channel follow‑up)?